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ha075n troubleshooting manual upto sn 0904002963

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2. 37 24 OM Control No Display After Selecting One of the ON SELECT Key Sirus tae pec ROI ei 39 25 Electric OM Control No Heat With Cycle Selected Unit Running and Calling For Heat tes enge e 40 Copyright 2008 Alliance Laundry Systems LLC All rights reserved No part of the contents of this book may be reproduced or transmitted in any form or by any means without the expressed written consent of the publisher 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 1 26 Gas OM Control No Heat With Cycle Selected Unit Running and Calling For Heat ett 42 27 OM Control No Fan Motor Rotation With Cycle Selected and start Pressed sii fiancee ee Eee EP ea a 44 28 OM Reversing Control No Cylinder Rotation or Reversing Capabilities dnte E parse 46 29 CD Control No Start With Vend Satisfied and Start Button Pressed ten nin ent eed dde 48 30 CD Control No Heat With Vend Satisfied and Unit Running 50 31 CD Control No Start With Vend Satisfied and Start Button eene 52 Section 4 Adjustments 1 eee eren eee eene tete seen 54 32 Main Gas Burner Air Inlet Shutters Gas Models 54 33 Airflow Switch Gas and Electric Models 55 34 Loading Door Strike essere 57 35 Drive Belt
3. the fuse Yes Replace transformer No Replace the primary fuse Correct wiring from terminal power and the power is on block to transformer Verify that unit is connected to Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 22485 70398301 NetMaster Troubleshooting Door Open Indicator TBI hd 4 TB1 L1 SERVICE CONNECTION 1 Ej a TBI N 5 i 5 PRIMARY MOTOR FUSE THERMISTOR WHT BLU RED T 8 STER CONTROL ji E CONFIGURATION INPUT JUMPER H2 2 0 5 AS FOLLOWS CONTROL M bc WIRE JUMPER POWER 5 t 12fVac 6 8K ohm 5 watt SUPPLY g DOOR SENSING CIRCUIT ALLOWS H ICONTROL TO TURN ON MOTOR RELAY ONLY WHEN DOOR IS CLOSED amp SWITCH 1 PRESSED SECONDARY MDL 35A T3 fax MOTOR RELAY BRN WHT WY AVAILABLE OUTPUT START PULSE INPUT H7 3 amp H7 4 H7 1 amp H7 2 OFF WHEN lins 9 30ma MACHINE RUNNING TIME 45msec MINIMUM max Imaxs EU H amp COIN DROPS NETWORK AND CARDREADER SCI HS p H6 sase7vorwe SEE VEND APPLICATION DETAIL NOTE FOR NETWORK APPLICATIONS SEE SUPLE
4. E e e 4 LINT rs PANEL SWITCH SWITCH Fs 2 gs START PULSE INPUT 9 e nt 9 9 4 RED BLK H3 1 amp H3 2 COM ND RT lin 3 30mo HEAT RELAY TIME 20msec MIN E t VAILABLE DUTPU 4 H3 3 amp H3 4 2 5 WHEN g 2 MACHINE RUNNING 2 max e8Vdc amp Inax 5mo COIN DROPS 9 HS H6 RESSSSEZZERE 4 SEE VEND APPLICATION DETAIL IGNITOR BRN VH WHT NC z 3 5 orc m WHT TH WHT BRN sane en oN VLT WHT M e AD GNDe FAN MOTOR CABINET AIR FLOW STOVE 3 CENTRIFUGAL LIMIT SWITCH LIMIT ICM GAS VALVE SVITCH THERMDSTAT THERMOSTAT FIRST COIL END VALV SECOND COIL GRN YEL d I 4 1 P 20725 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 63 Micro Display Control MDC Troubleshooting 39 Door Open Indicator 64 Gas steam and electric heat Single and three phase power supply 1 YES Is there voltage at H2 1 on the Electronic control Replace Control NO NO Is there power supplied Plug unit in and to the unit start cycle YES 2 NO Correct wiring Is there 120 VAC at input between primary of primary fuses fuses and power s
5. Correct wiring to fan motor switch Replace fan motor Correct wiring between cabinet limit CR1 Replace cabinet limit Correct wiring between airflow switch and cabinet limit Continued on next page 18965 70398301 Troubleshooting 26 Gas OM Control No Heat With Cycle Selected Unit Running and Calling For Heat continued Continued from previous page Is there voltage to the input of the stove limit Correct wiring between stove limit and airflow switch 15 there Check for proper gas valve voltage to the airflow Replace output of the stove limit if stove limit necessary 70398301 Does the igniter terminal 1 of the ignition control Is there voltage across the Is there a Check for proper gap on igniter and check for proper resistance of spark ignition cable Is there Check for proper Replace if voltage to the operation and necessary N O terminal airflow Replace of the airflow airflow switch if switch necessary Is there voltage at Replace ignition control Correct wiring to gas valve Check for gas flow and proper gas pressure Copyright Alliance Laundry Systems LLC DO NOT COPY
6. Is there voltage at terminal 5 of the fan motor Is the thermistor operational Yes Is there Correct wiring Replace or voltage to terminal 3 between motor rebuild the of the motor terminal 3 and steam valve contactor motor contactor Check motor for proper operation Replace if necessary Is there 24 VAC across the coil of the 122 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Correct wiring between steam valve coil and steam valve motor Replace Replace thermistor control Does th Is there C steam Replace Ine No orrect wiring steam valve icd ai between H2 5 and coil have coil motor contactor continuity contactor Is there Is the steam Connect the voltage at WHT BRN Replace motor supply f steam supply wire on motor contactor functional contactor TMB2256S 70398301 On Premise Micro Control OM Troubleshooting Unit Will Not Heat Steam TBI BLK ow ma rri Pe 24 EXT Zz 5 a 5 MOTOR AGC 2 1 0 TRANSFORMER 155 4 1 4 THERMISTOR RED BLU 8 WHT o0 amp 1 10 1 7 cassis GROUND 5 H4 o SECUN 84VAC EXT RET MDL 3 5A i H gt 3
7. Is there voltage between across the transformer primary of the and supply transformer voltage Check fuses Is there voltage across terminals 2 Replace amp 3 of the transformer transformer secondary Is there voltage to the COM of the door switch Correct wiring to door switch Check fuses terminal of the door switch Correct wiring and check fuses Is there voltage into lint panel Switch Is there voltage out of lint panel Switch Is there voltage to H2 8 terminal of micro control Continue to next step for forward rotation or next page for reverse rotation Forward Rotation Is there voltage to H2 3 of icro control No Correct wiring between door switch and lint panel switch If actuated replace inoperative switch If not actuated adjust switch as needed Correct wiring between micro control and door switch No Make sure unit is in the forward portion of rotation Replace micro control Continued on next page 46 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 18985 70398301 Troubleshooting 28 OM Reversing Control No Cylinder Rotation or Reversing Capabilities continued Continued from previous page s there voltage across the coil of the forward relay
8. QUTPUT FULSE INPUT Rt 9 9 RED mi A OFF an n L 4 MACHINE RUNNING TIME 45msec MINIMUM HEAT RELAY jeans Sno H do AMA cow sors terion sammie GIA 4 watt IIIIT UuIIIII E SEE VEND APPLICATION DETAIL NOTE FOR NETWORK APPLICATIONS SEE SUPLEMENTAL NETWORK DIAGRAM 5 evr MIL e oir 1 UMIT m THERMOSTAT ea 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 95 NetMaster Troubleshooting 53 CE Models No Display 1 Is there voltage across H1 1 and H1 3 on the control Replace the control Correct wiring between fuse F4 and control Is there voltage coming out of fuse F4 2 No Is fuse F4 good Replace fuse Yes 3 Correct wiring Is there voltage across Yes between terminals 1 and 4 of t f the transformer ransiormer and fuse No 4 Check transformer 15 for operation o the trans ormer Replace if primary necessary No TMB1807S 96 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 5 Yes Correct wiring between fuse F1 and transformer Is there line voltage on the output side of F1 Is there line voltage on Yes the input side of F1 Replace fuse F1 Verify that unit is plugged in Correct wiring between supply te
9. 18955 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 41 Troubleshooting 26 Gas OM Control No Heat With Cycle Selected Unit Running and Calling For Heat 120 Volt 60 Hertz 1 Phase and 208 240 Volt 60 Hertz 1 Phase Nonreversing 460 480 Volt 60 Hertz 3 Phase and 208 240 Volt 60 Hertz 3 Phase Reversing and Nonreversing Gas OM Models No heat with cycle selected unit running and calling for heat Is there voltage at H2 13 Yes Is there voltage at H2 6 of the micro control Yes Is there voltage at H2 5 of the micro control Yes Is there voltage to input of the motor relay Yes Is there voltage to the output of the motor relay Yes No Replace micro control Correct wiring No between H2 6 and H2 13 on the micro control Check for proper No thermistor operation Replace micro control if necessary Correct wiring between motor relay and micro control No No Replace motor relay 42 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Is there voltage to the input of fan otor switch Is there voltage out from the fan otor switch Is there voltage to the input of the cabinet limit Is there voltage to the output of the cabinet limit Is there voltage to COM terminal of the airflow switch
10. Replace airflow switch Note Please make the appropriate adjustments if your unit is single phase Check elements for shorts or opens Check wires between contactors and elements Do all elements produce heat Unit is operational 22615 Please see following page for wiring diagram information 150 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting Unit Will Not Heat Electric QT and RQ Control Suffixes TBI G m u SERVICE CONNECTION N TBI N x a 3 E 5 FAN FUSE AGC 2 120v 00000000000 7 UM TRANSFORMER THERMISTOR E a 4 2 3 MANUA CO TRO 323456 10 9 B 7 6 5 4 5 2 1 TEMP REGULATING ANUAL N L B CIRCUIT_CONTROLS H2 EAT RELAY k 4 3 CONTROL wir POWER ES RED SUPPLY 4 P We MT 7 pez FAN MOTOR RELAY wt Az Duca m De FORWARD MOTOR RELAY 1k 4 2 N Ge 5 REVERSE MOTOR RELAY hn 3 1 3 4 O WHT DAMPER MOTOR
11. Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 20755 70398301 Hybrid Timer Control Troubleshooting 70 In Use LED Lit No Motor Run SD and SX Control Suffixes In Use LED Lit No Motor Run Coin Models there continuity through the start switch circuit Correct or replace the start switch or start switch wiring there voltage at H3 6 on the control Replace the control there voltage at A1 on the motor relay Correct wiring between the control and the motor relay A1 there voltage across A1 and A2 on the motor relay Correct wiring between the control and the motor relay A2 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT there voltage at the input side of the motor relay there voltage at the output side of the motor relay there voltage across the lines of the motor Correct wiring between the motor relay and terminal block Replace the motor relay Correct wiring between the motor and motor relay Replace the motor 20235 137 138 Hybrid Timer Control Troubleshooting In Use LED Lit No Motor Run SD and SX Control Suffixes 6
12. Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 18995 49 Troubleshooting 30 CD Control No Heat With Vend Satisfied and Unit Running NOTE voltage checks are referenced to neutral unless stated otherwise CD Models No heat with vend satisfied and unit running 15 there voltage to the output of the motor switch Is there voltage to the input of the cabinet limit 15 there voltage to the output of the cabinet limit Is there voltage to the COM terminal of the airflow switch Is there voltage to the N O terminal of the airflow switch Replace motor Correct wiring between cabinet limit and motor switch Check for proper operation replace if necessary Correct wiring between airflow switch and cabinet limit Check for proper airflow and function of the airflow switch Replace airflow switch if necessary Is there voltage to the input of the stove limit Correct wiring between stove limit and airflow switch Is there voltage to the output of the stove limit Check for blockage and proper airflow Replace stove limit if necessary Is there Correct wiring voltage to the between COM terminal switch B and of switch B stove limit Is there voltage Check for proper to the N C opera
13. Is there 24 volts across terminals H2 1 and H2 6 on the control there 24 volts to the normally open contact on the lint panel switch Is there 24 volts to the common terminal of the lint panel switch there 24 volts at the normally open terminal of the door witch with the doo closed Is there 24 volts to the common terminal of the door switch Yes Yes Note voltages are to be measured to transformer common unless otherwise stated Replace control Correct the wiring between the N O terminal on the lint panel switch to terminal H2 1 on the control Replace the lint panel switch Correct the wiring between the door switch and the lint panel switch Check door switch for proper operation Replace if necessary 84 there 24 volts the secondary fuse there 24 volts to the input side 15 there 24 volts across terminals 2 and 3 of the transformer secondary Is line voltage present across transformer Is the primary fuse good to the output side of terminals 1 and 2 on he primary side of the Correct the wiring between the fuse and the common terminal of the door switch Yes Check fuse Replace if necessary Yes Correct wiring between the transformer and Yes
14. Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 70398301 Section 7 Premise Micro Control OM Hace imm 110 59 Control Has No 1 E EE 111 60 Door Open Indicator 113 61 Motor Will Not Start Run 116 62 Unit Will Not Heat 119 63 Unit Will Not Heat 122 64 Unit Will Not Heat Electric 2 124 65 Error Codes nee eee 127 Section 8 Hybrid Timer Control Troubleshooting 128 66 Coins Ignored When Entered eee 128 67 Control Has No Display and RQ Control Suffixes 129 68 Display Flashes With Door Closed QT and RQ Control SORES 131 69 Vend Satisfied No In Use LED SD and SX Control Suffixes ance eii ence etae 134 70 In Use LED Lit No Motor Run SD and SX Control Suffixes sorosiane 137 71 Motor Will Not Start Run SD and SX Control Suffixes 139 72 Motor Will Not Start Run QT and RQ Control Suffixes 141 73 Unit Will Not Heat Gas SD and SX Control Suffixes 143 74 Unit Will Not Heat Gas QT RQ Control Suffixes 146 75 Unit Will Not Heat Electric QT and RQ Control Suffixes 149 70 Ertor Codes ere rr 152 Copyright Allianc
15. 18995 70398301 Troubleshooting 29 CD Control No Start With Vend Satisfied and Start Button Pressed In continued Continued from previous page Is there voltage to output of push to start switch Is there voltage to the input side of the auxiliary contacts on the motor contactor Is there voltage across the coil of the motor Replace Switch Correct wiring between motor contactor and lint panel switch Correct wiring between motor contactor and Push To Start control button contactor Yes Check for proper If the start button is released does N the motor contactor stay in the made position yo operation of motor contactor and fan motor centrifugal switch replace if necessary Yes 70398301 Is there voltage to motor contactor Is there voltage out of the motor contactor Is there voltage to the motor Is the internal wiring of the motor correct for the supply voltage Thermal overload cycled allow motor to cool and recheck Correct wiring between motor contactor and supply Check for proper operation Replace motor contactor if necessary Correct wiring NO between motor contactor and motor Change the wiring accordingly Replace motor Unit operational
16. Is there power at NO of lint panel Switch Is there voltage to the input side of the start Switch Check door switch for proper operation replace if necessary Correct wiring between door switch and lint panel switch Adjust switch as needed Correct wiring between start switch and lint panel switch Continued on next page 52 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 19015 70398301 Troubleshooting 31 CD Control No Start With Vend Satisfied and Start Button Pushed continued Continued from previous page With the start button pressed in is there voltage to the output side of the tart button Is there voltage to terminal 1 of the control relay Is there voltage to coil of the motor relay Is there live power to motor relay input Replace start switch Correct wiring to terminal 1 of the control relay Check for proper operation Replace relay if necessary Correct wiring between input terminal block and relay 70398301 Is there live power out of motor relay Is there voltage to terminal 1 of the motor Does the motor run No Replace contactor Correct wiring bet
17. Yes No Correct wiring Continued on next between cabinet page limit and terminal 5 of fan motor Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT No No No No No Check cabinet limit for proper operation Replace if necessary Correct wiring between airflow Switch and cabinet limit Check for proper operation of airflow Switch Replace if necessary Correct wiring between stove limit and normally open terminal of the airflow switch Check operation of stove limit Replace if necessary 70398301 NetMaster Troubleshooting 50 Unit Will Not Heat Gas continued Is there a flame Unit operational Is there voltage to Correct wiring terminal 2 of the between terminal 2 Ignition Control Module of ICM and stove ICM limit Note Make sure unit is not in a lockout di condition Is there voltage at No terminal 1 of ICM Replace ICM board board Is there voltage across Correct wiring the coils of the gas between gas valve valve and ICM board Replace gas valve coils or complete gas valve Is there gas flow through the gas valve Replace high voltage ignition cable or igniter Does the igniter spark 18015 Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 89 NetMaster Troubleshootin
18. Gas SD and SX Control Suffixes y mi i i CONNECTION 1 TB 1 e I n E 1 7 5 5 FAN Eo vorn FUSE 2 00000000000 S EE TRANSFORMER PLS 1 24 E 2 3 THERMISTOR P COIN CONTROL Us M 3875 3271 GRN YEL _ VOLTAGE CONFIGURATION UT CONTROL CREUT CONTROLS 1 JUMPER 3 1 TO H3 AS FOLLOWS POWER 2 HEAT RELAY T 24Vac WIRE JUJ R SUPPLY 5 5 H3 JOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR Door Sense Rej H3 2 RELAY ONLY WHEN DOOR 15 CLOSED amp SWITCH IS PRESSED Ys 2 pad ie 4 H FAN MOTOR RELAY 2 6 8 SECONDARY IT D A T 3 5 HEAT RELAY FAN MOTOR CENTRIFUGA SWITCH Ed 5 i 8 SWITCH AVAILABLE OUT T t zi H5 1 amp HS KH is RED WHT 14 S RED WHT is AIR FLOW cor Ne LED INDICATOR MACHINE P SWITCH VEND TME DP SWICHES LINT SEE INSTALLATION MANUAL Imax 5mi DRAWER SWITCH Hs Nd RED BLK W 6 RED BLK 12 12345 Z i n i 4 1 2 0 CON DROP 1 TEMPERATURE LOW ore SELECTOR SWITCH AS
19. lt 9 D lt i C 7 191 ceres 2M NULL23NND3 391 435 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 77 70398301 Micro Display Control MDC Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the dryer s before servicing Close gas shut off valve to gas dryer s before servicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded WO001R1 44 Error Codes OP Indicates physical open in the thermistor circuit Possible causes are 1 thermistor 2 wiring between con trol and thermistor 3 control SH Indicates a short in the thermistor circuit Possible causes 1 shorted thermistor 2 a short in the wiring between control and thermistor 3 control Card Reader Machines In addition to the above errors 19 Indicates no card reader communication The control and the reader cannot communicate Check reader control and harness NOTE For all other card reader errors consult the card reader manual provided by the manufacturer Indicates an open circuit in the thermistor Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiri
20. s there voltage to terminals L1 L2 and L3 of the forward relay s there voltage to terminals T1 T2 and T3 of the forward relay s there voltage across L1 L2 and L3 of the motor Yes Correct the wiring to the relay Correct wiring between relay and supply voltage Replace forward relay No Correct wiring between motor and forward relay Is there voltage across the coil of the reverse relay Is there voltage to terminals X Y and Z of the reversing relay No Is there voltage to terminals U V and W of the reversing relay Is there voltage across L1 L2 and L3 of the motor 6 Correct wiring Correct the wiring to the relay Correct wiring between relay and supply voltage Replace reversing relay between motor and reversing relay Replace motor Continue here from Make sure unit Boes th Check drive previous page for is in the components Reverse Rotation Is reverse portion between motor there voltage to H2 4 of rotation Qu and cylinder of micro control Replace micro control Unit operational 18985 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 47 Troubleshooting 29 CD Control No Start With Vend Satisfied and Start Butto
21. 101 esee enne N 57 36 Cylinder Clearance eet tese oto m eh 60 Section 5 Micro Display Control MDC Troubleshooting Eee SEE eR ERE oe ER RS oro Ee Ree 61 37 Coins Ignored When Entered see 61 38 Control Has No Display eene 62 30 Door Open eet teet ne 64 40 Motor Will Not 66 41 Unit Will Not Heat 69 42 Unit Will Not Heat 72 43 Unit Will Not Heat Electric 75 24 1 Errot Codes en ernst 78 Section 6 NetMaster Troubleshooting e ecce ee eee eren ene 79 45 No Infrared Communication 80 46 Coins Ignored When Entered eee 81 47 No Display ge oet te tee ee 82 48 Door Open Indicator cee 84 49 No Start Run 86 50 Unit Will Not Heat Gas eese enne 88 51 Unit Will Not Heat 91 52 Unit Will Not Heat 93 53 CE Models No 96 54 CE Models Door Open 98 55 CE Models No Stari 100 56 CE Models Will Not Heat 102 57 CE Models Will Not Heat 105 58 CE Models Will Not Heat Electric 107
22. Is thermistor inoperative Is cabinet limit or burner limit thermostat inoperative Troubleshooting Remove obstruction or lint build up from exhaust ductwork Refer to Installation Manual for exhaust system requirements Yes Test thermistor by removing harness from thermistor terminals Check resistance across terminals should read approximately 50 000 Ohms at 77 F Resistance should decrease with a temperature increase Replace thermistor if inoperative Yes thermostats Check with Ohm meter and replace if open TMB1883S Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 23 Troubleshooting 12 Burners Not Burning Properly Gas Models Burners not burning properly Gas Models Refer to Are burner air Yes Adjustments shutters incorrectly Section for adjusted proper flame adjustment No Disassemble Is there dirt Yes burners and in burners blow out the dirt No Check serial 15 gas pressure too Yes DIIS OR back of the tumbler high or too low for correct gas pressure No Tumbler is equipped for Yes type of gas specified on Are orifices incorrect serial plate at 0 2 000 feet altitude Refer to Installation Manual No Refer to Is make up air Yes Installation Manual for proper inadequate make up air requir
23. Is heat produced Unit operational TMB22508 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 105 NetMaster Troubleshooting CE Models Will Not Heat Steam 22635 106 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 58 CE Models Will Not Heat Electric Note All voltage checks are referenced to neutral unless otherwise stated 1 Is there voltage to FS 2 on the control Is there voltage on FS 2 of the control Is there voltage to terminal 3 on the motor 4 Is there voltage to terminal 5 on the motor 5 Is there voltage to the input of K2 relay terminal 14 Yes 6 Is there voltage to output side of motor control relay terminal 13 Yes 70398301 Correct wiring between FS 2 and normally open terminal on the airflow switch AFS Check AFS for proper operation Replace if necessary Check thermistor for proper operation Replace if needed Check control Correct wiring between motor terminal 3 and FS 1 on the control Check for proper operation of motor Switch Replace if necessary Correct wiring between motor relay and motor switch Check for proper operation of motor control relay Replace if necessary NetMaster Troubleshooting 7 Is there voltage to the No input side of
24. Unit operational Check for proper operation of contactors replace them if necessary Check elements for shorts or opens Check wires between contactors and elements 22575 Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 125 On Premise Micro Control OM Troubleshooting Unit Will Not Heat Electric OPL MICRO CONTROL 22475 126 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 On Premise Micro Control OM Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the dryer s before servicing Close gas shut off valve to gas dryer s before servicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded WO001R1 65 Error Codes OP Indicates physical open in the thermistor circuit Possible causes are 1 thermistor 2 wiring between con trol and thermistor 3 control SH Indicates a short in the thermistor circuit Possible causes 1 shorted thermistor 2 a short in the wiring between control and thermistor 3
25. 10 Clothes Do Not Dry Clothes do not dry Is heat Does heat Refer to source shut Refer to inoperative Paragraph 5 off Paragraph 7 prematurely Is there too Is drying much water in Remove timer Yes selector for articles being excess water improperly higher setting dried Set Refer to Is clothes Yes Remove part of Is voltage Installation load too Manual for load incorrect large electrical requirements is Refer to Refer to svetem Yes Installation Is make up Installation imn is eri Manual for air Manual for E dius exhaust inadequate make up air 3 requirements requirements 18825 22 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 11 Tumbler Overheating Tumbler overheating Gas Models Are main burner orifices incorrect Gas Models 15 gas pressure too high 15 make up air inadequate Is there lint accumulation Replace orifices Refer to the Installation Manual for burner orifice requirements Gas pressure must be as specified on serial plate Refer to Installation Manual for make up air requirements Remove lint 70398301 Is exhaust system restricted or inadequate
26. 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 39 Troubleshooting 25 Electric OM Control No Heat With Cycle Selected Unit Running and Calling For Heat 460 480 Volt 60 Hertz 3 Phase and 208 240 Volt 60 Hertz 3 Phase Reversing and Nonreversing Electric OM Models No heat with cycle selected unit running and calling for heat Is there voltage at Correct wiring white brown between relay fan motor and motor centrifugal switch switch Is there voltage at H2 13 Replace micro control Correct wiring between H2 6 Is there No Is there voltage at and H2 13 voltage at H2 6 orange brown Replace motor fan motor centrifugal switch Check for proper If there No thermistor voltage at H2 5 operation Replace micro control if necessary Correct wiring between fan Is there voltage motor to cabinet limit centrifugal iri black wire switch and 15 there voltage to Correct wiring cabinet limit between motor terminal 14 of the d thermostat motor relay Te eren micro control Is there voltage out of Replace i imi thermostat 15 there voltage to Replace motor prone terminal 13 the er wire relay motor relay Continued on next page 18955 40 Copyright Alliance
27. Replace MDC control Is the thermistor operational Correct wiring between COM of airflow switch and FS 1 of MDC control Check for proper function of airflow switch and replace if necessary Correct wiring between terminal 7 on motor control relay and N C terminal on airflow Switch Replace motor control relay 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Is there 24 VAC at terminal 3 of fan motor centrifugal switch Is there 24 VAC across terminals 3 amp 5 of fan motor centrifugal switch Is there 24 VAC to the input side of the cabinet limit Is there 24 VAC across cabinet limit Is there 24 VAC to the input side of the stove limit Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 13 of motor control relay Replace fan motor Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch Replace cabinet limit Correct wiring between stove limit and cabinet limit 75 Micro Display Control MDC Troubleshooting 43 Unit Will Not Heat Electric continued 76 12 Is there 24 VAC across AES the stove limit NO 13 Is there 24 VAC across NO the coil s of the heater contactor s YES 14 Is there supply voltage NO to the L1 L2 and L3 terminals of HC1 YES 1
28. 35 Drive Belt Tension Proper tension is when drive belt can be depressed 1 2 inch 12 7 mm by applying light thumb pressure approximately 5 pounds at a point midway between sheave and motor pulley Reversing Belt Drive Models Proper tension is when each cylinder belt can be depressed approximately 3 16 inch 4 77 mm by applying light thumb pressure approximately 5 pounds at a point midway between the sheave and the idler Nonreversing Models Refer to Figure 4 a Remove guard from rear of tumbler b Loosen idler housing capscrews holding idler housing to the housing support c Position housing assembly by turning adjusting bolt until proper belt tension is reached then retighten idler housing capscrews d Replace guard on rear of tumbler Reversing Models Refer to Figure 5 a Remove guard from rear of tumbler b To adjust cylinder belt tension loosen idler housing bolts holding idler housing assembly to the housing support c Position housing assembly by turning adjusting bolt until proper belt tension is reached then retighten idler housing bolts NOTE Adjust cylinder belt tension first then adjust motor to idler belt tension Refer to Figure 5 d Loosen the locking bolt e Loosen the adjusting nut and use the adjusting screw to move the motor up or down f Once proper belt tension is reached retighten the adjusting nut and locking bolt g Replace the guard on rear of tumbler 7039
29. Installation Manual TMB1803S Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 91 NetMaster Troubleshooting Unit Will Not Heat Steam c TBI LI SERVICE CONNECTION d a t TBI N 5 i 5 i i 5 8 5 FAN PRIMARY ue FUSE AGC 2 TRANSFORMER PU WM 4 THERMISTOR SECONDARY FUSE MDL 3 54 92 ee IED WHT DOOR 8 SECUNDARY FUSE 125 T e LINT NETMASTER CONTROL VOLTAGE CONFIGURATION INPUT R He 2 TO FOLLOWS WIRE JUMPEI RED BLK H4 3 CONTROL PDWER SUPPLY 5 TEMP REGULATING CIRCUIT CONTRDLS HEAT RELAY CONTROL TD TURI DOOR SENSING CIRCUIT ALLOWS N ON MOTOR BAVAC 24 Ret 6 CHASSIS GROUND RELAY ONLY WHEN DOOR IS Door Sense Ret CLOSED amp SWITCH IS PRESSED MOTOR RELAY 4 reat BRN WHT PANEL SWITCH SWITCH Loe erno e 2 CDM ND CUM eee HEAT RELAY t y e E 2 lg amp 2 COIN DROPS 1 2 4 AVAILABLE DUTPUT IH7 3 amp H7 JOPTO OFF WHEN MACHINE RUNNING 28 1 Iinz 9 30ma NETWDRK AND CARDREADER SCI START PULSE INPUT H7 1 amp H7 8
30. Is there voltage to the output of the cabinet limit Yes 8 Is there voltage to the common of the airflow switch Yes 9 Is there voltage to the N O terminal of the airflow switch Yes 10 Is there voltage to the input of the stove limit Yes 11 Is there voltage to the output side of the stove limit Yes Continued on next page NetMaster Troubleshooting No Check cabinet limit for proper operation Replace if necessary No Correct wiring between airflow switch and cabinet limit No Check for proper operation of airflow Switch Replace if necessary Correct wiring No between stove limit and normally open terminal of the airflow switch No Check operation of stove limit Replace if necessary Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 93 NetMaster Troubleshooting 52 Unit Will Not Heat Electric continued 12 Correct wiring between heater contactor and stove limit Is there voltage across the coil s of the heater contactor s Is there voltage to the Correct wiring input terminals of HC1 between HC1 HC2 and or HC2 and line voltage Check for proper operation of contactors Replace if necessary Is there voltage to the output side of HC1 HC2 contacts Check elements for shorts or opens Check wires between contactors and elements Do all elements
31. Plug unit in and run it Correct wiring between primary fuse and power supply Is there voltage at input of primary fuses No Is there voltage at output side of secondary fuse Replace secondary fuse Is there voltage at output side of the primary Connect wiring between COM and output of secondary fuse Replace primary fuse s Is there voltage at COM of door switch Correct wiring between primary fuse and transformer Is there voltage across the transformer primary Continued on next page TMB2258S a 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 131 Hybrid Timer Control Troubleshooting 68 Display Flashes dr With Door Closed QT and Control Suffixes continued Continued from previous page With door Closed is there voltag Replace to N O of door door switch switch Is there voltage at COM of the lint panel Switch Connect wiring between door switch and COM of lint panel switch With lint panel closed is there power at N O connection Replace lint panel switch Correct wiring between lint panel switch and hybrid control TMB2258S b 132 Copyright Alliance
32. RED BLK B _ RED BLK 1233595 2 III gt 6 1 2 HEAT CON DROP 2 Low SELECTOR SWITCH A 1 MED START NONE HIGH SWITCH IN Ust LED E E SELECTOR SWITCH IGN L GND oM a EO ui STOVE E LIMIT THERMOSTAT ICM GAS VALVE FIRST COIL WD X 7 VALV SECOND COIL pe THM2075S Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 72 Motor Will Not Start Run QT and Control Suffixes Note test conducted with vend Gas electric and steam heat 1 price satisfied and start button Single and three phase power supply pressed Is there voltage across NO Refer to Control Has No H4 7 and H4 4 on Display QT and RQ the electronic control Control Suffixes flowchart Correct wiring between fan motor and motor control relay Is there voltage across terminals 1 amp 4 of the fan motor Is there voltage across H4 3 and H4 4 on the electronic control Replace control Does the cylinder Replace cylinder motor run motor Is there voltage across the coil of Correct wiring to coil the motor control of motor relay relay Motors are operational Is the unit equipped with single phase or three phase power Single phase
33. SERVICE CONNECTION N i L LT BLU PRIMARY FUSE AGC 2 TRANSFORMER TBI N THERMISTOR COIN CONTROL In T pY nios 8978515 5 VOLTAGE CONFIGURATION INPUT CONTROL JUMPER 3 1 TO H3 5 AS FOLLOWS OWER HEAT RELAY ess WIRE JUMPER SUPPLY 5 8 DOOR SENSING CIRCUIT ALLOWS WHT Y CONTROL TO TURN ON MOTOR 3 2 RELAY ONLY WHEN DOOR 15 CLOSED amp SWITCH IS PRESSED etl i amp FAN MOTOR RELAY g wer eee RED SLK 4272 55716 BRN WHT WHT BRN ee onc fern 3 5A T HEAT RELAY B MOTOR 250V CENTRIFUGAL M SWITCH H 5 DOOR f SWITCH 5 12345578 AVAILABLE OUTPUT E RED WHT 8ED WAT 9 P f f f Ul OFF WHEN AIR FLOW CABINET RUNNING MACHINE AS SWITCH LIMIT THERMOSTAT SEE INSTALLATION MANUAL imax 5mo LINT FOR SWTCH DETALS ono eur DRAWER rn SWITCH H5 RED 8LK 67 G RED aLk 4 1234596 T 2 N O T x T 6 A 1 2 NO HEAT DROP 2 Low SELECTOR SWI
34. This adjustment is much faster to make with one person opening lint panel in front and another adjusting the counterweight in the rear of tumbler b Temporarily tape down the lint panel safety switch located behind the upper right corner of the lint panel c Start the tumbler Open the lint panel 1 1 2 inch 38 1 mm The airflow disc should move away from the cabinet opening the switch contacts and shutting off the heat system This indicates proper operation and proper adjustment d If switch is not opening as described in step 3 it should be adjusted so it is MORE sensitive Depress the spring clip and move counterweight toward disc Retest by opening lint panel and continue moving counterweight toward disc until switch operates as described in Step c e If switch opens BEFORE lint panel is opened the proper distance step 3 it should be adjusted so it is LESS sensitive Depress the spring clip and move counterweight away from the disc Retest by opening lint panel and continue moving counterweight away from disc until switch operates as described in Step c IMPORTANT Remove tape from lint panel switch 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 55 Adjustments To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve
35. cabinet limit voltage at WHT BRN Replace motor wire on motor contactor contactor Is there Check for proper voltage to the N O terminal of the airflow switch Is there voltage to the input of the stove limit 124 Continued on next page Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Correct wiring between cabinet limit and terminal 5 of fan motor Correct wiring between airflow operation of airflow switch Replace if necessary Correct wiring between stove limit and normally open terminal of the airflow switch TMB22578 a 70398301 On Premise Micro Control OM Troubleshooting 64 Unit Will Not Heat Electric continued Continued from previous page Is there voltage to the output side of the stove limit Is there supply voltage to the T1 T2 T2 T3 and T1 T3 terminals of HC1 Is there supply voltage to the T1 T2 T2 T3 and 1 terminals of HC2 Check operation of stove limit Replace if necessary Correct wiring between HC1 and line voltage Correct wiring between HC2 and line voltage Is there supply voltage across L1 L2 L2 L3 and L1 L3 Do all elements produce heat glow a slight orange color No
36. electrical shock or death W007 If you or an unqualified person perform service on your product you must assume the responsibility for any personal injury or property damage which may result The manufacturer will not be responsible for any injury or property damage arising from improper service and or service procedures 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Safety Information NOTE The WARNING and IMPORTANT instructions appearing in this manual are not meant to cover all possible conditions and situations that may occur It must be understood that common sense caution and carefulness are factors which CANNOT be built into this tumbler These factors MUST BE supplied by the person s installing maintaining or operating the tumbler Always contact your dealer distributor service agent or the manufacturer on any problems or conditions you do not understand Safety Information Locating an Authorized Service Person Alliance Laundry Systems is not responsible for personal injury or property damage resulting from improper service Review all service information before beginning repairs Warranty service must be performed by an authorized technician using authorized factory parts If service is required after the warranty expires Alliance Laundry Systems also recommends contacting an authorized technician and using authorized factory parts Safety
37. produce heat glow a slight orange color Unit is operational TMB1805S Please see following page for wiring diagram information 94 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Unit Will Not Heat Electric NetMaster Troubleshooting 6 e e Tp SERVICE CONNECTION Taa T 1 e cap ce 4 Oe Xe e 15 3 1 3 5 ie D 5 5 PRIMARY FUSE 8 59 E d g MOTOR 5 riwisromen THERMISTOR pes ren 3t Ta NETMASTER CONTROL i B n HSE Te ress As CONTROL CIRCUIT CONTROLS eA SC C VIRE JUMPER faves e CREAT RELAY S z 120Vac 68K ohm 5 watt SUPPLY t H SECONDARY 1 24076 10 ett 8 FUSE 3 155 DOOR SENSING CIRCUIT ALLOWS HIE 8 CONTRAE T TURN ON MOTOR EM i RELAY ONLY WEN DOOR IS Toor Sense Ret eLosen IS PRESSED he SECONDARY FUSE Li wW H 3 WHT MDL 35A ENT vet _ lt E MOTOR RELAY sev acu Wt ey 4 PANEL SWITCH SWITCH T r l 4
38. the junction box Is electrical service connected incorrectly 18885 28 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Troubleshooting 17 Display Shows SH and Signals Sounds Electronic Control Models Display shows SH and signals sounds Electronic Control Models 15 temperature Yes at sensor over 191 F 88 3 C No Has temperature Yes Allow tumbler to cool and press ON SELECT pad If display still shows SH replace sensor Replace sensor shorted 70398301 gt temperature sensor Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT TMB1916S 29 Troubleshooting 18 Display Shows OP and Signal Sounds Three Minutes After Tumbler is Started Electronic Control Models Display shows OP and signal sounds three minutes after tumbler is started Electronic Control Models Is temperature Yes at sensor under 24 F 4 4 C No Is temperature Yes If the temperature of the tumbler is above 24 F 4 4 C replace temperature sensor Replace sensor open temperature sensor 19175 30 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Troubleshooting 19 Tumbler Will Not Start Time on Drying Timer Door Closed Manual Timer Models Tumbler will not start time on dryin
39. COIL GND core very Jpn SECDND CDIL 1 X 20745 68 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 41 Unit Will Not Heat Gas Note Tests are conducted with unit running and calling for heat All voltage checks are referenced to transformer neutral 1 NO Correct wiring between FS 2 and Is there 24 VAC at E FS 2 of MDC control COM of lint drawer YES Replace MDC control Replace thermistor 2 15 there 24 NO at FS 1 of MDC control Is the thermistor operational YES 3 Correct wiring NO between COM of airflow switch and FS 1 of MDC control Is there 24 VAC at COM of airflow switch YES 4 YES Check for proper function of airflow switch and replace if necessary Is there 24 VAC across COM amp N C terminal of airflow switch NO 5 Correct wiring NO between terminal 7 on motor control relay and N C terminal on airflow Switch Is there 24 VAC at terminal 7 of motor control relay YES 6 Is there 24 VAC across YES terminals 7 amp 4 of motor control relay Replace motor control relay NO 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting Correct wiring Is there 24 VAC at between terminal 3 terminal 3 of fan of fan motor motor c
40. Is the thermistor operational Is there voltage at COM of airflow switch between COM of Correct wiring airflow switch and FS 1 of hybrid control Is there voltage across COM amp N O terminal of airflow switch Yes Check for proper function of airflow switch and replace if necessary Is there voltage at terminal 13 of motor control relay Correct wiring between terminal 7 on motor control relay and N O terminal on airflow switch Is there voltage across terminals 13 amp 14 of motor control relay Replace motor control relay Is there voltage at terminal 3 of fan motor Correct wiring between terminal 3 of fan motor centrifugal switch centrifugal switch and terminal 4 of motor control relay 70398301 Is there voltage across terminals 3 amp 5 of fan motor centrifugal switch Yes Replace fan motor 15 there voltage to the input side of the cabinet limit Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch continued on next page 22605 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 143 Hybrid Timer Control Troubleshooting 73 Unit Will Not Heat Gas SD and SX Control Suffixe
41. Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Troubleshooting 25 Electric OM Control No Heat With Cycle Selected Unit Running and Calling For Heat continued Continued from previous page Is there voltage to airflow switch orange wire common terminal Yes Is there voltage to the N O terminal of the airflow switch Yes Is there voltage to the input of the stove limit Yes Is there voltage to the output of the stove limit Yes Is there voltage across coil of HC1 Yes No Correct wiring between cabinet limit and airflow Switch Check for Replace proper airflow airflow switch Correct wiring between stove limit and airflow switch No Check for proper airflow Replace stove limit if necessary No Correct wiring to HC1 70398301 15 there voltage to terminals T1 T2 and T3 of HC1 15 there voltage to terminals L1 L2 and L3 of HC1 15 there voltage across the elements Do the elements produce heat NOTE If elements are glowing bright red orange there is not enough airflow Yes Correct wiring between HC1 and supply Replace HC1 No Correct wiring to the elements Check for opens or shorts in the elements Unit operational
42. Micro Control OM Troubleshooting Reference voltage checks to transformer neutral Replace control Is there power supplied to the unit Plug unit in and start cycle Is there 120 VAC at input of primary fuses Is there Correct wiring between primary fuses and power supply 120 VAC at output side of the Replace primary fuse s primary fuses Is there 120 VAC across terminals 1 amp 2 of transformer primary No Correct wiring between primary fuses and transformer 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Is there 24 VAC across terminals 2 amp 3 of transformer secondary Replace transformer Is there Correct wiring 24 VAC at the between input of the secondary secondary fuse and fuse transformer Is there 24 VAC at output Replace side of secondary secondary fuse fuse Correct wiring between COM and output of secondary fuse Is there 24 VAC at COM of door switch No Continued on next page TMB22528 a 113 On Premise Micro Control OM Troubleshooting 60 Door Open Indicator continued Continued from previous page With door closed is there 24 VAC to N O of door s
43. No In Use LED SD and SX Control Suffixes 136 THERMISTOR Buc i x COIN CONTROL M 3987952321 GRN EL VOLTAGE CONFIGURATION INPUT CONTROL CONTROLS l JUMPER H3 1 TO H3 5 AS FOLLOWS HEAT RELAY iz 24 WIRE JUMPER SUPPLY DOOR SENSING CIRCUIT ALLOWS uiar s wer 4 CONTROL TO TURN ON MOTOR Door Sense Ret RELAY ONLY WHEN DOOR IS H3 3 CLOSED amp SWITCH IS PRESSED 52 4 BRN 4 4 WaT FAN MOTOR RELAY RED BLK 42 FSV en wer e gym 4 4 oors 1 HEAT RELAY FAN MOTOR CENTRIFUGAL SWITCH s AVA AGLE OUTPUT E abt OFF WHEN AIR FLOW CABINET LES NDIATOR SWITCI LIMIT THERMOSTAT VEND OP SWITCHES Vmoxe 28 i SHER SUTEA DEALS Tex i m e H5 THOUS 1234 72395 6 7 z OO 000 I 2 5 D A 1 2 NO HEAT DROP 1 EMPERATURE BS row OPTIONAL SELECTOR SWITCH 1 MED START NONE HIGH SWITCH IN YE LED TEMPERATURE sme GEN T SELECTOR SWITCH IGN L T VLT VLT WHT GND ay MTA p STOVE WAT LIMIT THERMOSTAT CAS VALVE ICM FIRST COIL ipe woco N VALV SECOND COIL GRN YEL WHT if 4 1
44. Systems LLC DO NOT COPY or TRANSMIT 67 Micro Display Control MDC Troubleshooting Motor Will Not Start Run TBI lt e 1 11 SERVICE CONNECTION TBI N TBI N x a 3 E 5 FAN PRIMARY MOTOR FUSE acc 2 Pe o8 e 120V TRANSFORMER e Le pac wu 2 1 4 THERMISTOR BLK MDC CONTRO E i CONTROL POWER ts im watt SUPPLY 4 SECONDARY i ohm 10 watt g ly 8 FUSE 8 1 g 125 T g COR SENSING CIRCUIT ALLOWS 2 8 ONTROL TD TURN DN MOTOR 4 L3 RELAY ONLY WHEN DOOR IS Door Sense Ri CLOSED amp SVITCH 13 PRESSED SECONDARY FUSE MDL 3 5A RELAY RED RCU RED BI WHT 8 2008 MT SWITCH SWITCH TART Pl INPUT 8 8 5 9 9 47272 a START INPU CoM COM lin 3 30mo MEAT RELAY TIME 20msec MIN t VAILABLE DUTPU 3 H3 3 amp H3 4 i y amp a com DROPS 22225822118 4 4 VEND APPLICATION DETAIL IGNITOR BRN WH M id T EH ay 5 TH H I e V HT BRI Re T vite vite eY e VL WHT b M GND e FAN MOTOR CABINET AIR FLOW stove CENTRIFUGAL LIMIT SVITCH LIMIT ICM GAS VALVE SWITCH THERMOSTAT THERMOSTAT FIRST
45. Tests are conducted with unit running and calling for heat All voltage checks are referenced to transformer neutral 1 Is there 24 VAC on FS 2 of MDC control Correct wiring between FS 2 and COM of lint drawer Replace MDC Replace control thermistor i Is there 24 VAC on FS 1 of MDC control Is there 24 VAC on COM of airflow switch Is there 24 VAC across COM amp N C terminal of airflow switch Is there 24 VAC on terminal 7 of motor control relay Is there 24 VAC across terminals 7 amp 4 of motor control relay Is the thermistor operational Correct wiring between COM of airflow switch and FS 1 0f MDC control Check for proper function of airflow switch and replace if necessary Correct wiring between terminal 7 on motor control relay and N C terminal on airflow Switch Replace motor control relay 72 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Is there 24 VAC on terminal 3 of fan motor centrifugal switch Is there 24 VAC across terminals 3 amp 5 of fan motor centrifugal switch Is there 24 VAC to the input side of the cabinet limit Is there 24 VAC across cabinet limit Is there 24 VAC to the input side of the stove limit Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Replace fan motor Correct wiring between cabinet limit and terminal 5
46. Warnings and Decals SAFETY WARNINGS and decals have been provided in key locations to remind you of important precautions for the safe operation and maintenance of your tumbler Please take the time to review these warnings before proceeding with service work decals have been designed and applied to withstand washing and cleaning Decals should be checked periodically to be sure they have not been damaged removed or painted 6 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Safety Precautions for Servicing Tumblers Prior to servicing tumbler e Disconnect electrical service and lockout to prevent unintentional connection Shut off supply gas valve Allow machine to cool prior to servicing After servicing tumbler Control access panels must be reinstalled Motor drive belt guards must be reinstalled Contactor junction accessory box covers must be reinstalled Usea non corrosive leak detection solution to check all pipe connections for gas leaks DO NOT USE AN OPEN FLAME TO CHECK FOR GAS LEAKS The loading door switch lint door switch and airflow switch must be operating properly 70398301 Model Identification Information in this manual is applicable to these models Section 2 Introduction NOTE Control suffixes listed on next page 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Gas Steam Ther
47. YES TMB20008 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 129 Hybrid Timer Control Troubleshooting Control Has No Display and Control Suffixes TBI L1 TB LT SERVICE CONNECTION TBI N TRANSFORMER THERMISTOR MANUAL CONTRO 12345989 108876854521 REGULATING L HS BOM GRU CONTROLS H2 ne CONTROL id 7 P M 2 SUPPLY Bede BRN WHT FAN MOTOR RELAY L be n6 WHT FORWARD MOTOR RELAY i MODELS His PNK BLK BLU WHT oer WM 1 REVERSE MOTOR RELAY n WHT DAMPER MOTOR M SECONDARY Lr FUSE p pets UE 14 ei BRN wer o feta 13 3 BUZZER HEAT RELAY 9d FAN MOTOR OPTION DOOR SENSING CIRCUIT ALLOWS CENTRIFUGAL pucr CONTROL TO TURN ON MOTOR RED T RELAY ONLY WHEN DOOR 15 neod SMICH CLOSED amp SWITCH IS PRESSED a rok HES e AIR FLOW SWITCH MONITOR 4 11 FOR AFS PROVING CIRCUI
48. control Indicates an open circuit in the thermistor Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative Indicates a short circuit in the thermistor Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 127 Section 8 Hybrid Timer Control Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 66 Coins Ignored When Entered Start coin drop diagnostic tests Gas and electric heat Single and three phase power supply Exit diagnostic testing and reset control Prompting for vend price Does the light on the control increment properly Reconnect and run diagnostic test again Is connector H2 on the control firmly seated in its receptacle Reconnect and run
49. diagnostic test again Is the 3 pin connector between coin drop and control connected correctly Are wires exiting coin drop optical sensor cracked or broken Replace coin drop or optic switch Replace coin drop If problem still exists then replace the electronic control TMB20518 128 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 67 Control Has No Display QT and RQ Control Suffixes Gas steam and electric heat Single and three phase supply NO Connect supply voltage and run unit Check H6 1 and H6 2 for 5 VDC Is there voltage NO Replace hybrid supplied to the unit control assembly YES YES Note Reference voltage to 1 supply neutral Replace display Is there voltage to the input side of the primary fuse s NO Correct wiring between primary fuse and supply assembly YES Is there voltage to the output side of the primary fuse s NO Replace primary fuse YES Is there voltage across the primary side of the transformer NO Correct wiring between transformer and primary fuse YES Is there voltage across NO 2 amp 3 of transformer Replace transformer secondary YES Is there voltage across Correct wiring 9 between hybrid timer terminals H1 3 amp H1 1 on hybrid timer and transformer secondary
50. for control Refer to proper operation Replace if necessary Yes Is there 24 Volts across the coil of the relay Door Open Indicator 17995 86 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 No Start Run NetMaster Troubleshooting Q lt 1 SERVICE CONNECTION X TBI N PRIMARY FUSE AGC 2 1 pe 35 La THERMISTOR wHT BLU 8 B NO g z REGULATING CONTROL CIRCUIT CONTROLS POWER t HEAT RELAY 5 SUPPLY H 3 SECONDARY g ly 8 FUSE 125 T a H2 6 Door Sense Ret MI SECDNDARY 8 D ASA MDL 3 RED BLU m MOTOR RELAY 3 LINT 3 008 PANEL SWITCH SWITCH AVAILABLE QUTPUT SIART PASE INPUT Fs 2 Try Lc Bera Orr wee Ties 9 58 MO NB 22 MACHINE R NNING TIME ASmsec MINIMUM HEAT RELAY max 8Vdc Imax Smo v l E amp H amp COIN DROPS NETWORK AND CARDREADER SCI H6 SEE VEND APPLICATIUN DETAIL NOTE FOR NETWORK APPLICATIONS SEE SUPLEMENTAL NETWORK DIAGRAM IGNITUR BRN WH gt event e ORG entente W GNDe FAN MOTOR CABINET AIR FLOW STOVE 3 CENTRIFUGAL LIMIT SWITCH Nou ICM GAS VALVE H THERMDSTAT FIRST COIL
51. in safety lockout Yes Open and close door No Is resistance of Troubleshooting Is igniter high voltage lead No not 5 32 in greater than 397 cm or is 25 000 Ohms or ceramic less than 5 000 cracked Ohms Yes No Yes y Y Replace high Replace replace voltage lead Nu IEI control igniter wire to grou terminal Connect green nd Open gas shut off valve 70398301 Is there 24 volts present on white black wire from IEI control Yes No Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Check gas valve coils Replace IEI Replace as control required 18915 35 Troubleshooting 22 Steam OM Control No Heat With Cycle Selected Unit Running and Calling For Heat 120 Volt 60 Hertz 1 Phase and 208 240 Volt 60 Hertz 1 Phase Nonreversing 460 480 Volt 60 Hertz 3 Phase and 208 240 Volt 60 Hertz 3 Phase Reversing and Nonreversing Steam OM Models No heat with cycle selected unit running and calling for heat Is there voltage at H2 13 No Is there voltage at H2 6 No Replace micro control Correct wiring between H2 6 and H2 13 voltage to the motor switch Is there voltage at H2 5 No Check for proper thermistor operati
52. may result in conditions which can produce serious injury death and or property damage Do not repair or replace any part of the product or attempt any servicing unless specifically recommended or published in this Service Manual and unless you understand and have the skills to carry out the servicing Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the product is properly grounded and to reduce the risk of fire electric shock serious injury or death WO06R2 70398301 IMPORTANT INFORMATION During the lifetime of a tumbler it may require service The information contained in this manual was written and is intended for use by qualified service technicians who are familiar with the safety procedures required in the repair of a tumbler and who are equipped with the proper tools and testing equipment To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded W240 Repairs that are made to your products by unqualified persons can result in hazards due to improper assembly or adjustments subjecting you or the inexperienced person making such repairs to the risk of serious injury
53. prep for card Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT DO DMP OPL DV DMP vended DX DMP prep for coin MT manual timer NC NetMaster coin NR NetMaster card NX NetMaster prep for coin NY NetMaster prep for card OM OPL micro QT dual digital timer R3 reversing DX4 OPL RD reversing DMP OPL RM reversing OPL micro RQ reversing dual digital timer RT reversing manual timer SD single drop SX single drop prep for coin ZC NetMaster network coin ZR NetMaster network card ZX NetMaster network prep for coin ZY NetMaster network prep for card 70398301 Serial Plate Location When calling or writing about your product be sure to mention model and serial numbers Model and serial numbers are found on serial plate on the rear of machine and inside door Customer Service If literature or replacement parts are required contact the source from which the machine was purchased or contact Alliance Laundry Systems at 920 748 3950 forthe name and address of the nearest authorized parts distributor For technical assistance call 920 748 3121 Wiring Diagram The wiring diagram is located inside the junction or contactor box Models starting Serial No 0309 or later will have the wiring diagram part number in the lower portion of the electrical data on the serial plate 70398301 Copyright Alliance Laundry Systems L
54. the cabinet limit Yes 8 Is there voltage to the No output side of the cabinet limit Yes 9 Is there voltage to the No input side of the stove limit Yes 10 Is there voltage to No output side of the stove limit Yes 11 Is there voltage across No the coils of the heater contactor s Yes 12 Is there line voltage to No the input side of the heat contactor s Correct wiring between cabinet limit and motor relay Check for proper operation of cabinet limit Replace if necessary Correct wiring between stove limit and cabinet limit Check stove limit for proper operation Replace if necessary Correct wiring between heater contactor coils and stove limit Correct wiring between heat contactor s and line voltage Continued on next page Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 107 NetMaster Troubleshooting 58 CE Models Will Not Heat Electric continued 13 Check for proper operation of contactors Replace if necessary Is there line voltage to the output side of the heat contactors 14 Correct wiring Is there line voltage between the across the elements elements and contactors Check elements for Do elements produce opens shorts heat Replace if necessary Unit operational 18175 108 Copyright A
55. to No actuate with door closed Is lint door open or is lint Yes door switch inoperative No Replace trunnion housing bearings Is trunnion shaft assembly binding in trunnion housing bearings Yes Press start switch or test switch and replace if inoperative Yes Is start circuit incomplete Replace bearings N Is idler shaft Ves 9 binding in idler housing bearings No 12 Yes Is motor inoperative Models Is timer set properly No Non Metered Models Are the timer or relay inoperative No Metered CD Models Is the accumulator knob improperly set after coins were inserted Metered Models Are proper coins inserted in accumulator Have motor tested and replace if inoperative Turn drying timer clockwise to desired setting Test timer and relay and replace if inoperative Check that proper coins are inserted Turn knob clockwise to its full limit of travel Test run switch and m replace if inoperative Metered CD Models Is run switch accumulator inoperative No Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Is there broken loose or incorrect
56. 4 Is there voltage at Correct wiring terminal 5 of the between terminal 5 motor control relay and power supply Is there voltage at terminal 6 of motor control relay Replace motor control relay 20785 Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 141 Hybrid Timer Control Troubleshooting Motor Will Not Start Run QT and RQ Control Suffixes LT SERVICE CONNECTION TBI LT BLU PRIMARY FUSE AGC 2 120v TRANSFORMER THERMIST REGULATING MANUAL CONTROL 2288 tp nto SUPPLY e BRN WT pie FAN MO 2 pn PNK WHT REVERSE MOTOR RELAY i wW 8 g DAMPER MOTOR WHT e PNK BLK BLU WHT j ANC T We SECONDARY BLU re FUSE AR T a 5 T BRN WHT ke ANHT BRN 250 131 014 3 5 BUZZER e l HEAT RELAY MOTOR Eee EE 4 RELAY ONLY WHEN DOOR 5 Hod SMICH CLOSED amp SWITCH IS PRESSED B BLK e AIR FLOW SWITCH M
57. 5 Is there supply voltage NO to the L1 L2 and L3 terminals of HC2 YES 16 17 18 Is there supply voltage NO across T1 amp T2 T2 amp T3 and T3 amp T1 YES Do all elements produce heat glow a slight orange color NO YES Replace the stove limit Correct wiring between heater cotactor and stove limit Correct wiring between HC1 and Line voltage Correct wiring between HC2 and Line voltage Check for proper operation of contactors replace them if necessary Check elements for shorts or opens Check wires between contactors and elements Note Please make the appropriate adjustments if your unit is single phase Unit is operational 2545 Please see following page for wiring diagram information Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Micro Display Control MDC Troubleshooting Unit Will Not Heat Electric 5909 1 1VISDWaH3HI IWIT 719130 NDILV2IddV 3 01 33 1HAZ11 e Ce 10 amp 41 v VV 9 9 9 999999 zT 7 297 SEG EIIO x
58. 7945 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 81 NetMaster Troubleshooting 47 No Display 1 Yes Is there 24 volts AC Replace the across terminals H1 1 electronic control and H1 3 on control No 2 No Is the secondary fuse Replace the fuse good Yes 3 t the wiri Is there 24 volts AC Yes correct A across terminals 1 and transformer 4 on the secondary side of secondary and the 2 the transformer electronic control No 4 Is line voltage present Yes across terminals 1 and Replace the 2 on the primary side of transformer the transformer No 5 No Is the primary fuse good Replace the primary fuse Yes Correct wiring from terminal block to transformer Verify that the unit is connected to power and the power is on 17955 82 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 No Display NetMaster Troubleshooting TBI TB L1 SERVICE CONNECTION B TBI N amp TBI N i a 5 3 i 1 a 8 5 PRIMARY mie FUSE AGC 2 TRANSFORMER TH
59. 8301 Micro Display Control MDC Troubleshooting Door Open Indicator e e TBI LL SERVICE CONNECTION TB BLK TBI N N 70398301 FAN MOTOR THERMISTUR BLK MDC CONTRO i VOLTAGE CONFIGURATIDM INPUT TEMP REGULATINQN emere JUMPER H2 2 TO AS FOLLOWS CONTROL CIRCUIT CONTROLS le WIRE Power 4 HEAT RELAY SUPPLY 2 p CHASSIS GRDUND x s x 8 pate SENSING CIRCUIT ALLOWS 8 ONTROL TURN DN MOTOR ix 1 RELAY ONLY WHEN DOOR IS Boor Sense CLOSED amp SWITCH IS PRESSED IE m Isi Y MOTOR RELAY 4 RED B BRN Ed MOTOR RELAY rs I pr START PULSE INPUT Ll lin 3 30mo HEAT RELAY TIME 20msec MIN WAILABLE DUTPU H3 3 amp H3 4 3 0 WHEN 2 3 MACHINE RUNNING amp s 2 a 5 COIN DROPS i E SV wot 1212141 STEVIE Ess i a 92999299 12 5 1 SEE VEND APPLICATION DETAIL IGNITOR BRN WH NC TH L T O NVLT WHT GND FAN MOTOR CABINET AIR FLOW STOVE 3 CENTRIFUGAL LIMIT SWITCH LIMIT ICM GAS VALVE SWITCH THERMOSTAT THERMOSTAT FI
60. 8301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 57 Adjustments NONREVERSING Trunnion Housing Adjusting Bolts Trunnion Housing V belt Bolts Self adjusting Housing Bolts 2 Adjusting Idler Housing Assembly T234IESF Figure 4 58 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Adjustments REVERSING Locking Bolt Drive Belt Adjusting Nut pot tI Adjusting Not Shown N P Cylinder geet Belts Idler AN Housing Bolts M 2 Idler Housing Assembly 3221 Figure 5 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 59 Adjustments To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 36 Cylinder Clearance The clearance between the cylinder rim and front panel must be adjusted so the cylinder is centered within the front panel opening when the cylinder is fully loaded and is turning However the adjustment shou
61. Drying Tumblers 50 Pound Capacity 75 Pound Capacity Refer to Page 7 for Model Numbers m f I c e Part No 7039830161 Laundry Systems www comlaundry com June 2008 Surjoouso qno r Tab of Section 1 Safety Information scere eee eene een enean tnene 4 Locating an Authorized Service Person eee 6 C t e nt S Safety Warnings and 6 Safety Precautions for Servicing Tumblers ees 6 Section 2 7 Model Identification ee uva 7 Serial Plate Location nee 9 Customer Service e ee e pen m Whe ees thee nee e ee ead 9 Wiring qe edm e 9 How a Tumbler 10 Theory of Operation of Instant Electronic Ignition 10 Section 3 Troubleshooting eere eee eene enne et 11 1 Motor Does Not Start rennen 12 2 Motor Overload Protector Cycles Repeatedly 13 3 Motor Runs But Cylinder Does Not Turn sess 14 4 Motor Does Not Stop 15 5 Heating Element Does Not Heat or Burner Does Not Ignite 16 6 Igniter Does Not Shut Off After Gas Ignition Gas Burner 18 7 Heating Element or Burner S
62. E ndinn 3948 NIN 525402 3 AVI3N LV3H 9405 5 AT 2 LNdNI 35147 1591 2 3 T AV138 SOLOW 1 e 78 038 4 AVIS SOLOW Tc zH WW n 8355344 SI HJIIAS 12 25425 SI 500 NIJHA AJTND V 33 a H ST a NO Nanl OL ZOXLNDI S S 2 5 11 1112412 9NISWAS 004 5 5 S 3 e 319 owo 9 29A0r2 9 SISSVHO PI Add NS SG uuo 389 29A028I ES 3H 5 1 _ 57051 0 LNAI 7081 09 F s D017104 9 S 2H 2 2H DNILV 105383 di 10401 NULLVBODIJNOO 399110 713A NX9 t w 4 IOALNOO LHA 138 JHA 7187 LHA YOLSIWSSHL 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 74 43 Unit Will Not Heat Electric Note Tests are conducted with unit running and calling for heat All voltage checks are referenced to transformer neutral 1 Is there 24 VAC at FS 2 of MDC control Replace thermistor Is there 24 VAC on FS 1 of MDC control Is there 24 VAC at COM of airflow switch Is there 24 VAC across COM amp N C terminal of airflow switch Is there 24 VAC at terminal 14 of motor control relay Is there 24 VAC across terminals 13 amp 14 of motor control relay Correct wiring between FS 2 and COM of lint panel Switch
63. ERMISTOR WHT BLU WHT pv dh NETMASTER CONTROL G 4 5 VOLTAGE CONFIGURATION INPUT TEMP REGULATING 5 He 2 TO He 5 AS FOLLOWS CONTROL CIRCUIT CONTROLS 1 e cime reer SECUNDARY 240Vac 13 6K ohm 10 watt g ly CHASSIS GROUND FUSE g 125 T DOOR SENSING CIRCUIT ALLOWS CONTROL TURN ON MOTOR He 6 WHT RELAY ONLY WHEN DOOR IS Door Sense Ret CLOSED amp SWITCH IS PRESSED SECONDARY 8 FUSE MDL 35A RED BLU L H 1 ne a e 9 MOTOR RELAY m 1 B MOTOR RELAY SWITCH a ii j AVAILABLE DUTPUT SART PULSE INPUT 9 9 585 9 9 RED I TI vi d DPTO OFF WHEN linz 9 30 CM a MACHINE RUNNING TIME 4Smsec MINIMUM HEAT RELAY max 28Vdc Imax Smal i al 5 5 H 3 11 5 COIN DROPS NETWORK AND CARDREADER SCI H6 SEE VEND APPLICATIUN DETAIL NOTE FOR APPLICATIDNS SEE SUPLEMENTAL NETWORK DIAGRAM IGNITUR BRN WHF 5 TH Hew ere VLF VLT NHTL VLT WHT ND GND e FAN MOTOR CABINET AIR FLOW STOVE 3 CENTRIFUGAL LIMIT SWITCH mellis ICM GAS VALVE SWITCH THERMDSTAT FIRST COIL ND 8 MOSM E SECOND COIL 17965 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 83 NetMaster Troubleshooting 48 Door Open Indicator Door Open Indicator
64. Element or Burner Shuts Off Prematurely Heating element or burner shuts off prematurely Refer to Yes Installation Manual for exhaust and make up air requirements Is there improper or inadequate exhaust and or make up air No Open partially Gas Models Yes closed gas shut off there insufficient as supply valve or correct low 9 Tumbler is equipped for Gas Models Is tumbler Yes type of gas specified on not properly equipped serial plate at 0 2 000 for type of gas used feet altitude Refer to Installation Manual No Refer to Yes Adjustments Section for burner flame adjustment Gas Models Is burner flame improperly adjusted No Is high limit Yes Refer to thermostat gt cycling off Is there Refer to wiring broken loose Yes diagram or incorrect located inside wiring contactor box 18795 70398301 Copyright Alliance Laundry Systems LLC DO COPY or TRANSMIT 19 Troubleshooting 8 Heating Element or Burner Repeatedly Cycles Off On High Limit Thermostat Heating element or burner repeatedly cycles off on high limit thermostat Is external exhaust system longer than recommended or is there inadequate make up air Refer to Installation Manual for exhaust and make up air requirements
65. Is lint screen clogged Remove screen and clean Lint screen and compartment should be cleaned after every eight hour shift Is there lint in tumbler ducts Yes Is there lint in external exhaust system Clean tumbler ducts Disassemble exhaust system and clean Is high limit thermostat cycling at too low temperature Is lint door panel not closed properly Is backdraft damper not operating Yes Yes Replace thermostat Open lint door panel place lint door panel back on tumbler ensuring a tight fit Check for foreign objects lint accumulation or other possible obstructions TMB1880S 20 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 9 Heating Element or Burner Does Not Shut Off Heating element or burner does not shut off Gas Models Are there impurities on gas valve seat preventing valve from closing No Is drying timer relay or contactor inoperative No Is wiring incorrect Replace gas valve Replace timer relay or contactor Yes gt Yes gt Yes Refer to wiring diagram located inside contactor box Troubleshooting 18815 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 21 Troubleshooting
66. L HU075L PUO75N BUOT7ST LTO75T CHD75E2 CUO75E CHD75G2 CA075N HU075N 075 CHD75S2 CTO75S LUO75S DR7SE2 BTO7SE CHD75G2 CTO75L IPD75G2 ITO75L 5 075 7552 00755 LUO75T DR75E2 BU075E CHD75G2 CTO75N IPD75G2 ITO75N STO75D 075 0755 075 CHD75G2 CU075L KA075L STO7SL 0075 PTO75T 075 CHD75G2 CUO75N KA075N STO75N DR75S2 BTO75S PUO7SS 075 DR75G2 BAO7SL KTO75L STF75L DR75S2 BUO75S PUO075T HUOT7SE DR75G2 BAO75N KTO75N STF75N GT075S STO7SS IPD75E2 ITO75E DR75G2 BTO75L KU075L 500751 GTO75T STO7ST 075 in d DR75G2 BTO75N 075 SU075N GUO07SS 5007558 075 DR75G2 BUO75L LAOT7SL UAO7SL 0075 SUO7ST LTO75E DR75G2 BUO75N 075 UAO75N 0755 707558 LUO75E GAO75L LTO75L 70751 HTO75T UTO75T PTO75E GAO75N LTO75N UTO75N 00755 000758 PUO7SE GT075L 11710751 UTF75L HUO75T 00075 STO75E GT075N LUO75N UTF75N 07552 110755 0755 50075 GUO075L NTO75L 000751 ITO75T 075 UBO7SE GU075N NT075N UU075N 0755 0075 UTO75E 075 075 075 075 YUO75T UU075E HAO75N PA075N 075 KUO75S 075 HT075D PTO75L YUO75E Includes models with the following control suffixes 30 DX4 OPL 3V DX4 vended 3X DX4 prep for coin BC basic electronic coin BL basic electronic central pay BX basic electronic prep for coin BY basic electronic prep for card CD rotary coin drop CX prep for coin CY
67. LC DO NOT COPY or TRANSMIT TMB803N Introduction Introduction How a Tumbler Works gt gt 55 001 tumbler uses heated air to dry loads of laundry 1 When the motor is started the exhaust fan pulls room temperature air in through the air intake at the rear of the tumbler and over the heat source burner flame for gas heating element for electric and coil for steam 2 The heated air moves into the cylinder where it is circulated through the wet load by the tumbling action of the cylinder The air then passes through the lint filter exhaust fan and is vented to the outdoors 10 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Theory of Operation of Instant Electronic Ignition IMPORTANT The Non CE Marked Instant Electronic Ignition system will attempt to light the gas by sparking for approximately 15 seconds If gas ignition does not take place within approximately 15 seconds the Instant Electronic Ignition control will go into safety lockout and the valve will no longer open until Instant Electronic Ignition control is reset To reset Instant Electronic Ignition control remove power from control by opening and closing the tumbler door If condition persists check that the gas shut off valve is in position and that the gas service is properly connected If c
68. Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting Display Flashes dr With Door Closed QT and RQ Control Suffixes 9 e mi i CONNECTION TB1 N THERMISTOR MANNAL CONTROL 5237 8 oS 8 7 8 8 4 3 2 1 HS BOM CIRCUIT CONTROLS H2 HEAT RELAY i W FAN MOTOR RELAY i Wr ce PNK WHT FORWARD MOTOR RELAY i Cus Ru i REVERSE MOTOR RELAY I w DAMPER MOTOR H4 B ej BUZZER Ww gem 4 4 ecu 3 sq wiT 6 ai BUZZER HEAT RELAY 4 9 FAN MOTOR om DOOR SENSING CIRCUIT ALLOWS q CENTRIFUGAL CONTROL TO TURN ON MOTOR SWITCH RELAY ONLY WHEN DOOR IS CLOSED amp SWITCH IS PRESSED T AIR FLOW SWITCH MONITOR FOR AFS PROVING CIRCUIT CABINET LIMIT THERMOSTAT HS zw t G G 897 6105 113 41212 FEE LX 111 Ti gt Le el Le e D RE 1 2 3 1 2 3 ret b mou MR TEMPERATURE SWITCH SWITCH SELEC
69. MB2242S 115 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT On Premise Micro Control OM Troubleshooting 61 Motor Will Not Start Run Motor Will Not Start Run pressed Is there voltage between H2 7 and H2 9 No Replace control 15 there 24 VAC across the coil of the motor control relay Correct wiring to coil of motor relay Yes Note For high voltage three phase supply 200 volts or higher the motor is supplied by L1 L2 L3 through the motor contactor terminals T1 T2 T3 Make the appropriate adjustments when doing voltage checks Note Test conducted with vend price satisfied and start button 15 there supply voltage at L1 L2 L2 L3 and L1 L3 at the motor Correct wiring between L1 L2 L3 and power supply contactor 15 there supply voltage across 1 2 T2 T3 and T1 T3 on the motor contactor Li Replace motor control relay 15 there supply voltage at black wire on the motor control relay Is there supply voltage at gray wire on the motor control relay Is there supply voltage across terminals 1 amp 4 of the motor Motor is operational 15 there supply voltage between L1 L2 L2 L3 and L1 L3 of motor Replace motor 116 Copyright Alliance Laundry Systems LLC D
70. MED START NONE HIGH SWITCH IN use LED PERATURE r ca SECTOR SWITCH 1 2 E 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 13 STOVE LIMIT THERMOSTAT GAS VALVE FIRST COIL OQ SECOND COIL 2075 145 Hybrid Timer Control Troubleshooting 74 Unit Will Not Heat Gas QT and RQ Control Suffixes Note Tests are conducted with unit running and calling for heat All voltage checks are referenced to transformer neutral Is there voltage at H4 1 of hybrid control Is there voltage at terminal 13 of motor control relay Is there voltage across terminals 13 amp 14 of motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Is there voltage across terminals 3 amp 5 of fan motor centrifugal switch Is there voltage to the input side of the cabinet limit 146 Is the thermistor operational Replace thermistor Replace hybrid control Correct wiring between terminal 13 on motor control and H4 1 on hybrid control Replace motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 4 of motor control relay Replace fan motor Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch Is there voltage across cabinet limit Is there voltage to the input side of the s
71. MENTAL NETWORK DIAGRAM IGNITOR BRN WH NC x 3 3 3 ND WHT FAN MOTOR CABINET AIR FLOW STOVE CENTRIFUGAL LIMIT SWITCH LIMIT GAS VALVE SWITCH THERMOSTAT THERMBSTAT FIRST COIL SECOND COIL gif 22495 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 85 NetMaster Troubleshooting 49 No Start Run Note For steps 2 and 3 For 208 240 1 phase both lines to the motor are controlled by contacts Please check second set of contacts For 3 phase units the three legs supplied to the moter will be controlled by N O contacts Please check all three legs 1 Check motor for Is there line voltage Yes roper operation across terminals 1 and n ee if 4 of the motor 2 5 Is there 24 volts at iri Correct wirin Is there voltage on the Yes Correct wiring terminal H2 4 on the Yes betwesn control end output of the motor between the motor control Measured to motor relay coil relay relay and the motor transformer neutral No No 3 6 No Correct wiring Is there 24 volts to Yes Press the start Is there voltage to the input side of the motor relay button If machine supplying voltage to the contacts of the motor relay terminal H2 1 on the control does not start replace control No Yes 4 Correct wiring to the Check relay
72. Not Heat Gas and RQ Control Suffixes SERVICE CONNECTION N 181 11 PRIMARY FUSE AGC 2 LT BLU 120v TB1 N 148 00000000000 9 s TRANSFORMER THERMISTOR 24V D 3 ye 1 2 S 4 5 REGULATNG 105987854921 MANUAL CONTROL k CIRCUIT CONTROLS H2 EAT RELAY 5 1 3 RED SUPPLY e H 2 p FAN MOTOR RELAY pN E FORWARD MOTOR RELAY 5 AN REVERSE MOTOR RELAY wt 5 2 g wT DAMPER MOTOR WF SECONDARY 4 FUSE 1 BUZZER 5A 4 14 4 250V BUZZER HEAT RELAY FAN MOTOR idol je teat ia i un RELAY ONLY WHEN DOOR IS Sid CLOSED amp SWITCH IS PRESSED ts e AIR FLOW SWITCH MONITOR FOR AFS PROVING CIRCUIT DOOR 3 SWITCH 5 RED WHT g NO H5 LINT 0122258 897 6105 H ee ee SWITCH giri Ben RED BLK W 9 RED BLK Be Se Sa SEs No CoM MEI o Ludum e DRYING TIME COOLING TIME SELECTOR
73. O NOT COPY or TRANSMIT Gas steam and electric heat Single and three phase power supply Correct wiring between black wire and power supply Replace motor control relay Correct wiring between motor and motor control relay Correct wiring between motor and motor contactor TMB2253S 70398301 On Premise Micro Control OM Troubleshooting Motor Will Not Start Run Single Phase e TB1 L1 TBI N TRANSFORMER FAN MOTOR 8 CONTROL POWER SUPPLY SECONDARY USE B4VAC EXT RET MDL 3 54 24 EXT DOOR SWITCH m MOTOR RELAY AME COM BRN WHT 3 5 2 1 HT 9 086 M E FAN MOTOR CENTRIFUGAL SWITCH LIMIT AIR FLOW THERMOSTAT SWITCH TOVI LIMIT 5 GAS VALVE FIRST COIL SECOND COIL 70398301 22425 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 117 On Premise Micro Control OM Troubleshooting Motor Will Not Start Run Phase SERVICE CONNECTION TBI THERMISTOR CHASSIS GROUND B4VAC EXT 24 EXT FAN MOTOR CABINET AIR FLOW STOVE CENTRIFUGAL LIMIT SWITCH LIMIT SWITCH THERMOSTAT THERMOSTAT 118 Copyright Alliance Laundry Syst
74. ONITOR 11 FOR AFS PROVING CIRCUIT DOOR CABINET SWITCH a LIMIT THERMOSTAT RED NO HS G G LINT 1222425387 897 8105 HH HH SWITCH ZB9 udzas Eth RED BLK B G RED BLK Egas SEs CoM 1 i i i i Hor e er s poc M TR EMPERATURE SWITCH SWITCH SELECTOR SWITCH TIME DISPLAY AIR FLOW SWITCH a IGN ORG e wr L N C 3 TH GND ae Oe 5 3 ee STOVE MT LIMIT THERMOSTAT IC GAS VALVE 1 2 NO HEAT ORE E E END VALV A COW SECOND COIL 1 MED 4 14 NONE HIGH TEMPERATURE 20765 SELECTOR SWITCH 142 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 73 Unit Will Not Heat Gas SD and SX Control Suffixes Unit Will Not Heat Gas SD and SX Control Suffixes Note with u Tests are conducted nit running and calling for heat All voltage checks are referenced to transformer neutral Is there voltage at FS 2 of Correct wiring between FS 2 of lint panel and N O Replace thermistor Replace hybrid control 2 T A Is there voltage at FS 1 of hybrid control No No
75. RST COIL Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT END VALVI ge SECOND COIL GRN YEL 8 e i 4 1 B 20735 65 Micro Display Control MDC Troubleshooting 40 Motor Will Not Start Run Gas electric and steam heat Single and three phase power supply Note Test conducted with vend 1 price satisfied and start button pressed NO Is there 24 VAC across Refer to H2 1 and H2 6 on Door open iy ce the electronic control flow chart Is there supply voltage across terminals 1 amp 4 of the motor Is there 24 VAC across H2 4 and H2 6 on the electronic control Replace control Does the motor run Is there 24 VAC across the coil of the motor control relay Correct wiring to coil of motor relay Is unit equipped with Single phase Correct wiring between motor and motor control relay Replace motor single phase or three h ly 3 phase Also phase power supply see Note on next page Three phase Also see Note on next 12 Is the unit equipped with single phase or three phase power Is there supply voltage between L2 amp L3 of motor control relay Single phase 4 Correct wiring between terminal 5 and power supply Is there supply voltage at terminal 5 of the motor control relay Is there voltage across ter
76. SELECTOR SWITCH SWITCH SELEQTOR SWITCH TIME DISPLAY AIR FLOW SWITCH FIRST COIL 12 000 2 LOW SA SECOND COIL MED I NONE HIGH TEMPERATURE 20765 SELECTOR SWITCH Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 75 Unit Will Not Heat Electric QT and RQ Control Suffixes Unit Will Not Heat Electric QT and RQ Control Suffixes 1 Is there voltage at H4 1 of hybrid control Note Tests are conducted with unit running and calling for heat All voltage checks are referenced to transformer neutral Is the thermistor operational Yes No Replace Replace hybrid control thermistor Is there voltage at terminal 13 of motor motor control relay Is there voltage across terminals 13 amp 14 of motor control relay Is there voltage at terminal 3 of fan motor centrifugal switch Correct wiring between terminal 13 on motor control relay and hybrid control Replace motor control relay Correct wiring between terminal 3 of fan motor centrifugal switch and terminal 14 of motor control relay 70398301 Is there voltage across terminals 3 amp 5 of fan motor centrifugal Yes Replace fan motor switch Is there volta
77. T SECOND COIL 4 1 p 18005 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 87 NetMaster Troubleshooting 50 Unit Will Not Heat Gas Note Tests are conducted with unit running 88 and calling for heat All voltage checks are referenced to transformer neutral 1 Is there voltage at FS 2 of control Yes 7 No Correct wiring between FS 2 and Is there voltage to the output of the cabinet N O of lint panel limit switch Yes Replace mm 2 8 Is there voltage No at FS 1 of control Yes 3 Is there voltage at N O terminal of the motor control relay Yes 4 Is there voltage to terminal 3 of the fan motor Yes 5 Is there voltage at terminal 5 of the fan motor Yes 6 Is there voltage to the input of the cabinet limit Yes No Is there voltage to the common of the airflow switch Is the thermistor operational Yes Yes 9 No Correct wiring between N O terminal and FS 1 Is there voltage to the N O terminal of the airflow switch Yes 10 No Correct wiring between motor terminal 3 and motor relay Is there voltage to the input of the stove limit Yes 11 No Check motor for proper operation Replace if necessary Is there voltage to the output side of the stove limit
78. T DOOR 5 SWITCH E Ha 12 LIMIT THERMOSTAT RED WHT RED WT H5 G G G LINT 897 6105 113 41212 DRAWER TIT tht SWITCH ate Ets EEE oa RED BLK RED BLK SEs Lo 1 I 1 P g F 8 ES 3 1 Le e eo 1 2 3 1 2 3 m poc MS RR EMPERATUR SWITCH SWITCH SELECTOR SWITCH TIME DISPLAY sw e AIR FLOW SWITCH a M IGN ORG eur com 1 alt N C GND VEMM e wr 1 39 STOVE LIMIT THERMOSTAT ICM GAS VALVE A 1 2 NO HEAT DR epum A 2 LOW mE VALV SECOND COIL A 1 MED 1 BLK NONE HIGH TEMPERATURE THM2076S 130 SELECTOR SWITCH Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 68 Display Flashes dr With Door Closed QT and Control Suffixes Display Flashes dr With Door Closed QT and RQ Control Suffixes Gas steam and electric heat Single and three phase power supply Is there voltage across terminals 2 amp 3 of transformer econdary Is there voltage Yes between H1 1 amp H1 3 on the control Replace hybrid control Replace transformer Is there voltage at the input of the Secondary fuse Correct wiring between secondary fuse and transformer Is there power supplied to the unit
79. TCH A 1 MED START NONE HIGH SWITCH IN use LED TEPER TURE bii E at SELECTOR SWITCH IGN L T VLT VLT WHT GND STOVE wy LIMIT THERMOSTAT ICM GAS VALVE FIRST COIL TS 0009 VALV T SECOND COIL if 4 19 97 0009 THM2075S Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 71 Motor Will Not Start Run SD and SX Control Suffixes Note test conducted with vend Gas electric and steam heat 1 price satisfied and start button Single and three phase power supply pressed NO Refer to Vend Satisfied No In Use LED SD and SX Control Suffixes flowchart Is there voltage across H3 1 and H3 6 on the electronic control Correct wiring between fan motor and motor control relay Is there voltage across terminals 1 amp 4 of the fan motor Is there voltage across H3 4 and H3 6 on the electronic control Replace control Does the cylinder Replace cylinder motor run motor Is there voltage across the coil of Correct wiring to coil the motor control of motor relay relay Motors are operational Is the unit equipped with single phase or three phase power Single phase 4 Is there voltage at Correct wiring terminal 5 of the between terminal 5 motor control relay and power supply Is
80. TIME 45 MINIMUM SEE VEND APPLICATION DETAIL NOTE FOR NETWORK APPLICATIONS SEE SUPLEMENTAL NETWORK DIAGRAM Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT BRN WH WHT VLT STEAM OR THERMAL OIL VALVE VLT WH lt FAN MOTOR SWITCH i e URG BRN CENTRIFUGAL WHT TMB1804S 70398301 52 Unit Will Not Heat Electric Note Tests are conducted with unit running and calling for heat voltage checks are referenced to transformer neutral 1 Is there voltage at FS 2 of control Yes thermistor 2 Is there voltage No at FS 1 of control Yes 3 Is there voltage at N O No terminal of the motor control relay Yes 4 Is there voltage to No terminal 3 of fan motor Yes 5 Is there voltage at No terminal 5 of the fan motor Yes 6 Is there voltage to the No input of the cabinet limit Yes 70398301 Is the thermistor operational Correct wiring between FS 2 and N O of lint panel switch Replace control No Yes Correct wiring between N O terminal and FS 1 Correct wiring between motor terminal 3 and motor relay Check motor for proper operation Replace if necessary Correct wiring between cabinet limit and terminal 5 of fan motor 7
81. TOR SWITCH START SWITCH eee TIME DISPLAY sm e AIR FLOW SWITCH IGN N C a TH GND 394 STOVE LIMIT THERMOSTAT ICM GAS VALVE FIRST COIL 1 2 No HEAT eX A 2 LOW A VALV SECOND COIL MED T 4 1 HIGH TEMPERATURE 20765 SELECTOR SWITCH 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 133 Hybrid Timer Control Troubleshooting 69 Vend Satisfied No In Use LED SD and SX Control Suffixes Vend Satisfied No In Use LED Coin Models there voltage at the input side of the primary fuse there voltage at the output side of the primary fuse Correct wiring between the primary fuse and the terminal block Replace the primary fuse there voltage at the input side of the secondary fuse Correct wiring between the transformer and the secondary fuse there voltage at the output side of the secondary Replace secondary fuse fuse Is there Correct wiring power to the between rrect wirin there voltage 22 e conrol of H1 1 fuse and at the input and 1 3 control side of the P transformer transformer Correct wiring between the there voltage at COM of the fuse and COM at the out
82. Top Shown Clearance T218SE3C Figure 6 60 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Section 5 Micro Display Control MDC Troubleshooting 37 Coins Ignored When Entered Gas and electric heat Single and three Start coin drop diagnostic tests phase power supply Refer to programming manual Production Test Cycle section Exit diagnostic testing and reset control Prompting for vend price Does the display on the electronic control increment properly Is connector H5 on the Reconnect and run control firmly seated in diagnostic test its receptacle again Is the 3 pin connector Reconnect and run between coin drop and diagnostic test control connected again correctly Are wires exiting coin drop optical sensor Replace coin drop cracked or broken Replace coin drop If problem still exists then replace the electronic control TMB248S 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting 38 Control Has No Display Gas steam and electric heat 1 Single and three phase power supply Is there power supplied Plug unit in and to the unit start cycle Correct wiring Is there 120 VAC at input between primary of primary fuses fuse and power supply Is there 120 VAC at output side of the primary fuses Replace primary fuse s Correct wiri
83. UR r MOTOR RELAY WITCH SVITCH BRN RED BLK BRN WHT STEAM DR THERMAL amp DIL VALVE ORG BRN T MT NI gt SWITCH Q TMB2246S 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 123 On Premise Micro Control OM Troubleshooting 64 Unit Will Not Heat Electric All voltage checks are referenced to transformer neutral Note Tests are conducted with Unit Will Not 4 unit running and calling for heat Heat Electric Is there voltage at H2 5 of control voltage on BRN WH wire on motor contactor Is there voltage to terminal 3 of the motor contactor Is there voltage at terminal 5 of the fan motor Is the thermistor operational Yes between H2 5 and motor contactor Correct wiring between motor terminal 3 and motor contactor Check motor for proper operation Replace if necessary Is there voltage to the input of the cabinet limit Repla i 4 7 Is there Check cabinet i voltage to the limit for proper output of the operation cabinet Replace Is there No Correct wiring limit if necessary Is there voltage to the common of the switch and airflow bu Is there switch
84. Ww SECONDARY 4 neb a PE BUZZER G 5 AT 14 e 4 seme Ko mete RG BRN BUZZER HEAT RELAY 9 FAN MOTOR yo pin RED ALK WF RELAY ONLY WHEN DOOR 15 Hato yT CLOSED amp SWITCH IS PRESSED Gx fais e AIR FLOW SWITCH MONITOR FOR AFS PROVING CIRCUIT R POR a 126 LIMIT THERMOSTAT RED WHT S RED WHT g COM 6 H5 G G LINT 1234567 897 6105 1342121 DRAWER tH Ht TH TH i SWITCH 298 d235 dig FHF RED BLK E RED BLK zi SEs NO COM 1 i 5 pu z E B 8 amp ES 3 lee Lex ne RN 1 2 3 1 2 3 cr owe Laos EMPERATUR SWITCH SWITCH SWITCH TIME DISPLAY sme AIR FLOW SWITCH No eme STOVI LIMIT THERMOS GAS VALVE FIRST COIL 1 2 NO HEAT 2 LOW SECOND COIL A 1 MED 00 HIGH TEMPERATURE 20765 SELECTOR SWITCH 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 151 Hybrid Timer Control Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels rem
85. d 6 of EU No Display Replace transformer if necessary Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Correct wiring between DS and LDS Check DS for proper operation Replace if necessary Correct wiring between fuse F3 and DS Check fuse F3 for proper operation Replace if necessary Correct wiring between transformer and fuse F3 18095 70398301 NetMaster Troubleshooting CE Models Door Open Indicator xs u T m N Wee E 1 18105 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 99 NetMaster Troubleshooting 55 CE Models No Start Run Note Voltage checks Note Common can be referenced to neutral or live wire transformer depending on voltage neutral unless and phase otherwise stated 1 4 Check for proper operation of relay Replace if necessary Yes Is there line voltage across terminals 1 and 4 of the motor Yes Check operation of motor Replace if necessary Is there voltage across the coil of the motor relay No 2 5 Is there voltage on the output side of the motor relay terminals Check to common Yes Correct wiring between control and motor relay Yes Correct wiring Is there voltage across H2 4 and H2 6 of the control between motor relay and motor No 3 6 Is there volta
86. e setscrews and bushing pret Yes Replace or broken gt adjust belt or loose Check cylinder for binding Yes Refer to cylinder Adjustments binding Section for proper cylinder adjustment Does cylinder turn Switch power counterclockwise when Yes leads L1 and viewed from front of L2 to correct machine 3 Phase rotation models only 18755 14 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 4 Motor Does Not Stop 70398301 Motor does not stop Is door switch inoperative No Non Metered Models Is timer or relay inoperative No Metered Models Is accumulator inoperative No Is wiring incorrect Is motor relay or motor contactor inoperative Yes Test switch and Yes gt replace if inoperative Test timer and relay and Yes replace if inoperative Test accumulator Yes and replace if inoperative Refer to wiring diagram Yes located inside contactor box Check relay contactor and replace if inoperative Troubleshooting 18765 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 15 Troubleshooting 5 Heating Element Does Not Heat or Burner Does Not Ignite Heating element does not heat or burner does not ignite Is there improper or inadequate exhaust or ake up ai
87. e Laundry Systems LLC DO NOT COPY or TRANSMIT Section 1 Safety Information Throughout this manual and on machine decals you will find precautionary statements CAUTION WARNING and DANGER followed by specific instructions These precautions are intended for the personal safety of the operator user servicer and those maintaining the machine Danger indicates an imminently hazardous situation that if not avoided will cause severe personal injury or death Warning indicates a hazardous situation that if not avoided could cause severe personal injury or death CAUTION Caution indicates a hazardous situation that if not avoided may cause minor or moderate personal injury or property damage Additional precautionary statements IMPORTANT and are followed by specific instructions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not followed NOTE The word NOTE is used to communicate installation operation maintenance or servicing information that is important but not hazard related 4 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT In the interest of safety some general precautions relating to the operation of this machine follow Failure to install maintain and or operate this product according to the manufacturer s instructions
88. eet altitude Refer to Installation Manual Continued on next page 18775 70398301 Troubleshooting 5 Heating Element Does Not Heat or Burner Does Not Ignite continued Continued from previous page Gas Models Are gas valve coils inoperative Gas Models Is igniter inoperative Gas Models Is igniter control inoperative Gas and Electric Models Is high limit thermostat inoperative Test coils and replace if available as a service part otherwise replace valve Test igniter and replace if inoperative Test igniter control and replace if inoperative Test thermostat and replace if inoperative 70398301 Gas and Electric Models Is airflow switch inoperative No Gas and Electric Models Is airflow switch out of adjustment Is lint door panel not closed properly Is there broken loose or incorrect wiring Clean lint compartment after every eight hour shift Check back draft damper for foreign objects lint accumulation or other causes that may prevent damper from opening Check ductwork for lint build up Refer to Installation Manual to ensure that ductwork and make up air openings are sized properly Check exhaust outlet If a screen has been installed on the outlet it may be clogged with lint or frozen over in winter NEVER i
89. ements No Yes Disassemble and restricted or blocked 24 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT clean exhaust system 18845 70398301 13 Loading Door Opens During Operation 70398301 Loading door opens during operation Is door strike Yes improperly adjusted Is tumbler Yes Refer to Adjustments Section for door strike adjustment improperly leveled Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Refer to Installation Manual for leveling leg adjustment Troubleshooting 18855 25 Troubleshooting 14 Tumbler Runs But No Steam To Coils Steam Models Tumbler runs but no steam to coils Steam Models Check all valves in Are valves Yes supply and closed return lines make sure they No are open Remove trap Is steam trap Yes and clean blocked Replace if inoperative No Is solenoid valve Yes oneri gt operation of inoperative 4 solenoid valve No Check for inlet and Is check valve Yes outlet markings on incorrectly installed check valve and invert if necessary No Yes i Is strainer clogged Remove and clean No Test timer Test thermistor by removing harness from thermistor terminals Check Yes resistance across te
90. ems LLC DO NOT COPY or TRANSMIT BRN WHT 4 LJ 0 WHT I e wHT 78I Ww cte 6 00 Mu COT Md 9 VLT 9 MULT VHT GAS VALVE First con SECOND COIL TMB22548 70398301 On Premise Micro Control OM Troubleshooting 62 Unit Will Not Heat Gas All voltage checks are referenced to transformer neutral Note Tests are conducted with Unit Will Not unit running and calling for heat Heat Gas Is there voltage at H2 5 of control voltage on BRN WH wire on motor contactor Is there voltage to terminal 3 of the motor contactor Is there voltage at terminal 5 of the fan motor Is the thermistor operational Yes No Correct wiring between H2 5 and motor contactor Correct wiring between motor terminal 3 and motor contactor Check motor for proper operation Replace if necessary 70398301 Is there voltage to the input of the cabinet limit Replace Replace Is there Check cabinet thermistor control voltage to the limit for proper output of the operation cabinet Replace 15 there limit if necessary 15 there voltage to the common of the switch and Is there cabinet limit voltage at WHT BRN Replace motor wire on
91. entrifugal centrifugal switch Switch and terminal 4 of motor control relay Is there 24 VAC across terminals 3 amp 5 of fan motor Replace fan motor centrifugal switch Correct wiring Is there 24 VAC to the between cabinet input side of the limit and terminal 5 cabinet limit of fan motor centrifugal switch Is there 24 VAC across Replace cabinet cabinet limit limit Is there 24 VAC to the Correct wiring input side of the stove between stove limit limit and cabinet limit 69 Micro Display Control MDC Troubleshooting 41 Unit Will Not Heat Gas continued 12 Is there 24 VAC across the stove limit NO 13 Is there 24 VAC to terminal 2 of the Ignition Control Module ICM NO YES 14 Is there 24 VAC at NO terminal 1 of ICM board YES 15 Is there 24 VAC across NO the coils of the gas valve YES Replace the stove limit Correct wiring between terminal 2 of ICM and stove limit Note Make sure unit is not in a lock out condition Replace ICM board Correct wiring between gas valve and ICM board Is there a flame NO NO Is there gas flow through the gas valve YES NO Does the igniter spark YES Replace gas valve coils or complete gas valve Replace high voltage ignition cable igniter or ICM board Please see following page for wiring diag
92. ere voltage to L1 L2 and L3 of the M contactor If actuated replace inoperative Switch If not actuated adjust Switch as needed Correct wiring between micro control and door switch Replace micro control No Correct the wiring to the M contactor Correct wiring between M contactor and supply voltage Continued on next page 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 18975 70398301 Troubleshooting 27 OM Control No Fan Motor Rotation With Cycle Selected and Start Pressed continued Continued from previous page Is there voltage to T1 T2 and No Replace M gt of the contactor contactor Yes Is there voltage Correct wiring across L1 L2 No between motor and L3 of the and M motor contactor Yes Unit operational TMB1897S b 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 45 Troubleshooting 28 OM Reversing Control No Cylinder Rotation or Reversing Capabilities 208 240 Volt 60 Hertz 3 Phase and 480 Volt 60 Hertz 3 Phase Electric Models 208 240 Volt 60 Hertz 3 Phase and 460 480 Volt 60 Hertz 3 Phase Gas and Steam Models OM Reversing Models No cylinder rotation or reversing capabilities Correct wiring
93. g Unit Will Not Heat Gas TBI gt lt TBi L1 SERVICE CONNECTION Y TBI ri TBI N 9 2 E 5 5 3 i 5 E 3 k 5 FAN PRIMARY MOTOR FUSE AGC 2 8 120V TRANSFORMER La THERMISTOR p WHT SECONDARY FUSE MDL 3 5A 90 RED WHT 9 0 0 O _ e WHT BLU RED 6 NETMASTER CONTROL sl E 9 GRN YEL VOLTAGE CONFIGURATION INPUT TEMP REGULATING ue s JUMPER H2 2 TU He 5 AS FOLLOWS CONTROL IRCUIT CONTROLS POE COMME RR RUN ac 68K ohm 5 wa 2 SECONDARY 240Vac 136K ohm 10 watt 41 CHASSIS GROUND FUSE H 125 T DOOR SENSING CIRCUIT ALLOWS N MOTOR CONTROL TO TURN RELAY ONLY WHEN DOOR IS CLUSED amp SWITCH IS PRESSED MOTOR RELAY WHT LINT PANEL SWITCH esa V DOOR SWITCH PULSE INPUT 7 2 START H7 1 amp 9 30ma TIME 45msec MINIMUM AVAILABLE DUTPUT 7 3 amp H7 4 WHEN MACHINE RUNNING mox 88Vdc Imax NO COM NOTE FOR NETWORK APPLICATIONS SEE SUPLEMENTAL NETWORK DIAGRAM VEND APPLICATIDN DETAIL IGNITOR M CABINET STOVE LIMIT LIMIT THERMOSTAT THERMOSTA Copyright Allia
94. g timer door closed Manual Timer Models Is there 24 Is there 24 volts volts on across coil terminal B terminals of of drying control relay Is there 24 No Check electrical timer volts into door service to tumbler switch transformer fuses Yes Is there 24 No Has door volts out of Switch been prc door switch actuated Yes Yes Replace door Switch Is there 24 volts on terminal 5 of control relay Replace relay Is there 24 volts out of lint panel Switch Has lint panel switch been actuated Replace lint Is there 24 Check for panel switch volts into push broken wire from control relay terminal Switch 5 Check lint Is there 24 panel switch for volts at broken wire or terminal 3 of poor control relay connection at UNT DMD Continued on next page TMB1889S a 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 31 Troubleshooting 19 Tumbler Will Not Start Time on Drying Timer Door Closed Manual Timer Models continued Continued from previous page Press push to start switch Is there 24 volts out of push to Replace push to start switch start switch Is there 24 volts to motor relay coil Check for broken
95. gas and gas pressures are supplied Verify that the control is not going into lockout 18135 Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 103 NetMaster Troubleshooting CE Models Will Not Heat Gas 5 e c 18145 104 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 NetMaster Troubleshooting 57 CE Models Will Not Heat Steam CE Models Will Not Heat Steam Note Voltage checks referenced to neutral unless otherwise Check for proper operation of 15 there voltage on motor Replace motor if necessary Is there No Correct wiring between FS 2 and K2 terminal 14 voltage on FS 2 on the control Is there voltage across the coil of the Correct wiring between steam solenoid and motor switch Check thermistor for proper operation Replace if needed Replace control if thermistor is okay Is there voltage at FS 1 on the control Does the No Replace steam valve m valve open steam valve 15 there voltage to terminal 3 of the motor Correct wiring between the motor and FS 1 on the control Check for correct steam supply Verify that steam was connected according to the Installation Manual
96. ge on the input side of the motor relay terminals Check to common line Yes Press start button If machine doesn t start replace control No Correct wiring from line supply voltage to motor relay Is there voltage to H2 1 on the control Yes No Correct wiring to control Refer to EU Door Open Indicator TMB1811S 100 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 NetMaster Troubleshooting CE Models No Start Run 18125 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 101 NetMaster Troubleshooting 56 CE Models Will Not Heat Gas Note Voltage checks Note Test conducted referenced to neutral with unit running and calling for heat 1 Is there voltage on Yes 2 of the control Yes 3 Is there voltage at terminal 3 of the motor Yes 4 Is there voltage at terminal 5 of the motor Yes 5 input side of the cabinet limit Yes 6 output side of the cabinet limit CT Yes 102 FS 2 on the control Is there voltage at FS 1 Is there voltage to the Is there voltage to the unless otherwise stated Check airflow No switch AFS for proper operation If needed correct wiring between AFS and FS 2 Check thermistor for No proper operation Replace if necessary Replace control if thermistor is good Correct wiring No bet
97. ge to the input side of the cabinet limit Correct wiring between cabinet limit and terminal 5 of fan motor centrifugal switch Is there voltage across cabinet limit Yes Replace cabinet limit Is there voltage to the input side of the stove limit Correct wiring between stove mit and cabinet limit Is there voltage across the stove limit Yes Replace the stove limit continued on next page 22615 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 149 Hybrid Timer Control Troubleshooting 75 Unit Will Not Heat Electric QT and RQ Control Suffixes continued continued from previous page Is there voltage across the coil s of the heater contactor s Is there voltage to the L1 L2 and L3 terminals of HC1 Is there voltage to the L1 L2 and L3 terminals of HC2 Yes 13 14 15 Is there voltage across L3 amp L1 L1 amp L2 and L2 amp L3 Is the airflow switch working properly Correct wiring between heater contactor and stove limit Correct wiring between HC1 and line voltage Correct wiring between HC2 and line voltage Check for proper operation of contactors replace them if necessary
98. huts Off Prematurely 19 8 Heating Element or Burner Repeatedly Cycles Off On High Limit Thermostat eese 20 9 Heating Element or Burner Does Not Shut Off 21 10 Clothes Do Not 22 11 Tumbler Overheating eene 23 12 Burners Not Burning Properly Gas Models 24 13 Loading Door Opens During 25 14 Tumbler Runs But No Steam To Coils Steam Models 26 15 Water In Steam Line Steam 5 27 16 Door Open Light and Display Flash With Door Closed Electronic Control Models eee 28 17 Display Shows and Signals Sounds Electronic Control Models 29 18 Display Shows and Signal Sounds Three Minutes After Tumbler is Started Electronic Control Models 30 19 Tumbler Will Not Start Time on Drying Timer Door Closed Manual Timer Models esee 31 20 Motor Runs Time on Drying Timer But No Heat 33 21 No Main Burner Flame Igniter Does Not Spark 35 22 Steam OM Control No Heat With Cycle Selected Unit Running and Calling Fot Heat si 6 dada eodd omues die 36 23 OM and RM Control No Start With Cycle Selected Start Button Pressed and Door Closed
99. k for prope gas pressure 3 5 water column inches for Natural Gas 10 5 water column inches for L P Gas Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT No Correct wiring between gas valve and IEI board Continue to next step Replace gas valve TMB1900S b Troubleshooting 31 CD Control No Start With Vend Satisfied and Start Button Pushed 240 Volt 60 Hertz 1 Phase Gas Nonreversing NOTE voltage checks are referenced to neutral unless stated otherwise CD Models No start with vend satisfied and start button pushed Is there voltage to the NC terminal of switch A Is there voltage to COM terminal of switch A Is there voltage to H1 2 on time delay board Is there voltage to H1 3 on time delay board Is there voltage to COM terminal of the door switch Correct wiring between L1 and TB1 and switch A Check for proper operation of Switch A Replace Switch A if necessary Correct wiring between switch A and H1 2 at time delay board Replace time delay board Correct wiring between door switch and switch A of the rotary coin drop With the door closed is there voltage to the N O terminal of the door switch Is there power at COM of lint panel Switch
100. ld be made when the cylinder is empty a Open loading door and check the gap between the center of the front panel top flange and the cylinder rim Proper adjustment is when the gap is 1 2 3 4 inch 12 7 19 05 mm Refer to Figure 6 b Remove drive guard c Loosen the four trunnion housing bolts Refer to Figure 4 d Loosen the locknuts on the trunnion housing adjusting bolts Refer to Figure 4 e Turn the adjusting bolts in or out as necessary to obtain proper clearance between cylinder rim and front panel NOTE Turning the adjusting bolts clockwise will raise the cylinder and turning them counter clockwise will lower the cylinder Turn both bolts evenly to adjust top and bottom clearance Turn one or the other adjusting bolt in or out to adjust side clearance f After the cylinder is properly adjusted tighten the adjusting bolt locknuts and the four trunnion housing bolts g Install the belt guard removed in Step b NOTE If adjusting the trunnion housing fails to correct the clearance the problem is probably due to a worn trunnion shaft or bearings NOTE Use Kit M4763P3 to upgrade from two washers to one spacer on machines made prior to serial number 0902XX XXX to ensure proper cylinder and front panel alignment to prevent the possiblity of forward cylinder movement and rubbing against the front panel Cylinder Rim Front Panel Flange 9 32 1 32 Clearance Panel Flange Fore Aft
101. lliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 NetMaster Troubleshooting CE Models Will Not Heat Electric TMB1818S 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 109 Section 7 On Premise Micro Control OM Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 110 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 59 Control Has No Display Control Has No Display Is there power supplied to the unit No Plug unit in and start cycle On Premise Micro Control OM Troubleshooting Gas steam and electric heat Single and three phase power supply Is there 120 VAC at input of primary fuses Correct wiring between primary fuse and power supply Is there 120 VAC at output side of the primary fuses Replace primary fuse s Is there 120 VAC across terminals 1 amp 2 of transformer primary No Correct
102. loose wire at harness plug en Check for p No broken wire burner high 2 from airflow switch thermostat Yes Continued on next page 18905 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 33 Troubleshooting 20 Motor Runs Time on Drying Timer But No Heat continued Continued from previous page Is there power out of Replace burner burner high high limit limit thermostat isih thermostat st je Check for E i broken wire cabinet high from motor switch thermostat Check for loose Is there or broken wire power into from cabinet airflow switch M limit Is there power out of Replace cabinet high 52 limit thermostat Is there power out Yes of airflow Switch Check for loose Is airflow or burned switch connection at closed harness plugs Adjust airflow Replace airflow switch Switch 18905 34 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 21 No Burner Flame Igniter Does Not Spark No main burner flame igniter does not spark Is igniter No sparking Yes Is green wire from IEI control connected to ground terminal 15 gas shut off valve open Is IEI control
103. ls of the valve and gas valve ICM board Is there gas flow Replace gas through the gas valve coils or valve complete gas valve TMB2255S b Please see following page for wiring diagram information 120 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 On Premise Micro Control OM Troubleshooting Unit Will Not Heat Gas G o TBI Lt SERVICE CONNECTION 4 a TBI TBI N FAN MOTOR PRIMARY FUSE AGC 2 1 TRANSFORMER QOO 24 15 4 THERMISTOR RED BLU 0000600060050 8 529 949 7 chassis 5 GROUND FUSE 8 L254 g H4 20 SECONDARY B4VAC EXT RET MDL 35A E 24 EXT 5 39 H 4d g EXT 1 RET REA 14 1 ete NT gt 3 4 10 1 9 SVITCH Me oa 4 MOTOR RELAY i i 9 8 RED 9 8 reBk URG COM ND CABINET LIMIT THERMOSTAT TMB22428 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 121 On Premise Micro Control OM Troubleshooting 63 Unit Will Not Heat Steam Note Tests are conducted with unit running and calling for heat Unit Will Not All voltage checks are referenced Heat Steam to transformer neutral Is there voltage at H2 5 of control
104. mal Oil Electric 0501 HT050D 0501 0508 050 050 050 0501 PA050N 050 KUO050S CHDSOE2 CTOSOE CHD50G2 CA050L 050 PTOSOL 0050 KUOSOT 50 2 0050 CHD50G2 CA050N HUOS50L 050 CHD50S2 CT050S 170505 DR50E2 BTO50E CHD50G2 CTO50L HUO050N PUOSOL CHD50S2 CU050S LTOSOT DR50E2 BU050E CHD50G2 CTO050N IPD50G2 ITOSO0L PUOS50N 050 LUOSOS GTOSOE CHD50G2 CU050L IPD50G2 ITOSON 050 CUOSOT LUOSOT GUOSOE CHD50G2 CU050N KA050L 050 DR50S2 BTOS0S 505 050 DR50G2 BA050L 050 STOSOD DR50S2 BUOSOS 050 HUOSOE DR50G2 BA050N 0501 STOSOL GTO050S PUOSOS IPDS5OE2 ITOSOE 50 DR50G2 BTOS0L 050 5 7050 GTOSOT PUOSOT 050 Pound DR50G2 BT050N KU050L SUOSOL GU050S 570505 KUOSOE DR50G2 BU050L 0050 50050 GUO050T STOSOT LTOSOE DR50G2 BU050N 0501 UAOSOL HTOS50S SUOSOS LUOSOE GAO50L LAOSON UA050N 050 SUOSOT PTOSOE GAO050N LTOS0L UTOSOL 00505 UTOSOS PUOSOE 0501 LTO50N UTOSON HUOSOT UTOSOT STOSOE 050 LUOSOL 000501 5052 1705058 000505 SUOSOE GUO50L LUOSON UUO050N 17050 UUOSOT UTOSOE GUO050N NTOSOL YTOSOL 0505 0505 UUOSOE HAO050L NT050N Y T050N YTOSOT 050 050 continued Introduction Gas Steam Thermal Oil Electric ATO75L HTO75L PTO75N 0755 KUO75T 075 ATO75N 075 PUO75L 075 LTO758 75 2 075 CHD75G2 CA075
105. minals L2 amp T2 and L3 amp T3 Is there supply voltage Replace motor Correct wiring between L2 L3 and supply Replace motor control relay at terminal 8 of motor control relay control relay Is there supply voltage at terminal 6 of motor control relay Is there supply voltage to L1 and L2 of the motor control relay Correct wiring between L1 L2 and power supply Is there supply voltage at terminal 9 of motor control relay Is there supply voltage across L1 amp T1 andL2 amp T2 Replace motor control relay Correct wiring between terminal 6 of motor control relay and supply Replace motor control relay 66 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Micro Display Control MDC Troubleshooting 40 Motor Will Not Start Run continued 9 Correct wiring between motor and motor control relay Is there supply voltage across terminals 1 amp 4 of motor Does the motor run Replace motor Motor is operational Note For high voltage three phase supply 200 volts or higher the motor is supplied by L1 L2 L3 through the motor contactor terminals T1 T2 T3 Make the appropriate adjustments when doing voltage checks 2515 70398301 Please see following page for wiring diagram information Copyright Alliance Laundry
106. motor contactor contactor Is there Check for proper voltage to the N O terminal of the airflow switch Is there voltage to the input of the stove limit Continued on next page Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Correct wiring between cabinet limit and terminal 5 of fan motor Correct wiring between airflow operation of airflow switch Replace if necessary Correct wiring between stove limit and normally open terminal of the airflow switch 22555 119 On Premise Micro Control OM Troubleshooting 62 Unit Will Not Heat Gas continued Continued from previous page Replace high Is there Check operation Does the igniter voltage ignition voltage to the of stove limit spark cable igniter or output side of the Replace if ICM board stove limit necessary Is there m voltage to cored d Is there a Unit terminal 2 of the operational Ignition Control of Module ICM lirait No Note Make sure unit is not in a lockout condition Is there voltage at No Replace terminal 1 of ICM board ICM board Is there Correct wiring voltage across between gas the coi
107. n Pressed In NOTE voltage checks are referenced to neutral unless stated otherwise CD Models No start with vend satisfied and start button pressed in Is there voltage to NC terminal of switch A 15 there voltage to the COM terminal of switch A Is there voltage to H1 2 at time delay board Is there voltage to H1 3 at time delay board s there voltage to the common Correct wiring between L1 and switch A Check for proper operation of switch A Replace switch A if necessary Correct wiring between switch A and H1 2 at time delay board Replace time delay board Correct wiring between door terminal of the switch and door switch Switch A 48 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT With the door closed is there voltage to the N O terminal of the door switch 15 there voltage at COM of lint panel switch Is there voltage to NO of lint panel switch Is there voltage to the input side of the Push To Start button Check door switch for proper operation replace if necessary Correct wiring between door switch and lint panel switch Adjust switch as needed Correct wiring between start switch and lint panel switch Continued on next page
108. nce Laundry Systems LLC DO NOT COPY or TRANSMIT TMB1802S 70398301 51 Unit Will Not Heat Steam Note Tests are conducted with unit running and calling for heat All voltage checks are referenced to transformer neutral 1 Is there voltage FS 2 of control Yes thermistor 2 Is there voltage No No on FS 1 of control Is the Yes 3 Is there voltage to the No N O terminal of the motor control relay Yes 4 Is there voltage on terminal 3 of fan motor centrifugal switch Yes No 5 Yes Is there voltage across terminals 3 and 5 of fan motor centrifugal switch 6 Is there voltage across No the coil of the steam valve Yes 70398301 thermistor operational Correct wiring between FS 2 and N O of lint panel switch Replace control Yes Correct wiring between N O terminals of motor control relay and FS 1 Correct wiring between terminal 3 of fan motor centrifugal switch and motor control relay Replace fan motor Correct the wiring between the steam valve and the fan motor switch NetMaster Troubleshooting No Check steam valve Does the steam valve for proper operation open Replace if necessary Yes Verify that the correct steam is supplied to the unit Verify that the steam valve and other items were installed according to the
109. nel and loading switch door switch Is there Correct wiring voltage to the No to transformer primary of the primary transformer Check fuses Check lint switch voltage to the p terminal of operation the lint panel switch Replace if Is there 24 VAC T across terminals 2 Replace amp 3 of transformer transformer secondary Correct wirin Yes voltage to s between micro terminal H2 8 control and lint 22 on the micro Is there Correct wiring sonrai panel switch voltage to the No between door COM terminal Switch and of the door transformer switch Check fuse Is there iti iba on Replace micro terminal H2 7 P control Is there Check door on the micro voltage to the Switch for control N O terminal proper of the door operation switch Replace if necessary Continued on next page Yes TMB1893S a 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 37 Troubleshooting 23 OM and RM Control No Start With Cycle Selected Start Button Pressed and Door Closed continued Continued from previous page Is there Correct wiring 15 there voltage across between motor voltage to the Replace motor the coil of relay and micro output of the relay control motor relay motor relay 15 there Correct wiring Does the voltage to the between motor moto
110. ng Check control Replace if inoperative Indicates a short circuit in the thermistor Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative EC 19 Indicates no communication between Check card reader Replace if inoperative control and card reader Check wire harness connecting card reader Card Reader and control Replace if inoperative models only Check control Replace if inoperative 78 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Section 6 NetMaster Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 79 NetMaster Troubleshooting 45 No Infrared Communication Attempt to communicate with the electronic control from the Micro Wand Is there a response of any kind from the electronic control Does the electronic control display E OF or C Check
111. ng between primary fuse and transformer Is there 120 VAC across terminals 1 amp 2 of transformer primary Is there 24 VAC across terminals 1 amp 4 of transformer secondary Replace transformer Correct wiring between secondary fuse and transformer Is there 24 VAC at the input of the secondary fuse Is there 24 VAC at output side of secondary fuse Replace secondary fuse 1 there 24 VAC across H1 1 amp H1 3 on the control Replace Electronic Control Correct wiring between control and secondary fuse TMB249S 62 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Micro Display Control MDC Troubleshooting Control Has No Display e TBI Li x 1 TBI N FAN MOTOR THERMISTOR WHT BLU WHT WHT RED WHT BLK MDC CONTROL VOLTAGE CONFIGURATION INPUT TEMP REGULATING CIRCUIT CONTROLS HEAT RELAY H2 5 JUMPER 2 TU He 5 AS FOLLOWS CONTROL 4 _ WIRE JUMPER POWER 120 68K ohm 5 watt SUPPLY 240Vac 136 ohm 10 watt CHASSIS GROUND 24Vac Ret DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN DN MOTOR 6 RELAY ONLY WHEN DOOR IS Door Sense Ret CLOSED amp SWITCH 1 PRESSED 2 SECONDARY T FUSE H I 4 ar MDL 3 5A ME RED BLU a 4 RED BLK RED BLK MOTOR RELAY
112. nstall a screen over the exhaust outlet Yes Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Refer to Adjustments Section for airflow switch adjustment Open lint door panel Place lint door panel back on tumbler ensuring a tight fit Refer to wiring diagram located inside contactor box 18775 17 Troubleshooting 6 Igniter Does Not Shut Off After Gas Ignition Gas Burner Igniter does not shut off after gas ignition gas burner Is tumbler not Tumbler is equipped for type of gas specified on Yes yp g p tor serial plate at 0 2 000 21 9 feet altitude Refer to Installation Manual No Open partially Is there insutficiant gs Yes closed gas shut off valve or correct low PPS gas pressure No Refer to Is burner flame Yes Adjustmanis adjusted Section for improperly recommended propery burner flame adjustment No Check Is electrode assembly Yes assembly for incorrectly installed correct alignment No Test igniter Is igniter control Yes control and inoperative replace if inoperative No Refer to wiring Is wiring Yes diagram incorrect 18 located inside contactor box TMB1878S Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Troubleshooting 7 Heating
113. of air supplied to the burner while closing the shutter decreases the air supply Adjust air shutter as follows PROPER INSUFFICIENT AIRFLOW AIRFLOW Air Shutter Air Shutter Adjusting Screws Figure 1 Adjusting Screws heater section Too little air is indicated if the flame is yellow lazy and smoky To adjust the air inlet shutter loosen adjusting screws Push or pull shutters in or out as necessary to obtain desired flame intensity After shutter is adjusted tighten locking screw securely Ifthe shutter is correctly adjusted but the flame pattern is straight up insufficient air is flowing through the tumbler and airflow switch is improperly set A flame pattern that flares to the right and left indicates that no air is flowing through the tumbler Adjust airflow switch Air Shutter Adjusting Screws TMB1780S 54 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Adjustments To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 33 Airflow Switch Gas and Elec
114. of fan motor centrifugal switch Replace cabinet limit Correct wiring between stove limit and cabinet limit 70398301 Micro Display Control MDC Troubleshooting 42 Unit Will Not Heat Steam continued 12 Is there 24 VAC across the stove limit Replace the stove limit Correct wiring Is there 24 VAC across between steam the coil of the steam valve valve and stove limit Does the steam valve Replace steam open allowing steam to flow valve Unit operational 2535 Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 73 Micro Display Control MDC Troubleshooting Unit Will Not Heat Steam 95058 0410 N lal n8 11 11 wa HOLIAS Won 3191435 SOLOW LHM 4HM LIA LTA LHM 050 Naq Hite LHM N amp E 8 9 L 719130 192 144 33S gt 827 596599 999 vee E v 9 m 9H T SH m 9089 NIOJ N 2 82 lt gt DNINNNA 8 lt s N3HA 330 5 3 m
115. on Replace micro control if necessary voltage across Is there voltage to the input of the motor relay Correct wiring between motor relay and micro control Is there voltage to the output of the motor relay Replace motor relay 36 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Is there voltage to the input of the motor switch Correct wiring to motor switch Is there Replace motor output of the Smee Correct wiring to steam valve coil the steam valve coil Unit operational If unit still does not heat check steam supply TMB1892S 70398301 Troubleshooting 23 OM and RM Control No Start With Cycle Selected Start Button Pressed and Door Closed 120 Volt 60 Hertz 1 Phase Gas and Steam Nonreversing 208 240 Volt 60 Hertz 1 or 3 Phase Steam Nonreversing 208 240 Volt 60 Hertz 3 Phase Electric Nonreversing 460 480 Volt 60 Hertz 3 Phase Gas Electric and Steam Nonreversing OM and RM Models No start with cycle selected start button pressed and door closed Is there Correct wiring voltage to the between lint COM terminal panel switch of the lint pa
116. ondition persists 1 Check resistance of high tension lead approximately 1000 ohms inch and replace if not within resistance range 2 Check voltage present at valve 3 Check that machine is properly grounded 4 Check the gap between igniter and burner tube gap should be 1 4 3 8 inch 5 Check that burner ports are not blocked or plugged under the igniter 70398301 Section 3 Troubleshooting To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded IMPORTANT Refer to appropriate wiring diagram for aid in testing tumbler components 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 11 Troubleshooting 1 Motor Does Not Start Motor does not start Check power and fuses Replace fuses if necessary Is electrical power off or Yes have any fuses blown Close door or No test switch and replace if inoperative Is loading door P Yes open or is door switch inoperative Close lint door confirm switch is positioned
117. or TRANSMIT flame Replace gas valve or coils of Is there E gas valve Correct wiring voltage to between terminal 2 of e DN ignition control the ignition S and stove limit control Unit operational 18965 Troubleshooting 27 OM Control No Fan Motor Rotation With Cycle Selected and Start Pressed 208 240 Volt 60 Hertz 3 Phase and 480 Volt 60 Hertz 3 Phase Electric Reversing Models 208 240 Volt 60 Hertz 3 Phase and 460 480 Volt 60 Hertz 3 Phase Gas Reversing and Steam Models OM Models No fan motor rotation with cycle selected and start pressed Is there voltage across the primary of the transformer Correct wiring to transformer Check fuses Is there 24 VAC across terminals 2 amp 3 of the transformer secondary Replace transformer Is there voltage to the COM of the door switch Correct wiring to door switch Check fuse Is there voltage to the N O terminal of the door switch Check door switch for proper operation Replace if necessary Is there voltage into lint panel switch Correct wiring between door switch and lint panel switch Is there voltage out of lint panel Switch Is there voltage to H2 8 of micro control Is there voltage to H2 7 of micro control Is there voltage across the coil of the M contactor Is th
118. oved Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 76 Error Codes Open thermistor error Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative SH Shorted thermistor error Check thermistor Replace if inoperative Check wiring between control and thermistor Refer to wiring diagram for proper wiring Check control Replace if inoperative Airflow switch closed when cycle started Check airflow switch Replace if inoperative Airflow switch failed to closed after cycle Check airflow switch Replace if inoperative started AF flashing Airflow stich opened closed 5 or more Check airflow switch Replace if inoperative times in a running cycle 152 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301
119. put Replace door switch of the door side of the transformer switch transformer continued on next page TMB2259S a 134 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting 69 Vend Satisfied No In Use LED SD and SX Control Suffixes continued continued from previous page the H6 connection Re seat the plugged in H6 connection securely on the to the control 2 there voltage Replace the control aN pt ihe door switch door switch Is the optic coupler Correct wiring harness Re seat s there voltage No between the connected optic coupler at COM of the door switch securely into the harness to the lint drawer and lint drawer control control switch switch harness there voltage No Replace the at N O of the lint drawer Replace the lint drawer switch opto coupler on Replace the switch the coin drop control Is Correct wiring nit is there power at between the MEE H3 1 and H3 3 lint drawer operational on the control switch and H3 on the control TMB2259S b 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 135 Hybrid Timer Control Troubleshooting 6 SERVICE CONNECTION i L LT BLU TBI N Vend Satisfied
120. r Are there blown fuses or tripped circuit breakers Is drying timer not selected or inoperative Is No Heat selected on control Is control relay inoperative Refer to Installation Manual for exhaust and make up air requirements Check fuses or circuit breakers Yes Set drying timer or replace if necessary Select temperature option Yes Test relay and replace if inoperative Yes No 16 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Is thermistor Yes inoperative Electric Models Are heating elements or contactors inoperative Test thermistor by removing harness from thermistor terminals Check resistance across terminals should read approximately 50 000 Ohms at 77 F Resistance should decrease witha temperature increase Replace thermistor if inoperative Check heat contactors and elements Replace if necessary Gas Models Is gas supply insufficient Yes Open partially closed gas shut off valve or correct low gas pressure Check inlet pressure and compare to pressure specified on serial plate pressure cannot be obtained contact gas supplier Gas Models Are orifices incorrect Yes Tumbler is equipped for type of gas specified on serial plate at 0 2 000 f
121. r Replace motor input of the relay and operate motor relay supply voltage Unit operational 18935 38 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Troubleshooting 24 OM Control No Display After Selecting One of the ON SELECT Keys 120 Volt 60 Hertz 1 Phase Gas and Steam Nonreversing 208 240 Volt 60 Hertz 1 Phase Gas and Steam Nonreversing 208 240 Volt 60 Hertz 3 Phase Gas and Steam Reversing Nonreversing 208 240 Volt 60 Hertz 3 Phase Electric Reversing Nonreversing 460 480 Volt 60 Hertz 3 Phase Gas Electric and Steam Reversing Nonreversing OM Models No display after selecting one of the on select keys Correct wiring Is there voltage between across the transformer primary of the and supply transformer voltage Check fuses Is there voltage to the input of Replace micro the fuse on the control micro control Is there 24 VAC across terminals 1 Replace amp 4 of transformer transformers secondary Is there voltage to Chaek fuse RP making sure it the opposite side is not blown of the fuse on the Replace if micro control necessary Is there 24 VAC Correct wiring across terminals H3 3 and H3 4 transformer the micro control Replace micro control TMB1894S
122. ram information 70 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Unit operational 2525 70398301 Micro Display Control MDC Troubleshooting Unit Will Not Heat Gas SssozaL 417 MT 7109 GND23S 7109 15414 JAYA 599 719130 N LLV2I ddV 33 lt i 555 5 see 9 r2 21 E 1 1L Of 6 1 Sana Y MDLINDI E 3 N3HA 330 0190 5 3 E EH 338v3IVA 28sugg 3WII 1v3H vwoe ull e I EH Lj Ld 378 02 1 3S 7d 1591 annoa9 SISSVHO 0355344 SI H2JIIAS 3 035019 SI X000 NIJHA AINO AYTA SOLOW NO Nanl 7051405 0779 11951 ONISN3S 004 A ddns 139 uuo 8 038 71 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 39A vg EE CUMINU2 s UT104 59 1 2 2H N3dWhr T3A N85 NOILYSNOIINOD 39V1 IDA 010 NV4 a al 2 MOLSIWYSHL is i i T w E 11 181 S e 70398301 Micro Display Control MDC Troubleshooting 42 Unit Will Not Heat Steam Note
123. rminals and fuse F1 NetMaster Troubleshooting CE Models No Display 70398301 18085 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 97 NetMaster Troubleshooting 54 CE Models Open Indicator Note All voltage checks are referenced to the transformer neutral No STEAM 98 unless otherwise stated 1 Is there voltage across Yes terminals H2 1 and H2 6 on the control No GAS 2 Is there voltage to normally closed terminal of the airflow switch Yes No 3 Is there voltage to the Yes common terminal of the airflow switch AFS No 4 Is there voltage to Yes output side of the lint door switch LDS No 5 Yes Is there voltage to common of LDS No Replace control Correct wiring between H2 1 on control and normally closed on airflow switch Check AFS for proper operation Replace if necessary Correct wiring between LDS and AFS Check LDS for proper operation Replace if necessary 6 Is there voltage to Yes output side of door switch DS No 7 Is there voltage to Yes common terminal on DS No 8 Is there voltage to Yes output side of fuse F3 No 9 Yes Is there voltage to input side of fuse F3 No 10 Is there voltage across Yes transformer secondary No Refer to steps 4 5 an
124. rminals should read approximately 50 000 Ohms at 77 F Resistance should decrease with a temperature increase Replace either if inoperative Is timer or thermistor inoperative TMB1886S 26 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Troubleshooting 15 Water In Steam Line Steam Models Water in steam line Steam Models 15 steam Perrio mm Y Installation piping ES gt Manual for installed steam requirements No Check trap for size and capacity If trap is ls irap Yes dirty or sluggish clean functioning gt improperly thoroughly or replace Check return line for high back pressure 18875 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 27 Troubleshooting 16 Door Open Light and Display Flash With Door Closed Electronic Control Models Door open light and display flash with door closed Electronic Control Models Is door switch Yes Replace door faulty Switch No Is lint panel Yes Replace lint Switch faulty panel switch No Check service connections to terminal block in junction box For 120 or 240 Volt tumblers neutral wire must be connected to terminal marked NEUT On single phase tumblers hot wire must be connected to terminal marked L1 A ground wire must be secured to the ground screw in
125. s continued Note Make sure unit continued from previous page 16 is not in a lock out condition Is there voltage Replace ICM Is there at terminal 1 of board Yes ICM board oard voltage across Replace cabinet limit cabinet limit T Is there voltage Correct wiring s there Correct wiring Across ihe coils ofthe between gas voltage to the input between stove gas valve valve and ICM side of the stove limit 1 and board limit 1 cabinet limit Replace gas Is there Yes Is there gas flow n cr or voltage across the Replace the through the gas complete gas ae 5 stove limit 1 stove limit valve valve Replace high Is there voltage Correct wiring Does the igniter voltage to input side of between stove spark ignition cable stove limit 2 limit 1 and or igniter stove limit 2 No Is there Yes Replace stove Is there a flame voltage across stove n Ns limit 2 limit 2 Unit Is there Correct wiring operational voltage to terminal 2 between terminal 2 of the Ignition Control of ICM and stove odule ICM limit 2 TMB2260S b 144 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Hybrid Timer Control Troubleshooting Unit Will Not Heat
126. the following Is IR communication disabled by manual programming Is the IR window on the control covered or blocked If needed change control board 80 Gas and electric heat Single and three phase power supply Check the following Is the battery low on the Micro Wand Aim Micro Wand Does the control Is the IR window covered or closer and try again respond blocked on the control If needed replace the electronic control Is the IR cap properly attached to Communication sequence checks out Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT the Micro Wand TMB1793S 70398301 NetMaster Troubleshooting 46 Coins Ignored When Entered Gas and electric heat Single and three phase power voltage Start coin drop diagnostic tests NOTE Refer to Programming Manual for test procedures Exit diagnostic testing and reset control Prompting for vend price Does the display on the electronic control increment properly Is connector H5 on the Reconnect and run control firmly seated in diagnostic test its receptacle again Is the 3 pin connector Reconnect and run between coin drop and diagnostic test control connected again correctly Are wires exiting coin drop optical sensor Replace coin drop cracked or broken Replace coin drop If problem still exists then replace the electronic control 1
127. there voltage at terminal 6 of motor control relay Replace motor control relay TMB20778 Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 139 140 Hybrid Timer Control Troubleshooting Motor Will Not Start Run SD and SX Control Suffixes 6 SERVICE CONNECTION N LT BLU PRIMARY FUSE AGC 2 TRANSFORMER THERMISTOR COIN CONTROL 5 VOLTAGE CONFIGURATION INPUT CONTROL JUMPER 5 1 H3 5 AS HEAT RELAY 24Vac WIRE JUMPER 8 xe WHT 2 BRN amp FAN MOTOR RELAY g wem eee RED BLK 4 576 WHT ke NHT BRN 4 4 oors 5A T HEAT RELAY MOTOR 250V CENTRIFUGAL M SWITCH H 5 DOOR 8 SWITCH 123455078 AVAILABLE OUTPUT E law AIR FLOW ee RED 9 LED NDIATOR SWITCI LIMIT THERMOSTAT VEND TME OP SWITCHES SEE INSTALLATION MANUAL imax 5mo LINT WIEN DETAILS ew DRAWER on com SWITCH m Hs d
128. tion replace terminal of switch B if switch B necessary Is there voltage to temperature control board Check for voltage at thermistor or correct wiring between thermostat and switch B Continued on next page 50 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT TMB1900S a 70398301 Troubleshooting 30 CD Control No Heat With Vend Satisfied and Unit Running continued Continued from previous page Is there voltage to temperature control board Is there voltage to the output Yes Does the igniter spark Is there voltage across V1 and V3 of the IEI board Disconnect thermistor wires and check resistance across terminals Should read approximately 50 000 Ohms at 77 F Resistance should decrease with a temperature increase Replace board if necessary No Correct wiring between IEI board and temperature control board Check for proper igniter gaps 5 16 inch above burner and 5 32 inch between electrode and grounding tab and resistance for high voltage lead between 5 000 and 25 000 Ohms Replace IEI board 70398301 s there voltage across the coils of the gas valve Is there a flame If yes unit is operational Is there gas pressure on the output side of the gas valve Chec
129. to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded Mounting Switch Adjusting Rear Screws Panel Of Tumbler in cm Airflow Switch M li _ Vane Switch Lever Lever Arm Counterweight psu Ip Counterweight 411 Figure 2 56 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 Adjustments To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 34 Loading Door Strike Refer to Figure 3 The door strike must be adjusted so it has sufficient tension to hold loading door closed against the force of a tumbling load The door strike is properly adjusted when 8 15 Ibs 17 6 33 kg of pull is required to open door To adjust open door loosen acorn nut and turn door strike screw in or out as required Retighten acorn nut TO48IE1A Figure 3
130. tove limit 1 Is there voltage across the stove limit 1 Is there voltage to input side of stove limit 2 Is there voltage across stove limit 2 Is there voltage to terminal 2 of the Ignition Control Module ICM Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Replace cabinet limit Correct wiring between stove limit 1 and cabinet limit Replace the stove limit Correct wiring between stove limit 1 and stove limit 2 Replace stove limit 2 Correct wiring between terminal 2 of ICM and stove limit 2 70398301 Hybrid Timer Control Troubleshooting 74 Unit Will Not Heat Gas QT RQ Control Suffixes continued Note Make sure unit is not in a lock out condition Is there voltage at NO terminal 1 of ICM Replace ICM board board YES 15 there voltage across Ng th ils of th B E cx and ICM board YES 15 Is the airflow switch no Replace airflow working properly switch YES Is there gas flow NO Replace gas valve through the gas valve coils or complete gas valve YES NO Replace high Does the igniter spark voltage ignition cable or igniter YES YES Is there a flame Unit operational NO TMB2006S Please see following page for wiring diagram information 70398301 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 147 Hybrid Timer Control Troubleshooting LT Unit Will
131. tric Models Refer to Figure 2 To reduce the risk of fire airflow switch operation may be affected by a clogged lint screen lack of make up air obstructions at the thimble or in the customer installed main or collector ducts These conditions must be checked and necessary corrections made before adjusting airflow switch Always adjust airflow at installation The airflow switch located on the rear of tumbler Figure 2 is set at the factory for proper operation However if there is a problem with the switch it should be adjusted as follows NOTE Steam models do not have an airflow switch NOTE Control panel must be in place and access door closed before attempting to adjust airflow switch IMPORTANT Airflow switch disc must remain closed during operation If it opens and closes during the drying cycle this indicates insufficient airflow through the tumbler If switch remains open or pops open and closed during the cycle the heating system will shut off The cylinder and fan will continue to operate even though the airflow switch is opened The airflow switch operation is controlled by the counterweight position on the shaft Moving the counterweight either increases or decreases airflow switch sensitivity The counterweight should be adjusted so the disc moves away from the cabinet when the lint panel is opened 1 1 2 inch 38 1 mm with a full load Adjust the airflow switch as follows a Load the tumbler
132. upply YES 3 Is there 120 VAC at NO Resse cana output side of the P y T fuse s primary fuses YES 4 Is there 120 across NO Correct wiring 2 between primary terminals 1 amp 2 of transformer primary transformer YES 5 Is there 24 VAC across NO terminals 2 amp 3 of Replace transformer secondary transformer YES Reference voltage checks to transformer neutral Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 6 NO Correct wiring between secondary Is there 24 VAC at the input of the secondary fuse fuse and transformer YES 7 Is there 24 VAC at NO output side of secondary fuse Replace secondary fuse YES 8 NO Correct wiring Is there 24 VAC at between N O and N O of door Switch output of secondary fuse YES 9 NO Check for proper With door closed is f nctionicf door there 24 VAC to COM of door switch Switch replace if necessary YES 10 NO Correct wiring Ie there 29 VAC di between N O on lint N O of lint drawer Switch drawer and COM on door switch YES 11 Is there 24 VAC at COM of lint drawer switch with lint panel closed NO Check for proper operation replace if necessary YES Correct wiring between H2 1 of electronic control and COM of lint drawer switch 2505 7039
133. ween FS 1 on the control and terminal 3 of the motor Check for proper No operation of the fan motor switch Replace motor if necessary No Correct wiring between cabinet limit and fan motor switch No Check cabinet limit for proper operation Replace if necessary 7 Is there voltage to input No side of the stove limit ST Yes 8 Is there voltage to the No output side of the stove limit Yes 9 Is there voltage to No terminal 4 on the ignition control Yes 10 Is there voltage to No terminal 2 on the ignition control Yes 11 Is there voltage on No terminal 6 of ignition control module Yes 12 Is there voltage across No the coil of the gas valve Yes Continued on next page Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Correct wiring between stove limit and cabinet limit Check stove limit for proper operation Replace if necessary Correct wiring between ignition control and stove limit Correct wiring between ignition control and lint door switch LDS Replace ignition control Correct wiring between ignition control and gas valve 70398301 NetMaster Troubleshooting 56 CE Models Will Not Heat Gas continued Does the gas ignite and stay on Unit operational Check valve for proper operation Replace if necessary Verify that the correct
134. ween motor and start switch Replace the motor Unit operational TMB1901S b Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Section 4 Adjustments To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the tumbler before servicing Close gas shut off valve to gas tumbler before servicing Close steam valve to steam tumbler before servicing Never start the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded 32 Main Gas Burner Air Inlet a Unlock and remove the access door Shutters Gas Model S b Start the tumbler and check the flame pattern Refer to Figure 1 Correct air and gas mixture is indicated if the flame pattern is primarily blue with small yellow tips and bends to the right of the cmon The air inlet shutters on the burner must be adjusted so sufficient primary air is metered into the system for proper combustion and maximum efficiency Before adjusting the inlet shutter be sure that all lint is removed from lint compartment and lint screen W281 Air inlet shutter adjustments will vary from location to location and will depend on the vent system number of units installed make up air and line gas pressure Opening the shutter increases the amount
135. wire or poor connection at harness plug Is there line voltage in and out of relay Check power supply to tumbler and wires to relay 32 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Are motor connections per wiring diagram Is there line voltage at motor terminals Replace motor No Correct wiring No Check connections and harness continuity TMB1889S b 70398301 Troubleshooting 20 Motor Runs Time on Drying Timer But No Heat Motor runs time on drying timer but no heat Is there power out of temperature control board 15 there power into temperature control board Coin Switch B Normally Closed CD Models Is there power on terminal 4 of control relay manual timer models Yes Check the ignition circuit Check thermistor and cable If OK replace temperature control board Loose or broken wire to temperature control board 70398301 Replace switch B or accumulator Coin Switch B Common CD Models Is there power on terminal 6 of control relay manual timer models Is there power across coil terminals of control relay No Replace Ves control relay Is there broken or A Repair wire
136. wiring Yes Refer to wiring diagram located inside TMB1873S contactor box 70398301 2 Motor Overload Protector Cycles Repeatedly Motor overload protector cycles repeatedly Is voltage incorrect No Is clothes load too large No Is clothes cylinder binding No Is wiring inadequate No 15 make up air inadequate No Has lint built up No Is there broken loose or incorrect wiring 70398301 Yes Refer to the Installation Yes gt Manual for electrical requirements Remove part of Yes load Check cylinder for binding Refer to Yes Yes ensure that Yes gt Manual for Yes gt Adjustments Section for cylinder adjustment Check with an electrician to wiring is adequate Refer to Installation make up air requirements Clean lint accumulation on and around motor Refer to wiring diagram located inside contactor box Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Troubleshooting TMB1874S 13 Troubleshooting 3 Motor Runs But Cylinder Does Not Turn Motor runs but cylinder does not turn Confirm key is Yes in place tighten setscrews Confirm key is Yes in place Is sheave gt tighten loos
137. wiring between primary fuse and transformer 70398301 Is there 24 VAC across terminals 1 amp 4 of transformer secondary Is there 24 VAC across H3 3 nd H3 4 on the control Is the control fuse functional Replace control No Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Replace transformer Correct wiring between transformer and control Replace control fuse 22515 On Premise Micro Control OM Troubleshooting Control Has No Display TB1 L1 TBI N FAN MOTOR CONTROL POWER SUPPLY SECONDARY FUSE 84VAC EXT RET MDL 354 B4VAC EXT DOOR SWITCH RED 8 8 RED BLk 9 DRG ND ND 5 MOTOR RELAY BRN 2 BRN WHT ORG FAN MOTOR EC NC imt wm ems ND CABINET TOVE CENTRIFUGAL ME AIR FLOW STOVE SWITCH THERMOSTAT THERMOSTAT GAS VALVE FIRST COIL SECOND COIL BLK 112 TMB2242S Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 60 Door Open Indicator Door Open Indicator Is there 24 VAC between H2 8 and H2 9 Gas steam and electric heat Single and three phase power supply On Premise
138. witch Check for proper function of door Switch replace if necessary Correct wiring between N O on door switch and COM on lint panel switch Is there 24 VAC at COM of lint panel Switch Is there 24 VAC at N O of lint panel switch with lint panel closed Check lint panel Switch for proper operation replace if necessary No Correct wiring between H2 8 of electronic control and N O of lint panel switch 22525 Please see following page for wiring diagram information 114 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70398301 TBL SERVICE CONNECTION On Premise Micro Control OM Troubleshooting Door Open Indicator TBI L1 TBI N 3 m J FAN MOTOR 94 2 4 PROT WW THERMISTOR CHASSIS 24 EXT RET 24 MDL 3 5A gt id l4 H EXT AC RET HEAT FAN 5 6 RELAY RELAY 5 Si 7 4 9 e RELAY RED BLK DRG BRN WHT E NC 3 5 e wHT BRN 413 BLK 9 ORG 9 vu r 9 vcr VAT NVLT WHT M WHT FAN MOTOR CABINET AIR FLOW STOVE CENTRIFUGAL LIMIT SWITCH LIMIT GAS VALVE SWITCH THERMOSTAT THERMOSTAT 000 SECOND COIL 70398301 T

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