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Turbo Chef Technologies C3/C User's Manual

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2. 1 OVEN SHOWN WITH POWER OFF AND COOK DOOR OPEN 2 NM TEST POINTS FOR CONTINUNITY TEST FOR INTERLOCK MONITOR TEST 5 USE JUMPER BETWEEN 0 15 AND 1 05 TO INCR
3. NOTES UNLESS OTHERWISE SPECIFIED 1 OVEN SHOWN POWER OFF AND COOK DOOR OPEN 2 EX TEST PO S FOR CONTINUNITY TEST FOR IN TERLOCK MONITOR TEST USE JUMPER BETWEEN 0 15 AND 1 05 TO INCREASE DUAL CAPACITOR 1 20 uF 4 ALL CONNECTIONS ARE INTE ALLY CONNECTED TO SAME POINT gt K 3 FIL 102091 F1 12 8150 44 935
4. QTES UNLESS OTHERWISE SPECIFIED REVISIONS NOTES UNLESS OTHERWISE SPECIFIED 1 OVEN SHOWN WITH POWER OFF AND COOK DOOR OPEN 2 A TEST POINTS FOR CONTINUNITY TEST FOR INTERLOCK MONITOR TEST USE JUMPER BETWEEN 0 15 AND 1 05 TO INCREASE DUAL CAPACITOR Ci TO 1 20 uF FOR 2D0 208V OVENS BL 5 CONNECTED 12 2 12 20525 17A FACH Ds 02091 VAG COLOR CODE BRS sey lee BR 8 6 227 8130 4459 _2M121A 58 BL 7 BL amp V D We110 BK BLACK gt BL 8 8 10 236 208 5 O 240V 3 e BLUE o o 2 A E S RWOTORASSY BR BROWN FOR OVENS W108 GR GREEN mm 4 MF 2 Wc FOR 50 HZ OVENS W 108 Y BA NC 4 MOTIN que W CMM CONNECTS 2 TO 01 3 Y d DAY RON GY GRAY ERE 82
5. 1 Circuit Breaker CB1 35Amp 2 Fuses 2x12 amp C3 C 25AMP C3 C 3 Convection Heat High Limit R7603 HV DIODE T0322 COOLING FAN M9609 100596 MAGNETRON COOLING FAN T0262 100597 STIRRER MOTOR 101891 100480 4 24VDC POWER SUPPLY 100206 5 DOOR SWITCH ASSY 102091 6a K1 RELAY amp SOCKET T0278 amp T0309 16 MAGNETRON HV TRANSFORMER 6b 2 RELAY amp SOCKET T0278 amp T0309 17 MAGNETRON 6c K3 RELAY amp SOCKET T0278 amp T0309 18 BLOWER MOTOR SPEED CONT K6 RELAY amp SOCKET T0278 amp T0309 19 CONVECTION MOTOR ASSY 7 K5 SOLID STATE RELAY FOR HEATER 101285 20 N A 8 K4 SOLID STATE RELAY FOR MAGNETRON 101285 21 N A 9 SMT CONTROLLER BOARD T0265 22 THERMOSTAT MAGNETRON 102070 23 THERMOSTAT ELECTRICAL COMPARTMENT 102085 M9608 CAPACITOR 2500 VAC SHOWN 15 FILAMENT TRANSFORMER 102093 100860 100441 0299 mm FIGURE 6 1a Electrical Component Locations Only 6 2 Electrical Compartment and Controls Electrical Component Locatio
6. 1 Circuit Breaker CB1 15A amp CB2 15A amp CB3 15A 103170 COOLING FAN 2 12 A FUSE ATM 12 100596 MAGNETRON COOLING FAN STIRRER MOTOR 3 CONVECTION HIGH LIMIT R7603 HV DIODE 4 24VDC POWER SUPPLY M9608 HV CAPACITOR 2500 VAC 5 DISTRIBUTION BLOCK N A FLAMENT TRANSFORMER 6a K1 RELAY amp SOCKET T0278 amp T0309 6b K2 RELAY amp SOCKET T0278 amp T0309 MAGNETRON 6c K3 RELAY amp SOCKET T0278 amp T0309 18 BLOWER MOTOR SPEED CONT 100441 19 CONVECTION MOTOR ASSY C0299 7 K5 SOLID STATE RELAY FOR HEATER 101285 20 TRIP COIL BREAKER 103171 8 K4 SOLID STATE RELAY FOR MAGNETRON 101285 21 SOLID STATE RELAY HEATER 101285 9 SMT CONTROLLER BOARD T0265 22 THERMOSTAT MAGNETRON 102070 23 THERMOSTAT ELECTRICAL COMPARTMENT 102085 Notes Part Number 100441 Reliance Blower Motor Speed Controller will be replaced by 100444 Delta Controller amp FSB10034 doc EMI FILTER 100542 NOT SHOWN FIGURE 6 1C Electrical Component Locations C3 CMulti Only 6 5 T0322 100596 100597 100591 R7603 102016 M9608 T0278 amp T0309 101285 101285 T0265 M9609 100519 T0262 101891 100480 100206 102091 102093 100860 100441 TurboChef Technologies Inc C Series ELECTRICAL COMPONENTS PA
7. 0 150 MAX FAN BLADE TO CAP 0 52 MIN CONVECTION MOTOR ASSEMBLY 1 MOTOR 1 HP 2 SPACER BLOWER MOUNT 3 CAP BLOWER 4 5 6 RING FAN BLADE FAN BLADE HUB FAN SMALL HEAT SLINGER TO PLATE CLAMP BEARING SPRING BLOCK BLOWER BEARING SEAL 9 SPRING COMPRESSION HEAT SLINGER SET SCREW USE LOCTITE 290 605 WOODRUFF KEY Figure 8 6 Convection Motor Detail PN C0299 Part Number C0299 T0076 6050070 TurboChef Technologies Inc C Series CONVECTION MOTOR PARTS LIST See Figure 5 6 Description ASSEMBLY BLOWER MOTOR Motor 1HP Mac RING FAN unwelded 6050069 BLADE FAN unwelded TC3 0214 RING AND FAN TACK WELDED 7000306 2 HUB FAN SMALL C7000306 2 HUB FAN SMALL 7001179 CLAMP BEARING SPRING 700 1177 BLOCK BLOWER BEARING SEAL 101733 SRING COMPRESSION 102708 HEAT SLINGER 101715 SET SCREW 8 X 5 16 SS 101722 SET SCREW 4 6 55 100730 605 WOODRUFF KEY 102320 BUTTON HEAD SCREWS Special Kits amp Assemblies Blower Hub Kit P N TC3 0238 consists of the following part numbers 1 HUB FAN SMALL 700 0306 2 4 INTERNAL TOOTH WASHER 101746 2 SET SCREW 101715 4 BUTTON HEAD SCREWS 102320 Notes Used on Model s A
8. Sue ESL NS ELA NS BK 11 BK 11 T2 102091 8130F 44 93 STIR MOTOR ASSY BLUE W 20 MOT 2 WIPE e R 3 R 4 OR 1 K2 MONITOR BR 3 11 BL 3 F3 esc BR 4 R 7 R 6 24V RIN mes W 109 15 C peu FOR 60 H MAG 2 121 55 FOR 60 HZ OVENS W 109A IS OMITTED FOR 50 HZ OVENS W 109A CONNECTS 1 2 TO C1 35 FA 2 MAG BK 3 C W 8 N M1_OT IN 212 24V 60HZ 1 05uF SOHZ 1 20uF D1 W 111 p oR Y 108 CONNECTE FOR 50 K1 MAG BK 10 Z OVENS W 109 15 n D TO 1 6 Z OVENS W 109 IS D TO 11 7 7 6 2155 24 R 9 3 4 FAN 2 MAG COOLING FAN 24VDC m En REVISI NS ECN 0012003 RSB 1 Modify BSMC wiring to allo 2 Adal 2W resistor to 3 Correct earthing DESCRIPTION DATE APPROVED 12 29 00 autoreset pins 234 4 3 to K4 4 to as buil
9. O IET CONTACT BMR IN W 12 0 10 VDC SPD CMD SPD CMD COM 16 BK 9 155 24V RUNNING BMR perum Y BK 8 CONTROL PLATE GROUND SCREW 10 2 10 DBM ya P2 WAVEGUIDE 29 lt gt Ix lt gt gt gt lt z NEXT ASSY APPLICATILN USED ON SIGNATURE BRIGGS HECKED GINEER RODUCTION IF T CONTROL PLATE CROUND SCREW V 4412 4 12 14 ATM STYLE KEYPAD AT SINGLE DRAWI SIZE CODE IDENT N ALA 2 208 240 50 60 le gt gt Ll e e Le 20 el 23 KEYPAD ARTWORK 1 ARD VFD DISPLAY TC3 X015 6 PEATE REY TC3XOIS6 6 1 8 7 6 5 4 5 m EE 1 NOTES UNLESS OTHERWISE SPECIFIED
10. CONTROL PANEL ASSEMBLY AND COMPONENT CONTROL PANEL ASSEMBLY AND COMPONENT 1 ASSEMBLED CONTROL PANEL 4 KEYPAD 2 KEYPAD RIBBON CABLE 5 CONTROL MOUNTING BRACKET 3 DISPLAY CONNECTOR 6 DISPLAY CONTROL PANEL PARTS LIST see above Part Description Number CONTROL PANEL SHEET METAL CONTROL PANEL SHEET METAL VFD DISPLAY CONNECTOR KEYPAD CONTROL MOUNTING PLATE CONTROL MOUNTING PLATE VFD DISPLAY 6 8 Used on Model s C3 AB amp C3 MULTI C3 C amp C3 CMULTI All All C3 AB amp C3MULTI C3 C amp C3 CMULTI All Electrical Compartment and Controls CONTROL SYSTEM TROUBLESHOOTING Resolutions 1 No Display Blank Verify power 208 VAC or 240 VAC is going to oven If not correct voltage supply Does the control beep when any Key on the keypad is pressed a If no check power going to the 24VDC power supply Supply must have 208 or 240 VAC across L and N terminals i Voltage Change F1 and F2 Fuses Voltage OK verify output of Power Supply is 24 VDC 1 No Output Disconnect Rear Cooling Fan from Power Supply and unplug unit from wall receptacle Then reconnect oven If oven screen comes up then re connect rear cooling fan back into circuit and short cooling fan thermostat If unit display shuts down then replace Rear Cooling Fan b If oven screen comes up even with the rear cooling fan and thermostat shorted across then place oven in TE
11. LIMIT SWITCH ADJUST WMF Figure 7 58 Interlock Switch Adjustment 7 9 TurboChef Technologies Inc C Series DOOR REMOVAL AND REPLACEMENT Tools Required e 12 long 2 Phillips screw driver e 3 8 hex driver e 3 8 socket with 1 4 ratchet wrench Set of feeler gages e Large flat blade screw driver DOOR REMOVAL 1 Remove the side and top panels top and bottom molding control panel perimeter trim piece Remove the interlock actuator tabs 3 and front guide block assembly 14 from both sides of the oven See FIGURE 7 6 NOTE may not contain guide block support shims 2 Guide block assemblies should be re installed the location they were removed from i e right guide block assembly re installed on right side to prevent potential trailing arm binding 3 Close the oven door and disconnect the springs 8 amp 15 from both trailing arms 2 Loosen but do not remove the nuts that hold the cam follower assembly 12 in position then rotate both assemblies down to vertical orientation Remove the door a Remove the four 10 32 M5 UNF Phillips screws 11 from the door hinge bar mounting brackets 7 on both sides of the oven Pull the door away from the oven bottom first to slide the hinge bars 14 out of their slots Use caution in removing the door to avoid bending the hinge bars the bars bind in their slots
12. SWITCH C3 C3 AB AND C3MULTI OVENS SWITCH CONFIGURATION 1 SECONDARY SWITCH RACK EI 2 INIERLOCK SECONDARY SWITCH C3 AB VS C3 C WMF Figure 7 3 Interlock Placement Differences C3 AB vs C3 C 7 8 Cook Door TRAILING ARM AND CAM MOTION 1 CAM FOLLOWER ROLLER 2 TRAILING ARM NOTES 3 IN DOOR CLOSED POSITION THE TRAILING ARM SHOULD SEAT AS SHOWN ON THE CAM NOTE BOTH THE LEFT AND RIGHT SIDES SHOULD BE ADJUSTED SUCH EACH SIDE SEATS AS SHOWN 4 AS THE DOOR OPENS THE TRAILING ARM MUST CONTACT CAM DURING FULL MOTION OF THE DOOR Figure 7 4 Trailing Arm and Cam Motion 7 7 Cook Door lt 0 02 0 50 MM F FAST 0 25 6 MM AND PRIMARY SWITCH FRLOCK MONITOR SWITCH LOCK PRIMARY SWITCH LOCK ACIUATOR BR CKE OR SWITCH ACTUATOR DJUSTME EI INTERLOCK ACTUATOR BRACKET MUST B 0 29 INCH ABOVE GOIH IHE Al LEAS IHE BOTTOM O MONITOR SWITCH MONINTO D PRIMARY SWITCH MUST NOI HAVE MORE THAN 0 02 INCH CLEARANC SWITCH HOUSING AND SWITCH ACTUATOR IHE 2
13. A OS i LO 7 Es Es rd E LU Ue UT WO Q O eppo e o 5 5 S I 2 a O zu A m I 9 4 Ni Oy DOOR REMOVAL AND REPLACEMENT RIGHT SIDE TRAILING ARM INTERLOCK ACTUATOR BRACKET INTERLOCK SECONDARY SWITCH INTERLOCK SWITCH BRACKET SPRING TRAILING ARM CAM FOLLOWER ROLLER CAM FOLLOWER ASSY HELPER SPRING oU HR QU 66 Door Removal and Replacement Right Side 7 16 TurboChef Technologies Inc C Series DOOR REMOVAL AND REPLACEMENT PARTS LIST RIGHT SIDE See Figure 4 7b Part Number T0550 C0550 T0529 C0529 1
14. WASHER LOCK M6 SS BOLT M6 X 20 MM SS ASSY ARM LH ASSY PIN WASHER NYLON ASSY BEARING BLOCK 23 24 25 26 27 28 29 30 PLATE DOOR REINFORCING SCREW M4 X 16 MM SS OUTER DOOR SKIN TURBOCHEF NAME PLATE AL N A N A N A ASSY GUIDE BLOCK Figure 7 8 C3 C and C3 CMulti Door Assembly 7 18 Cook Door TurboChef Technologies Inc C Series C3 C AND C3 CMULTI DOOR ASSEMBLY PARTS See Figure 4 8 Part Description Number SHUNT DOOR SEAL ENVIRONMENTAL SHUNT SUPPORT SHIM SCREW X 12 SS COVER DOOR PLASTIC SHUNT SUPPORT DOOR WAHSER M4 SS WASHER LOCK M4 SS NUT M4 SS DOOR INSULATION DOOR INSULATION HANDLE COOK CHAMBER SCREW M4 X 12 MM SS SPACER DOOR HANDLE ASSY ARM RH WASHER M4 SS WASHER LOCK M6 SS BOLT M6 X 20 MM SS ASSY ARM LH ASSY PIN WASHER NYLON Used on Model s C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI C3 C amp C3 CMULTI Cook Door C3 C AND C3 CMULTI DOOR ASSEMBLY PARTS CON T See Figure 4 8 Part Description Used on Model s Number ASSY BEARING BLOCK C3
15. a U 5 4 2 re dem pum z d a I E PRA 11 LE 2 RES MN M EM Lot 2 Ano 2 BH NM 1 r i m IE 194 I TUTTA ar d tr m uA m 9 al 11 J Tr sie 0 LIE L 2 3 4 2 5 ur of O 1 Software EPROM 2 R51 Beeper Volume Adjustment 3 Microprocessor 4 P3 Blower Motor Controller Mode Selector SP200 1 amp 2 5 R24 RF Fluctuation Adjustment Optional 6 R42 5 Volt Reference Adjustment 7 P1 5VDC Reference Point Microwave Circuit Rig LiT B en Er XT a i s 15 104 EX AAN gt y i 1 M ace m de CA KI m ag ie 1 MIS T DM Ll LI qup Lu fi 1 hu JL 10 7 EJ al Al aig Tapiiri 3 AM
16. VE 53 1 0 BOARD POTENTIOMETER REFERENCE 4195 BR 11 F 2 22 3 p lt 51 BEEPER ADJ E BR 7 R 7 2 J 4 5 W 113 e gt 71 2 STIR MOTOR ASSY FA R 42 5 VOLT THERMOCOUPLE ADJ _ o ui FOR 60 HZ OVENS W 109A 2 MAG Hr 1 BLUE amp W 20 IS OMITTED Pa 5 1112 Sn WHITE e W 21 FOR 50 HZ OVENS W 109A 16 NO 5 OT IN e l8 Wi CONNECTS 1 2 TO 1 5 1 212F RTM EM 820MW4 m n 8C3 L AER N BL 7 108 50HZ 1 20uF nt NE Li 79 gt 7 05 E NT gt o BL 5 BK 1 LS W 109 si er Yet E 1 mt G AT UE S aa 0 7 3 HLLIMT LRC F18488 WI 2 BL 6 6 FOR 60 HZ OVENS 109 IS COIL d O 924 2 di FOR 50 HZ BE W 109 IS m 2 CONNECTED 71 7 14 64 X 128 DOTS ea 5 ape BL 5 K2 MONITOR Ol c L OR 1 6 52 3322 FAN FAN 2 MAG COOLING FAN 24VDC g AV RT 1 BK 14 gt au BK 10 6 o li 25 26 i 24VDC R 9 3 jj R 10_ t eee 25 26 R 6 o R 5 LL COLOR CODE 2 T 222 E EE 25 26 BLACK paps 1 1 OUT BL BLUE W 10 MAGF W 9 2 2 BROWN E E cal GR GREEN Wer G COM js A CDP IN GY GRAY _ P _ P3 BMSC SEL OR ORANGE SWITCH 1 COOK DOOR 24V RTN2 izlo o mein Y se200 3 gt CDS SWI
17. BLACK m y Paz DA 71 21 OUT BL BLUE S FUSE 25 e MAGF 5 2 E i FDP IN OWN we 4 4 m FDM IN GREEN eE m vs CDP GY GRAY _ A 5 a P5 BMSC SEL ORANGE alee em COOK DOOR 24V RINZ 711010 HX IN 5 200 R e RED E COOK DOOR INK Nosy Bro SWITCH 2 1212 Mazor N Lo 5500 euet S 5 313 SPARE1 IN Y m YELLOW Ses p BK 5 SWITCH 1 NU BK 5 BK 2 41141 SPARE2 IN 2 W 4 _ 15 15 SPARES IN a V VIOLE 0 16 16 24 voc IN 2 m p MONITOR 8 2 1717 124v OUTI gt WHITE W 12 E BK 7 2 3 18 18 24v 0UT2 AER 0 919 24V OUTS BK 3 20 20 24V RTN IN e R 2 24VDCC UE 2 2 24V RTN 24V RTN2 ge ET 24VDCC x 25 33 24V E V MCLT ORA AC BK 8 55 23 B HS HEATER ELEMENT W 9 26 26 BEEPER OUT 4800W 2127 MAF FIL OUT M 4 5 15 P 28 28 RAD ELEM OUT AG2 SOA 10 2929 COOLING FAN OUT CT2 MAIN HX e W 10 30 39 OUT SSR Ten 00 y 24V RTNA DETESTA 4 _ 3j 9 24V 5 CIRCUIT R 5 W 10 HX KE a 24V RTN6 CT Jr im 36 36 ISOLATED I C 071 HX coi HX gt THERMOCOUPLES R 6 NO 1 13 59 39 GND THRU LOF 4 CXCCE BE 40 40 CC MOUNTING HOLES K4 K5 CONNECTIONS gt RF INPUT h 2 FAN1 COOLING SMA 5 2 v 5218 E E
18. R 1 24VDC SS Se TOP _VIEW BR 6 em po R B 324 0 Pal 2 ta 5 L6 _ 7 8 4 BL 4 dU eu BK 1 24V 7 BK IO 24V RIN rer 9 11 I12 ee 14 GR Y 5 12 13 14 MCTL 4 MCTL gt 2 15 16 17 BM OUT 18 19 20 BLOWEI MOTO SI EED RL 24V RIN3 RELIANCE 520 X02P 5A1000 CT 21 22 23 10V BL 2 del E FN LOSS RESET 3 Wes 10 DBM NOT 5 BR 5 RUN 4 19 16 W 11 22 VAC IN RNR 5 J4 2 RG405 COAX KEYPAD ARTWORK 5 0 10 voc SPD R 4 WAVEGUIDE Ep 20 sho con SeD oun BK 1 2 BRN V 10 MTR 360 pe 12 RUNNING BMI W 6 SIGNATURE E Y B Q m JKP FH CONTROL PLATE GROUND SCREW EMATIC OVEN CHINA PRODUCTION 2 Mae e 22 00 WL ra we a D 95 9015 5 8 1 10 5 TurboChef Technologies Inc C Series 8 7 6 2 5 m Y C0420H
19. Check capacitor 6 Check magnetron 7 Check ssr operation 8 Filament Transformer 9 Current Transformer on computer board See Page 6 10 1 Check Magnetron Thermostat for loose wires 2 Check for proper operation of magnetron blower Note Magnetron fan only operates only when magnetron is energized and remains on for 3 minutes after magnetron is turned off 3 Check for loose wiring in the circuit 4 Check magnetron fan relay for proper operation TurboChef Technologies Inc C Series 9 4 Microwave Circuit MAGNETRON CIRCUIT Overview of a microwave circuit The microwave circuit consists of a magnetron and a voltage doubler circuit The voltage doubler consists of a special step up transformer a capacitor a diode In addition to the power circuitry in the magnetron the oven utilizes a filament transformer to pre heat the magnetron filament before applying the high voltage to the anode As for safety a monitor circuit is used to make the magnetron circuit fail in the failsafe mode Monitor Circuit Description In addition to the HV circuit it is imperative to understand how the monitor circuit operates The Monitor Circuit is a failsafe circuit that is designed to protect the operator if both the Primary and Secondary Interlock Switches fail to operate normally MONITO RCUIT SHOWN IN FAILSA MODE ABNO The Monitor Circuit consists of the Primary Interlock Switch Secondary I
20. Enter the desired time and press Enter Valid times are between 1 second and 5 minutes Events 1 6 Use the keypad and Enter key to enter values for Time Air and 96 MW The 96 Time for all Events must total to 100 The operating system will not allow a combination of Events that do not total to 10096 or exceed 100 The Air parameter is valid between 10 and 100 Note If an Event is unused the Air parameter may be displayed as 0 It is only a default The 96 MW parameter is valid between 0 and 100 Once the desired changes have been made you may test the recipe by pressing the Test Soft Key This will execute the displayed recipe Once you are satisfied with the Recipe press Save to permanently store your changes Press the Back Arrow 4 times to exit the Edit mode Theory of Operation User Configurable Options The user may enable or disable the following options Edit Mode For security purposes the Edit Mode can be disabled by pressing the Back Arrow and Enter keys simultaneously and entering the Access Pin T I D E amp Enter When prompted select either 9 to re enable Edit Mode or any other key to disable Edit Mode Done State The Done State Figure 3 4 can be removed to eliminate the option to Save an altered Time or the option to Cook More SAVE COOK TIME MORE Figure 3 4 Done State To disable the Done State press the Back Arrow and E
21. T0330 T0330 T0330 C0534 T0534 T0534 T0542 C0542 T0514 C0514 T0541 C0541 TC3 0179 C0708 T0548 C0548 T0538 C0538 Description TRAILING ARM RH TRAILING ARM RH INTERLOCK ACTUATOR BRACKET INTERLOCK ACTUATOR BRACKET INTERLOCK MONITOR SWITCH INTERLOCK PRIMARY SWITCH INTERLOCK SECONDARY SWITCH INTERLOCK SWITCH BRACKET INTERLOCK MONITOR SWITCH BRACKET INTERLOCK PRIMARY SWITCH BRACKET SPRING TRAILING ARM SPRING TRAILING ARM CAM FOLLOWER ASSY CAM FOLLOWER ASSY CAM FOLLOWER ROLLER CAM FOLLOWER ROLLER HELPER SPRING HELPER SPRING GUIDE BLOCK GUIDE BLOCK TRAILING ARM GUIDE TRAILING ARM GUIDE Used on Model s C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3MULTI C3 C C3 CMULTI C3 C C3 CMULTI C3 AB C3MULTI C3 AB C3MULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 C DOOR ASSEMBLY 1 SHUNT DOOR 2 SEAL ENVIRONMENTAL 3 SHUNT SUPPORT SHIM 4 SCREW M4 X 12MM SS 5 COVER DOOR PLASTIC 6 SHUNT SUPPORT DOOR 7 WASHER M4 SS 8 WASHER LOCK M4 SS 9 NUT 4 10 DOOR INSULATION 11 DOOR INSULATION 12 HANDLE COOK CHAMBER 13 SCREW M4 X 12MM SS 14 SPACER DOOR HANDLE 15 ASSY ARM RH 16 WASHER M4 SS 17 18 19 20 21 22
22. 29 W x 25 5 H x 29 5 D 73 66 cm x 64 77 cm x 74 93 cm 29 W x 43 H x 29 5 D 73 66 cm x 109 22 cm x 74 93 cm Power Supply 208 60Hz 1 35 amp 3 wire including ground US 1 All Models 240 60 Hz 16 30 amp wire including ground US 39 C3Multi and C3 Cmulti 208 VAC 60Hz Delta 30 amp 4 wire including ground 240 VAC 60 Hz 36 Delta 22 amp 4 wire including ground 380 415 VAC 50 HZ 36 WYE 15 Amp 5 wire including ground 230 240 50 HZ 36 Delta 22 Amp 4 wire including ground Europe 3b C3Multi and C3 Cmulti Microwave Frequency 2 45 GHz Connections including ground The unit is supplied with a 6 power cord that includes US 1 NEMA 6 50P 1 32A IEC 60309 plug US 3 NEMA 15 50P 32A IEC 5 Pin plug The outlet box receptacle and wall plate are to be furnished by the installing contractor Maximum Power Usage Convection Oven Microwave Oven TABLE 1 1 Oven Specifications A WARNING DEATH INJURY AND EQUIPMENT DAMAGE could result from improper installation of this oven or installation of an oven which has been damaged during shipment or storage Either of these conditions could void the equipment warranty INSTALLATION The TurboChef Technologies Inc oven 15 manufactured to comply with applicable CE ETL FDA and FCC requirements In addition the unit is ETL classified to NSF 4 Note Some European models may
23. 5 Press the ENTER KEY to store the new number Cook Cycle Count The key displays the cook cycle count The count is incremented when the cook process completes at least the first event The count includes test cooks selected while in the edit function To reset the count press the zero 0 key PIN Number The PIN key is used to enter a new personal identification number password for accessing the edit function When the button is pressed the display reads ENTER _____ Use the numeric keypad to enter the new PIN Only numbers are applicable for the PIN Temperature Units The F C key alternately selects Fahrenheit or Celsius for temperature displays Cook Fault Counter The FAULTS or FF key is used to read and reset the oven cook fault counters Press the 0 key to reset the fault counter displayed On ovens with FF repeat pressing the FF button to view all six fault counters The faults include e BLOWER STATUS blower controller e LOW COOK TMP cooking temperature e LOW MAG CURR microwave current e LOW MAG FLUC rf power fluctuations e MAG OVER TMP magnetron temperature switch e ELEC OVR TMP electronics compartment over temperature detection DOOR MONITOR cook door monitor switch out of sequence NOTE The C3 C model and late model C3 AB oven will have the LOW MAG FLUC error message replaced by the DOOR MONITOR error message motor speed over 5 3 TEST Idle Airflow The first press of
24. 9 10 and 11 this page The trailing arm must be properly engaged in the cam follower bracket assembly and the trailing arm guide blocks Again the actuator tab should be positioned as shown in detail of Figure 7 5 Adjust and bend needle nose 5 actuator tab as necessary When the door is closed the actuator tab is in contact with the secondary switch paddle and the switch should be closed There should be approximately 0 020 of clearance between the switch paddle and the switch body Adjust the limit switch bracket by loosening the screws as necessary FINAL TESTING OF DOOR SWITCH ADJUSTMENT 19 After the door switch assemblies have been properly aligned and adjusted on both sides confirm that with the door closed that all three switches contacts are closed 7 5 20 21 22 Cook Door As the door is opened slowly confirm that all three switches operate in the correct sequence i e as the door is opened the switches open in the order of primary secondary and then monitor As the door is slowly closed confirm the switches close in the opposite order from above If the sequencing is not correct readjust switch brackets and associated hardware until all criteria are met SWITCH TEST AT TEMPERATURE 23 24 25 26 27 28 29 30 Reinstall main circuit breaker on din and reattach wiring to bottom of circuit breaker Reattach left side trim piece and ma
25. C amp C3 CMULTI PLATE DOOR REINFORCING C3 C amp C3 CMULTI SCREW M4 X 16 MM SS C3 C amp C3 CMULTI OUTER DOOR SKIN C3 C amp C3 CMULTI TURBOCHEF NAME PLATE C3 C amp C3 CMULTI ASSY GUIDE BLOCK C3 C amp C3 CMULTI 20 TurboChef Technologies Inc C Series Figure 7 9 and C3Multi Door Assembly 7 21 Cook Door C3 AB AND C3MULTI DOOR ASSEMBLY PARTS See Figure 4 9 Item Part Used on Model s Number Description 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 10190 T0254 T0426 T0193 T0507 T0325 M0999 R7329 C0581 NA T0360 10267 3136 M0417 T0450 T0350 T0508 T0503 T0427 T0504 T0505 T0514 T0558 T0550 T0500 SHUNT DOOR PLSTIC COVER DOOR SHUNT SUPPORT DOOR OUTER SKIN DOOR PLATE DOOR REINFORCING GASKET SHUNT SCREW 8 32 X 3 8 SS SCREW TAPPING 8 32 1 SS NAMEPLATE NA INSULATION KIT HANDLE DOOR SCREW CAP 20 X 75 HEX SS WASHER LOCK WASHER FENDER SPACER BEARING AND BLOCK ASSY PIVOT PIN AND BRACKET ASSY SHUNT SUPPORT SHIM WASHER NYLON 5 16 SCREW 8 32 X 88 PAN HD SS BLOCK ASSY PIVOT TRAILING SCREW 8 32 X 38 FLAT HD SS TRAILING ARM ASSY LH TRAILING ARM ASSY RH 7 22 C3 Multi C3 Multi and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Mul
26. F 46 C differential of the Cook Chamber Setpoint It is referenced by the cook chamber type thermocouple Note may also be controlled by the heat exchanger thermocouple See section 5 MAG OVER TMP or F5 MAG TEMP the snap disk on the magnetron has overheated and has tripped Reference Chpt 9 BLOWER STATUS or F1 BLOWER The control board is not receiving the proper output from the convection blower motor speed control Reference Chpt 8 ELEC OVR TMP EC TMP HIGH or F6 EC TEMP The electronics compartment thermocouple connected to the control board has detected a temperature above 140 F 60 Reference Chpt 6 OVEN DOOR OPEN during cook cycle the cooking door has been opened during a cook cycle and has not been closed properly DOOR MONITOR or F4 MONITOR The control board senses that the Cook Door Monitor Switch is out of sequence with the Primary and or Secondary Door Switches Reference Chpt 7 HX RISE LOW HX Heater Temperature has failed to rise 14 F 8 C in 30 seconds Reference Chpt 8 NOTE Some error codes may be different or no longer available or current The following list details all error codes created since C3 AB C3 C C3CMulti and C3 AB Multi no exceptions Theory of Operation Fault Code Messages Matrix PEL UC NEC Old Error Code Code Up Cooking Test Chapter BLOWER STATUS FSBLOWER X X X 8 HX RISE LOW THERMO OPEN OVEN DOOR AJAR EC TEMP HIGH F6 EC TE
27. Hinges and latches broken or loosened C Door seals and sealing surfaces The oven SHOULD NOT be adjusted or repaired by anyone except properly qualified service personnel SAVE THESE INSTRUCTIONS PRECAUTIONS BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY DO NOT operate or allow the oven to be operated with the door open Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source and make repairs as necessary a Interlock operation b Proper door closing c Seal and sealing surfaces arcing wear and other damage d Damage to or loosening of hinges and latches e Evidence of dropping or abuse Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connection If the oven is operative prior to servicing a microwave emission check should be performed prior to servicing the oven Refer to page 6 2 of this manual for microwave leakage testing procedure Any defective or mis aligned components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner A microwave leakage check to verify complianc
28. M9608 HV CAPACITOR 2500 VAC NOT SHOWN FILAMENT TRANSFORMER 102093 100860 100441 T0299 ey EE mmr c ccc Part Number 100441 Reliance Blower Motor Speed Controller will be replaced by 100444 Delta Controller amp FSB10034 doc EMI FILTER T0286 NOT SHOWN FIGURE 6 16 Electrical Component Locations C3 C Only 6 3 TurboChef Technologies Inc C Series ELECTRICAL COMPONENT LOCATIONS C3 MULTI OVENS ONLY 1 Circuit Breaker CB1 15A amp CB2 15A amp CB3 15A 103170 COOLING FAN 2 12 A FUSE ATM 12 100596 MAGNETRON COOLING FAN STIRRER MOTOR 3 CONVECTION HEAT HIGH LIMIT R7603 HV DIODE 4 2AVDC POWER SUPPLY M9608 HV CAPACITOR 2500 VAC 100206 5 DISTRIBUTION BLOCK N A FL
29. Phase V W e Parameter value out of range Load default parameter values Checksum Failure 60 1 then cycle power If fault persists replace drive 12 Microprocessor Internal processor error e Cycle power If fault persists Fault replace drive TABLE 5 2 Reliance Blower Motor Controller Fault Codes amp Troubleshooting Convection Circuit Delta Blower Motor Controller Fault Codes amp Troubleshooting Fault Descriptions Oc The AC drive detects an abnormal increase in current Ou The AC drive detects that the DC bus voltage has exceeded its maximum allowable value OH The AC drive temperature sensor detects excessive heat Corrective Actions 1 Check whether the motors horsepower corresponds to the AC drive output power 2 Check the wiring connections between the AC drive and motor for possible short circuits 3 Increase the Acceleration time Pr 1 09 Pr 1 11 4 Check for possible excessive loading conditions at the motor 5 If there are any abnormal conditions when operating the AC drive after short circuit being removed it should be sent back to manufacturer 1 Check whether the input voltage falls within the rated AC drive input voltage 2 Check for possible voltage transients 3 Bus over voltage may also be caused by motor regeneration Either increase the decel time or add an optional braking resistor 4 Check whether the required braking power is within the specified li
30. T0330 C0330 C0330 T0516 C0516 T0542 C0542 T0535 C0535 TC3 0186 C0186 101450 TBD Description TRAILING ARM GUIDE TRAILING ARM GUIDE TRAILING ARM RH TRAILING ARM RH INTERLOCK ACTUATOR BRACKET INTERLOCK ACTUATOR BRACKET INTERLOCK SWITCH BRACKET INTERLOCK SWITCH BRACKET INTERLOCK SECONDARY SWITCH INTERLOCK MONITOR SWITCH INTERLOCK PRIMARY SWITCH DOOR HINGE BAR MOUNTING DOOR HINGE BAR MOUNTING SPRING TRAILING ARM SPRING TRAILING ARM DOOR SPRING BRACKET DOOR SPRING BRACKET BRACKET SPRING LEFT BRACKET SPRING LEFT 10 32 X 3 8 PPH CRES M5 X 10 mm PPH CRES 7 13 Used Model s C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI TurboChef Technologies Inc C Series DOOR REMOVAL AND REPLACEMENT PARTS LIST LEFT SIDE CON T See Figure 4 7a Part Description Used on Model s Number T0560 CAM FOLLOWER ASSY C3 AB C3MULTI C0560 CAM FOLLOWER ASSY C3 C C3 CMULTI T0541 CAM FOLLOWER ROLLER C3 AB C3MULTI C0541 CAM FOLLOWER ROLLER C3 C C3 CMULTI T0548 GUIDE BLOCK C3 AB C3MULTI C0548 GUIDE BLOCK C3 C C3 CMULTI TC3 0179 HELPER SPRING C3 AB C3MULTI C0708 HELPER SPRING C3 C C3 CMULTI Cook Door
31. lend unpleasant flavor char acteristics such as bitter tarry tastes The installation of the catalytic converter greatly effects the grease handling and any residual flavors which might build up over time A properly operating catalytic converter causes the conversion of airborne grease into water carbon 8 2 dioxide and small amounts of nitrogen and oxygen catalytic converter acts as combustion chamber for the airborne grease The catalysts present on the filter lowers the ignition temperature of the airborne grease from approximately 700 F 371 C to 450 550 F 232 288 C allowing combustion to occur The Operating temperature of the oven directly determines the percentage of airborne grease conversion A single pass of the air stream yields a 20 30 improvement in air quality A problem with the catalytic converter is indicated by a decrease in the effectiveness of browning caused by a reduction in airflow or by flavor transfer from one food group to another If you suspect the catalytic converter needs cleaning refer to figures on page 8 5 and below These diagrams provide you with a location reference and exploded view Note The Return Air Duct Assembly Panel and the Terminal Heat Shield may be inverted on some C3 AB units All C3 C units will have this assembly inverted It is important to carefully remove the insulation and replace it neatly The metal foil helps shield microwave emissions IMPORTANT N
32. right side of the oven Note Refer to page 7 11 DOOR ADJUSTMENT along with this section if the cam follower bracket assembly has to be adjusted and tightened This is very important to prevent any potential damage to the door hardware from interference and to assure proper door closing tension 8 Check that the trailing arm is properly engaged in cam follower bracket assembly and trailing arm guide blocks When the door is closed the trailing arms should sit as shown See Figure 7 6a b 9 If the trailing arm is not properly engaged in cam follower bracket assembly or if it is hitting the assembly loosen the two 3 8 nuts securing the cam follower assembly 10 Cam follower bracket assembly has clearance at the bottom to move Pick up on trailing arm to engage it in trailing arm guide blocks and move follower bracket assembly up into notch on trailing arm See Figure 7 4 Tighten the two 3 8 nuts when adjustment 1 correct 11 When properly aligned the door should have no play when pushed in the closed position and when opened the first movement of the trailing arm should be up and over the cam follower bracket assembly both sides of the oven See Fig 7 4 Additionally when the door is closed the trailing arms should snap down into position To test this gentle pick up one of the trailing arms approximately 34 inch and release it The trailing arm should snap back down in to the same position each time
33. will have a potential of 4800 volts Checking the filament transformer A DANGER HIGH VOLTAGE Step 1 Disconnect anode wire from 1 transformer pin 7 or 6 on transformer and place circuit breaker in the OFF position this will isolate the high voltage part of the microwave circuit Next disconnect the wires going to the magnetron and connect them to your voltmeter select AC mode Step 2 Place oven in TEST mode Press BACK key until the oven screen displays OVEN OFF then Press and hold the BACK and ENTER keys simultaneously and then key in PIN 9 4 2 8 access code then ENTER This will allow you to enter into the test mode to manually energize the magnetron 9 7 Step 3 Press and release immediately the MGTRON key and observe the voltage at voltmeter reading should be around 4 6VAC MAGNETRON TESTING A WARNING The microwave circuit cannot be worked on with the unit on The unit must be disconnected from the power source Failure to do so could result in injury or death A WARNING The HV Capacitor must be discharged before proceeding Microwave Circuit Checking a Magnetron for Open or Shorted Filaments 1 Disconnect the AC power source discharge the High Voltage Capacitors Isolate the magnetron from the circuit by removing the wires from the F and FA terminals An ohmmeter connected between the filament terminals F FA should indicate a reading of less than 1 Ohm A conti
34. 0MWA i BK 4 id QbuF OR ORANG De I 4 215 M 2 BED 884 4 BR4 5842 BRAZ 28813 o Ea pees aL BL 4 81416 ori e 5 FZ ur wair y EN E MES 5 SOME FOR 60 HZ OVENS W 109 n 5 S V x V OLE a TRIP 4 BL 17 3 2 RA BL 15 CONNECTED TO 11 66 T VFD DISPLAY COIL qr 20 Ra d FOR 50 HZ OVENS W 109 IS W WHI E M 1 CONNECTED TO 11 7 128 DOTS Nn E 18 2 e BR EM LERS KAMINITIR ep B2 BLZ Ne ae OR 1 6 Fer m toz o an OR 1 GRIV 6 3 27 1 C2 EZ cf i EE 2 1 wa gt 24V RTN BK 10 8 4 15 RS GI E OSEE 25 28 E PU 2 2020 Re 3 12 25 28 j amp Ro RU 8 MAG COOLING FAN BR 3 L L wero CES BLS 12 25 26 BL 3 19 1 J ti2 25 26 P2 J2 GRN 7 MAGA WITT gt MAG W 9 212 513 ale 414 Ro 12 5 5 435M N T DPIN uen 5 P5 E B COOK DOO INLK x AV RINE N NT 2 w r TD NEMA 8 5 60305 32 AVP HI LIMIT 3 WES gka 81041 mern SH 31 w4 i SWITCHZ una L N 32 Mt 6 1 Y E C AK aj 12 she MENTOR qu oc g lel 21 Z A and UN EE 3 2 8
35. 2 TC3 0194 100665 100666 102390 102230 101665 101671 T0185 100440 100441 T0204 TC3 0197A C0260 102065 R7603 Description GASKET 3 PHASE HEATER COVER PLATE SHEATHED HEATER 240 VAC SHEATHED HEATER 208 VAC SHEATHED HEATER 200 VAC SHEATHED HEATER SHEATHED HEATER HARDWARE SUPPLIED W HEATER PLATE C3 HEATER MOUTING OBSELETE GASKET 3 PHASE HEATER COVER 240 VAC HEATER ELEMENT OPEN COIL OBSELETE 208 VAC HEATER ELEMENT OPEN COIL OBSELETE WASHER SPLIT LOCK 8 CRES WASHER SPLIT LOCK M4 SCREW 8 32 PPHD CRES SCREW M4 X 10 mm CATALYTIC CONVERTER BLOWER MOTOR SPEED CONTROLLER SP200 BLOWER MOTOR SPEED CONTROLLER DELTA PEPPERONI CATCHER SMALL HOLE PEPPERONI CATCHER EXPANDED METAL MUST ONLY IISFN WITH SHFATHFN HEATER ASSY BRACKET CATALYTIC CONVERTER INNER TYPE K THERMOCOUPLE HI LIMIT THERMOSTAT Convection Circuit Used on Model s All All All 240 VAC All 208 VAC All 200 VAC All C3 C All C3 AB C3 C C3 C C3 AB C3 C C3 AB C3 C All All All C3 C All C3C All All Note When upgrading to a new sheathed heater order TC3 0200 which includes the following items 1 2 3 specify voltage 15 This kit is provided with a step by step field service bulletin FSB10033 doc 8 10 Convection Circuit CONVECTION BLOWER MOTOR OPERATION The convection blower motor
36. 31 y em R 3 2 ES 24 5 R 3 13 18 24 VIC IN e 3x 0 17 17 2av Oo 11 a sc unl ING m f 18 21202 2 9 E NT 25 25 24V RTN N i CB2 15A nt HEATER ELEMENT EELE 21 24V y 244249 4 E 2222 2 sz LIA 1 BK 1 ae x 2 21V 3TN3 HTR 12 E 5 A BK 2 MELT CT3 P1 E NT W 27 out NEMA 5 30P IEC 60309 32 CB3 15A gt WAREN S 58 28 BR 6 BK 3 BK 3 po m 29 29 dea aw 7 1 30 30 Fl BI G LA 15 2 49 AMP SSR W z z E HX OLI 2 zt Bs 21 31 Ev GUI L2 UE 2115 y 32 32 RINA MAG1 en Pon BEES E 1 9 208 240 mde 12 MAS EM 3 PHASE DELTA KS HEAIER SSR SSR KE CATOR AC 33 36 elc 59 38 X gt THE M2COJ gt ES Wi dE 3 A PE AA GNE E Z W 5 WT ONGC 45 4a VCUNTING 4OLES mH Ped ma H 1 R 2 wie Ai 14 NEMA 15 15P IEC60309 6 AMP El AN N Palio 12 L1 SA 551 12 e BL 11 24V RIN Jj L3 GRA 24V RTN N 8 22 3800 415 VAC DUE ec PHASE WYE GRY 3 RZ 7 T No W 14 SOD_ING 125 F MCTL 11 5 BK2 MOTI BLOWER MOTOR SPEED CTRL BM JI 0V 24V RING mH DFITA M 0 10 576 EMR IN i 5 meo B 230 FRECIO
37. 4 6 ADJ RF VF I 089 W 7 BK 11 Tm HX HEATER ELEMENT 4800W T 50A 2 13 2 R 4 24VDCC 0 1 3 W 14 1208 BL 4 24VDC POWER SUPPLY V FANI COOLING 24 00 HI LIMIT 12 gt 24VDC 24VDC V 24V RIN IN 4 _____ V 24V GR Y 1 BLWR MTR TI BLK 12 BRN 5 RED MCTL P1 J1 24V OUTI 12 J6 TS NN SOOO ADOS WN MNN AUN LO COLO P IO X3COCOO0 ANOS ANDA O ONO III II N lt ou gt AJ AWN PLS HX THERMOCOUPLES GND THRU NON CN CN ON 000 OO gt c MOUNTING HOLES MCTL BM OUT cm EU E 230 VAC 1 E 50 60 Hz FN LOSS RES FWD R 240 VAC 3 PHASE OUT ER MOTOR 5 ED CIR 24V RIN3 RELIANCE 520 X06P0A2000 SH lt 0 L 0 B U REV RU CONFIG 0 4 20 SPD CO ee gt lt
38. 6 and 7 Amps then double loop the wire thru CT1 twice then perform a self test If the self test fails then replace board 6 10 7 COOK DOOR ASSEMBLY TurboChef Technologies Inc C Series DOOR SWITCHES AND CIRCUIT BREAKERDOOR SWITCHES The C series ovens have 3 door switches as mandated by law The C3 AB and C3Multi have one door switch located on the left hand side CDS and is called the secondary switch The other two switches are located on the right hand side CDP amp CDM One is called the primary switch CDP and the other is called the monitor switch CDM The C3 C and C3 CMulti switch orientation is reversed i e the monitor CDM and the primary switch CDP are located on the left side of the oven The secondary CDS is located on the right side of the oven The monitor switch must close before the primary and secondary switches close as the door is closed or the circuit breaker will trip If the primary or secondary switch is defective and not closing the screen will display a door open error message To determine what sequence the doors are closing in you will need to access the Test mode and activate the Test mode By doing so you will activate the status indicators at the lower left bottom of the display Slowly close the door once you have activated the Test mode and observe the status indicators As you close the door the M indicator must change from a highlighted state followed by the S i
39. AMENT TRANSFORMER 102091 M9609 2 RELAY amp SOCKET T0278 amp T0309 MAGNETRON HV TRANSFORMER 102093 T0262 101891 100480 6b K3 RELAY amp SOCKET T0278 amp T0309 MAGNETRON 100860 6c K6 RELAY amp SOCKET T0278 amp T0309 BLOWER MOTOR SPEED CONT 100441 CONVECTION MOTOR ASSY 0299 7 SOLID STATE RELAY FOR HEATER 101285 TRIP COIL BREAKER 103171 8 K4 SOLID STATE RELAY FOR MAGNETRON 101285 7 SOLID STATE RELAY HEATER 101285 9 SMT CONTROLLER BOARD T0265 THERMOSTAT MAGNETRON THERMOSTAT ELECTRICAL COMPARTMENT 102085 102070 Notes Part Number 100441 Reliance Blower Motor Speed Controller will be replaced by 100444 Delta Controller amp FSB10034 doc EMI FILTER 100542 NOT SHOWN FIGURE 6 1C Electrical Component Locations C3Multi Only Electrical Compartment and Controls ELECTRICAL COMPONENT LOCATIONS C3 C MULTI OVENS ONLY
40. Blower Motor Operation How to Turn Blower Checking Input Voltage at Motor Controller Blower Circuit Defective Messages SP 200 Blower Motor Controller Fault Codes amp Troubleshooting Delta Blower Motor Controller Fault Codes 4 Trobleshooting Convection Motor Parts List 1 Chapter 9 Microwave Circuit Measuring for Microwave Radiation Leakage Microwave Circuit Defective 5 Magnetron amp Monitor 22 20 2 1 7 7 Magnetron High Voltage Power TCSUNG are Magnetron Removal and Replacement Component Testing Diode Capacitor Transformer Transtormer SDeclleallOliS Waveguide Components Parts List Chapter 10 SMT I O BOARD 4 Schematics AB SC CIM _ __ C3 C Schematic C3Multi Schematic I O Board Layout 7 13 7 16 7 18 7 21 10 2 10 3 10 4 10 5 READ THIS FIRST Before working on the TurboChef Technologies Inc C Series oven you must first read the safety instructions on the following
41. C CONVERTER HEATER BAFFLE C3 AB AND C3 C ONLY FIGURE 8 1 Catalytic Converter Access Hi Limit Thermostat 18 HX Thermocouple 17 FIGURE 8 2 Thermocouple amp Thermostat Locations 8 5 TurboChef Technologies Inc C Series CONVECTION ELEMENT ASSEMBLIES OBSOLETE MODEL SHEATHED HEATER ASSEMBLY ALL MODELS OPEN COIL HEATER ASSEMBLY MODELS C3 C3 AB AND C3 C GASKET 3PHASE HEATER COVER PLATE SHEATHED HEATER SHEATHED HEATER WASHER FLAT HEATER 5 8 WASHER FIBER 5 8 5 8 18 CRES 7 PLATE C3 HEATER MOUNTING 8 GASKET 3PHASE HEATER COVER 9 HEATER ELEMENT OPEN COIL 10 WAHER SPLIT LOCK 8 32 C3 C3 AB ONLY M4 C3 C 11 SCREW 8 32 X 38 PPHD CRES C3 C3 AB ONLY M4 X 10 C3 C a W N Note TC3 0200 Kit Retrofit Sheated Heater replaces the above obsolete model FIGURE 8 3 Convection Heater Assemblies 8 6 CONVECTION CIRCUIT PARTS LIST See Figure 8 3 10 10 11 11 12 13 13 14 17 18 TC3 0194 TC3 0202 100652 1 100652 3 100652 3 NA TC3 019
42. EASE DUAL CAPACITOR C1 TO 1 20 uF 4 SEE XIOYA DRAWING C0420 FOR 200 2087 OVENS BL 5 OP TIONAL IS CONNECTED 12 2 FUSES 12A EACH Fl F2 K3 FIL FOR 240V OVENS BL 5 102091 MAG BRA L1B gt I8 189 8130 44 93 2 121 53 e m PE P BL 1 3 5 BL 5 20 2002 ee 2 D afr e e a A W 21 240V 3 C5 W 113 ze T STR MOTOR ASSY FA FOR 60 HZ OVENS W 109A A MAG M IU o STIR IN 05 W 20 4 MIR FOR 50 HZ OVENS W 109A NO Wi as 25 02120 CONNECTS 1 2 TO 1 3 1 212 24V RIM P1 i n NEMA Y EMI Le 820MW4 C1 5 1 1 05uF FILTER y 0B1 35A a K4 MAGA li 1094 1 20uF Nd NB R 15 Rly BR 3 5 71 BR 4 4 gt 1 22 L2A TOI T 250HZ PEO 6 P 0 W 109 C 111 GR Y 108 W 2 El G FS s w HI LIMIT LRC F18488 wi lo 34 4 B3 6 FOR 60 HZ OVENS W 109 15 m VFD DISPLAY oe R 2 3 CONNECTED TO 1 6 BR 8 11 mel COIL OR 1 2 m FOR 50 HZ Ul JUS IS OR 2 7 481 7 eS 64 128 DOTS BL 3 K2 MONITOR ET ae e0 BR 2 34 2 K6 MAG FAN R 7 7 W 12 B 24V RIN BK 10 6 95 _ 8 do WR SGU AAA NUES Bi T 24VDC 8 3 AIME 25 26 RES UR MAG COOLING FAN C W 14 1 COLOR CODE b m 75 26 keen pre 25 26 BK
43. EGUIDE COMPONENTS PARTS LIST See Figure 9 6 Item Part Number Description Used on Model s 1 2 10 10 11 11 12 12 13 14 15 T0266 T0289 C0289 T0290 C0290 T0282 T0284 T0397 C0391 T0283 100891 101550 TBD 102370 TBD 101590 TBD 102380 TBD 102035 102716 102270 BLADE STIRRER SHAFT STIRRER SHAFT STIRRER HUB STIRRER SHAFT HUB STIRRER SHAFT SPROCKET STIRRER SHAFT 125 BORE BELT STIRRER MOTOR MOUNTING PLATE STIR MOTOR MOUNTING PLATE STIR MOTOR SPROCKET MOTOR 4MM BORE MOTOR 6 RPM SCREW 4 40 X 5 8 PPH SS SCREW M3 x 12 mm SS WASHER SPLIT LOCK 4 SS WASHER SPLIT LOCK M4 SS SCREW 6 32 X 3 8 PPH SS SCREW M4 x 8 MM SS WASHER SPLIT LOCK 6 SS WASHER SPLIT LOCK M4 PIN CONNECTOR CONNECTOR HOUSING WASHER INTERNAL LOCK 6 55 9 12 ALL C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI All All C3 AB C3MULTI C3 C C3 CMULTI All All C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 AB C3MULTI C3 AB C3MULTI C3 AB C3MULTI TurboChef Technologies Inc C Series WAVEGUIDE COMPONENTS PARTS LIST con t See Figure 9 6 Part Number TBD 700 1339 1 C700 1339 1 700 1321 102650 700 1213 700 1333 100480 100206 102091 102093 Description WASHER INTERNAL LOCK M4 SS CLAMP WAVEGUIDE SIN
44. FICATIONS Main Transformer Anode Primary DCR 0 58 Ohm Secondary DCR 5 6 46 39 Ohm 5 7 54 00 Ohm 208 240 VAC 50 60 HZ 9 0 Amps RMS Input Voltage Input Current Anode Voltage 2400 VDC Peak 9 0 83 Amps Primary DCR oecondary DCR Input Voltage Input Current Filament Transformer 1 2 28 2 Ohm 1 3 27 8 Ohm 4 5 020 Ohm 200 208 240 1096 50 60 HZ 0 42 Amps 208 VAC 0 35 Amps 240 VAC Filament Voltage 4 6 VAC 14 Amps TABLE 6 1 Transformer Specifications DIODE TESTING A WARNING DO NOT attempt to measure HV directly 1 Isolate diode from circuit 2 Connect the meter leads to the diode terminals 3 Resistance readings open should be indicated in the reverse direction 4 Resistance readings in the forward direction may be indeterminate due to the number of diodes in series making up this assembly 5 If there is continuity in both directions shorted diode 9 9 CAPACITOR TESTING 1 Disconnect the oven from the power source 2 Isolate the capacitor from the circuit 3 Fully discharge the capacitor 4 Connect the ohmmeter between the capacitor terminals The meter should indicate a low impedance and then slowly return to infinite resistance 5 Reverse the ohmmeter leads Repeat step 4 6 Check each terminal to case Infinite resistance open should be indicated TurboChef Technologies Inc C Series A WARNING Use extreme caution whe
45. Federal regulations ADJUSTMENT 1 Remove the left and right side access covers body sides 2 Remove the lower louvered front access panel 3 Remove oven top It is secured in place with four 3 8 Nylock nuts to the upper frame sides 4 Remove screw located on bottom of left side corner trim front of oven and carefully bend the trim out of the way to allow access to left side switch assembly and associated hardware See Fig 7 6 a amp 7 6b RIGHT SIDE OF OVEN NOTE The and C3 Cmulti oven switch arrangement is different from the and the C3Multi The and C3 Multi monitor and primary switches are on the right hand side of the oven and the secondary switch is on the left hand side of the oven Regardless of their position on the oven the procedure for adjusting the switches is the same for both types of ovens See Figure 7 3 5 Remove magnetron plenum assembly secured by one PPH screw at rear of oven The plenum assembly is located on the bottom right side of the oven 6 On models C3 AB and C3Multi it may be necessary to remove the 35 AMP circuit breaker in order to gain access to the limit switches If this is necessary label each wire prior to removing it from the Circuit Breaker in the following step 7 Carefully pull down two tabs on the bottom of the circuit breaker and pull the breaker up and out to remove it from the din rail allowing access to the switch brackets on the
46. G e UT e adi o e To reduce the risk of burns electric shock fire injury to persons or exposure to excessive microwave energy Read all instructions before using the appliance Read and follow the specific PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY found on pages iii amp iv This appliance must be grounded Connect only to properly grounded outlet See GROUNDING INSTRUCTIONS found on page v Install or locate this appliance only in accordance with the provided installation instructions some products such as whole eggs and sealed containers for example closed glass jars may explode and SHOULD NOT be heated in this oven Use this appliance only for its intended use as described in the manual DO NOT use corrosive chemicals or vapors in this appliance This type of oven is specifically designed to heat cook or dry food It is NOT designed for industrial or laboratory use Children SHOULD NOT use this appliance DO NOT operate this appliance if it has a damaged cord or plug if it is not working properly or if it has been damaged or dropped See POWER SUPPLY CORD REPLACEMENT found on page v This appliance should be serviced only by qualified service personnel Contact the nearest authorized service facility for examination repair or adjustment DO NOT cover or block any openings on the appliance DO NOT store this appliance outdoors DO NOT use this product near water for example nea
47. GLE WIRE CLAMP WAVEGUIDE SINGLE WIRE SEAL RING WAVEGUIDE WAVE SPRING WASHER PLUG WAVEGUIDE QUARTZ SEAL PLUG TEFLON HV Diode HV Capacitor 2500 V Filament Transformer Magnetron Transformer T1 9 13 Used on Model s C3 C C3 CMULTI C3 AB C3MULTI C3 C C3 CMULTI C3 C C3 CMULTI All All All All All All All 10 I O Board 4 Schematics TurboChef Technologies Inc C Series 1 NOTES UNLESS OTHERWISE SPECIFIED VEN SHOWN WI 3 4 ALL POWER OFF AND C K DOOR OPE A x USE JU INIS F NTINUNITY PER BE NNECTIONS ARE INTER ALLY C 015 AN D 105 TEST FOR INTER CK M NITOR EST INCRE DUAI N ECTED SAME 1 NEMA 6 50P EMI LH FILTER F1 afr POINT R 1 20 ur BR 1 BL 1 RQS Fe See Note 4 ol gt ell INPUT E La G LRC 18488 E1 T Ed ord 129 UJ C T WN
48. If it hangs or does not return to the exact position each time readjust the cam roller assembly 12 If it is determine that a proper adjustment can not be made it may be necessary to reposition the bottom hinge on the door To do this loosen item 11 see Figure 7 6 on both sides of the oven With all screws loose close the door and push in and down on the door While doing so tighten all screws on the hinge Now repeat steps 7 10 LIMIT SWITCH ADJUSTMENT PRIMARY AND MONITOR 13 14 19 Actuator tab should be positioned as shown in Figure 7 5 It should be parallel to the primary switch lever Adjust and bend needle nose pliers actuator tab as necessary When the door is closed and the actuator tab is in contact with the primary and monitor switches the switches should both be closed The actuator tab should be in contact with the switch paddles such that when the switches are closed there is about 0 020 of clearance between the switch paddles and the switch bodies Also the actuator tab should be at or close to horizontal and be positioned approximately 1 4 from the end of the monitor switch actuator tab Adjust the interlock switch brackets by loosening the screws as necessary See Figure 7 5 Once the switches and actuator are properly adjusted as the door is opened the primary switch should disengage before the monitor switch LIMIT SWITCH ADJUSTMENT SECONDARY 16 17 18 Refer to steps 8
49. LRRENT METER AFI as BL 3 T 50 60 Hz FWD RUN IMG m Mi 4 n 5 5 REST M2 a CRY 2 SPEED 1 M3 7 8 E 240 E a Ti 3LK p a8 SPEED 3 E BLWR Tzorn J gt 3 PHASE GROUND BD SSA an 1 2 I3 K D V OUT NO 12 113 14 Or MTR PED d ANNE BR SETS CONTACT RB 8 18 17 M NO N ES EE COMMON Rs ES 21 22 23 KEYPAD ARTWORK BEER CONTROL _ATE GROUND SCREW 18 3 K4 K5 KEONNECTIONS ary NO PART OR IDENTIFYING NUMBER NOMENCLATURE OR DESCRIPTION OTES SSR TOR VIEW PARTS LIST MATERIAL UNLESS OTHERWISE SPECIFIED SIGNATURE DATE URBOCHEF DIMENSIONS INCLUDE FINISH DRAWN _ FINISH NEE David Castillo 2 10 04 CONTI AAA o IN CHECKED TITLE ANGLES ob qe SCHEMATIC C3 C MULTI E e a 208 240 OR 380 415 1 OR 3 PHASE 50 60HZ PRODUCTION REMOVE BURRS amp SHARP 103 0215 a w 00784 Service Manual 045 NEXT ASSY USED PARENTHETICAL INFO BEE QNLY APPLICATION SCALE none KEY X SHEET 10 5 TurboChef Technologies Inc Series ace EE Ln Ab BL ET C3 a j bir G s eta eT 4 4 a lx FL R62 JL Cla Ar TI E XIII LI Ji ml
50. MP CLOSE OVEN same DOOR X TABLE 4 1 1 Notes 1 All Fault Codes listed in BOLD will terminate a Cook Cycle upon discovery 2 Any fault occurrence during Cook mode will be logged in the Fault Counter 3 ELEC OVR TMP EC TEMP HIGH F6 fault code will not terminate a cook cycle however it will alert the user of a possible air circulation problem Page 6 10 4 3 CHAPTER 5 TEST TurboChef Technologies Inc C Series Test Mode TO ENTER TEST FUNCTION MODE 1 From the standby mode press and hold both BACK and ENTER keys simultaneously 2 The display reads ENTER ACCESS CODE 3 Use the NUMERIC keypad to enter the following access code 9 4 2 8 Older Ovens 8 3 1 7 4 Press the ENTER key TEST FUNCTION OPTIONS The test screen displays the CC cook cavity and HX heat exchange temperature at the top of the screen The control displays page one of the test function options Press the DOWN ARROW key to display page two of the test functions options To access a test function corresponding soft key repeatedly Blower Speed The BLOWER key increments the blower speed in 10 steps When the blower speed is 100 the next press sets the speed to 096 Electronic Compartment Temperature The ELEC key displays the temperature inside the electronic enclosure Self Test Function The STEST key initiates a self test function to test all major components of the oven Press the L4 key once to run
51. OTE The catalytic converter can be cleaned with TurboCare oven cleaner and thoroughly rinsed with DISTILLED water Let the catalytic converter air dry before reinstalling IF TurboCare oven cleaner is not available DO NOT SUBSTITUTE USE DISTILLED WATER CONVECTION ELEMENT AND THERMOCOUPLES The convection element See Figure 8 1 is located in the rear back on the left side of the oven It is controlled by one or two solid state relays K5 and K7 depending on model located in the top center of the control compartment of the oven Each relay coil operates on 24VDC which is supplied the control circuit assembly The temperature is referenced by two K type thermocouples e The HX thermocouple is in the rear of the oven by the catalytic converter e The CC thermocouple is located on the top left side of the oven near the front by the door How To Turn Heaters ON and OFF 1 Press the BACK key until oven displays says OVEN OFF 2 From the OVEN OFF screen Press the BACK amp ENTER keys simultaneously and key in Pin number 9 4 2 8 then ENTER 3 Press the HEATER key and verify that status indicators h and H go from the highlighted position h H to the un highlighted position this indicates the heater circuit is energized the C3 AB and C3 C only one of the heater wires to the hot air element is looped through an inductance coil transformer on the I O control circuit assembly It must draw a min
52. RTS LIST SUMMARY Description Circuit Breaker CB1 35A Coil 12 Amp Aux Fuse 25 Heater Fuse Fuse Holders Convection Hiah Limit Convection Hiah Limit 24 VDC Power Supply Relay 24 VDC Coil 240 VAC Output amp Socket Solid State Relav for Heater Solid Sate Relav for Maanetron SMT Controller Electrical Compartment Cooling Fan EBM Electrical Compartment Cooling Magnetron Cooling Fan Stirrer Motor HV Diode HV Capacitor 2500 V Filament Transformer Maanetron Transformer T1 Magnetron Blower Motor Speed Controller ELECTRICAL COMPONENTS PARTS LIST CON T Series Ovens 6 6 Used Model s amp All C3 C All C3 AB amp C3 C C3Multi amp C3 CMulti All All All All All amp C3Multi amp C3 CMulti Electrical Compartment and Controls See Figures 4 1a b ltem Part Number Description Used on Model s C0299 Convection Motor Assy All 103170 Circuit Breakers CB2 amp CB3 15 Amp C3Multi amp C3 CMulti 101285 K7 Solid State Relay C3Multi amp C3 CMulti 102070 Thermostat Magnetron 212F All 102085 Thermostat EC Box All 100542 EMI Filters not shown C3Multi amp C3 CMulti T0286 EMI Filter amp C3 C 6 7 TurboChef Technologies Inc C Series CONTROL PANEL COMPONENT DETAIL
53. ST mode by pressing the BACK ENTER simultaneously and keying 9 4 2 8 then Press the MGTRON key one time and if the display shuts down check for Loose Wire Connection or Magnetron Cooling Fan shorted Output is 24VDC Verify Board has 24 VDC by checking the voltage on the D6 diode striped end to Chassis Reference Chapter 10 for details a No voltage Check wires from Power Supply to Board Voltage is 24VDC but 5VDC is not present on the I O Boards J3 connector Change I O Board Reference Chapter 10 for details If Yes Check all Connections between I O board and Display Correct any loose connections If all connections OK and 5 VDC is present on J3 connector but still no Display Change Display 2 No Keypad Input 1 Check Keypad Ribbon Cable going to I O Board a Cable and Connection Bad Replace Keypad b Cable and Connection OK Replace Keypad 3 1 Check operation of rear cooling fan Reference Schematic in Chapter a ELEC OVR TMP m 2 Check cooling air paths are not clogged or obstructed with grease or b EC TEMP HIGH residue front panel rear fan grill left and right side covers or c F6 EC TEMP Verify there are no high heat or grease producing piece of equipment such as a range top open grill fryer adjacent to the oven right side 6 9 TurboChef Technologies Inc C Series Defective Current Transformer on Computer Board SMT Board T0265 Background During the opera
54. TCH 2 8 811111 Mi_ot IN CIT T DELTA 5 ED 5 COOK DOOR yes 41 N c M n Y YELLOW I a Msg 3 4 ales 2 m V VIOLET 11616 24 voc IN P F CDM R 311717 24v 0011 S ens e C BK 5 e NN W WHITE Weg ob 2 51818 ES 0 MONITOR ZO RIN IN R 3 4 24VDCC 2121 24V RTN1 22 22 24V RTN2 T 24VDCC 2 23 24 RT TE MCLT CT3 AS AC 7 55 25 HEATER ELEMENT wg 26 26 BEEPER OUT 5 4800W Pe 2 2 MAF FIL OUT ET UPON en E P 0 MAIN_HX ay 3131 DETECTION BK 15 32152 24 RTN4 CONTROL W 7 31 21 24V 5 CIRCUIT R 4 gt S W 11 W 11 SE 383p A 31137 ISOLATED P BS HX ecd 38 38 gt THERMOCOUPLES a Mx 39 39 GND THRU Z OE 40 40 CC MOUNTING HOLES 2 J1 51 K4 K5 COOLING 24VDC s E DOR 424VDC 412 i VIEW BR 4 L apt R 9 24VDC P4 20 14 EJ 4 BL 4 N BK 1 24V RIN IN EN L8 BK 2 BK 10 24 RTN TE 822222 12 9 fro 11 Y 2 14 E 12 113 14 O R 8 MCTL K flan ATM STYLE 15 16 17 OUT CONTROL PLATE GROUND SCREW 4 al Q 2 BLOWER MOTOR SPEED CTRL a DELTA VFDOO7S21A 10V 10 0 10 VDC SPD CMD 21 22 23 0 10 5 4 BL 3 L 230 VAC FREO CURRENT METERAFM 5 50 60 Hz FWD RUN MO REV RUNIM 1 KEYPAD ART
55. TRA ER ABNORMAL WHEN K4 IS ENERGIZED AND K2 IS UNENERGIZED VIA THE ENING OF THE MONITOR SWITCH L1 AND L2 SHORT TO IRIP THE 9 5 COIL AND FAIL SAFE Magnetron High Voltage Transformer 102093 The magnetron transformer is a ferro resonant design which limits fault currents and minimizes HV TRANSFORMER OUTPUT VOLTAGE XB 2400 2400 v VDC Y 2400 urren CAPACITOR CHARGES ON POSITIVE VOLTAGE SWING Microwave Circuit magnetron power changes due to input voltage changes An automatic resetting over temperature switch is embedded in the high voltage secondary winding and removes power form the primary winding if an over temperature condition occurs In the C3 SERIES a separate transformer is used to preheat the filament for the magnetron for better operation MAGNETRON VOLTAGE Current Flow CHARGED CAPACITOR PLUS TRANSFORMER ON NEGATIVE VOLTAGE SWING The Magnetron Transformer steps up the input voltage to approximately 2400 volts peak 4800 volts peak to peak The High Voltage Capacitor charges to 2400 volts on the positive going voltage via the High Voltage Diode s forward conduction The Magnetron Transformer plus the charged High Voltage supply up to 4800 volts to the Magnetron on the negative going voltage High Voltage Diode is back biased The Magnetron converts the negative input voltage and Current to RF energy a
56. TURBOCHEF C3 AB C3 C C3Multi C3 CMulti CONVECTION MICROWAVE OVEN SERVICE AND REPAIR MANUAL w OCE TURBOCHEF TECHNOLOGIES INC www turbochef com 10500 Metric Drive Suite 128 Dallas Texas 75243 USA 800 908 TURBO 8 8726 2004 TurboChef Technologies Inc TC3 0215 Rev D January 2 2004 TurboChef Technologies Inc This page intentionally left blank Table of Contents mica BAM mid alls ERR RR TP Important Safety INSTUCIONS td Precautions to Avoid Possible Exposure to Excessive Microwave Energy lil Precautions to be Observed Before and During servicing to Avoid Possible Exposure to Excessive Microwave Energy IV Grounding Power Cord Replacement 2 2 2 RF Interference Considerations 7 vi Chapter 1 Installation Specs ON riera 1 2 1 2 Oven Location 1 3 Chapter 2 Cleaning amp Care Basic Cleaning Procede Ss Eod exit ee 2 2 Chapter 3 Theory of Operation Theory of Operation Description 3 2 Glossary of Common Operating Terms 3 3 Programming Mode 3 4 Chapter 4 Fault Codes Fault Gode 4 2 Fault Code Summary Ma
57. VAC unless specified If voltage supplied to oven is 240VAC then change oven setup by following the steps below 1 Press and hold the BACK amp ENTER keys simultaneously and then key in 8 6 5 8 VOLT 2 Press the number 4 to set the oven at 240 then press the number 8 to select the heater rating of 208VAC A small H will appear next to the OVEN OFF screen 3 Change wiring on filament transformer to represent supplied voltage Pins 1 amp 22 200VAC 208VAC Pins 1 amp 32 240VAC Replace the thermocouple as follows 1 Make a note where the old thermocouple exited the compression fitting 2 Measure the distance from the exit point to the end of the thermocouple Mark this distance on your new thermocouple with a marker or a piece of tape 4 Install the new thermocouple TurboChef Technologies Inc C Series Heater Circuit Defective Messages SELF TEST STEST WHILE COOKING CAUSE CORRECTIVE ACTION WARMING UP THERMO OPEN THERMO OPEN HX Thermocouple amplifier 1 Check Thermocouple connections on indicates open 999 or I O board connector See I O board CC Thermocouple amplifier section for details are not loose or indicates open intermittently making contact with mating connector 2 Replace thermocouple HX RISE LOW HX RISE LOW 1 During the warm up cycle if a Check main internal circuit breaker 14 F rise is not detected within 5 If tripped check the following minutes of initial warm up then ope
58. WORK GR Y 2 RESET M2 E N SPEED 1 3 w 16 1 1E 240 B 5 K 17 U gt 3 PHASE GROUND LEAD SPD CMD 8 4 UN IF NE RA Bi t8 W CONTACT g 0 RUNNING BMR W 6 SIGNATURE a E _ M com TU K1 K2 K3 CONNECTIONS D CASTILLO 22 TTT CQ TROL PLATE GROUND SCREW C3 C OVEN CHINA PRODUCTION ENGER SINGLE BOARD VFD DISPLAY D CASTILLO PHASE 208 240 VAC 50 60 HZ RODUCTION DASH NEXT ASSY USED ON 10 4
59. and the power board internal to motor controller 2 Reset drive to factory defaults 1 Switch off the power supply 2 Check whether the input voltage falls within the rated AC drive input voltage Switch on the AC drive HPF Hardware protection failure 1 Return to the factory Replace controller codE Software protection failure 1 Return to the factory Replace controller CFR Auto accel decal failure 1 Do not use the function of auto acceleration deceleration Ground fault The AC drive output is abnormal When the output terminal is circuit protection is provided for AC drive protection not user protection Communication Error External Base Block AC drive output is turned off m grounded short circuit current is 50 more than the AC drive rated current the AC drive power module may be damaged The short Ground fault 1 Check whether the IGBT power module is damaged 2 Check for possible poor insulation at the output line 1 Check the connections between the AC drive and computer for loose wires 2 Check if the communication protocol is properly set 1 When the external input terminal B B is active the AC drive output will be turned off 2 Disable this connection and the AC drive will begin to work again Convection Circuit
60. e to allow the cleaner to penetrate DO NOT soak the Ceramic Cook Platter or Waveguide Cap in water Waveguide Cap Exhaust Cover 2 Clean the ceramic cooking platter and wave guide cap using brushes and scrub pads to remove all cleaner and debris Inspect for damage and replace as required 3 Reinstall the clean wave guide cap into the oven This will protect the wave guide seal while the cook chamber is cleaned 4 To clean the interior of the oven use 3 x5 green scrub pad Use only TurboCare Oven Cleaner on tough spots DO NOT wash out the interior cooking area The waveguide quartz seal is not a water tight seal Wipe out the oven with a damp rag If the door area needs cleaning be careful not to damage the small rubber gasket around the door shunt area 5 Remove the lower access panel and grease collection pan Empty clean and reinstall the pan 6 Verify the louvers on the front and side of the oven are clean of lint and unobstructed MONTHLY CLEANING Hemove and clean the exhaust cover from the back of the oven Lower Access Panel FIGURE 2 1 Cleaning 2 2 CHAPTER 3 THEORY OF OPERATION TurboChef Technologies Inc C Series INTRODUCTION The TurboChef C3 C oven utilizes two independent heat transfer mechanisms in order to rapidly cook food The systems are as follows Convection and Microwave energy By combining these mechanisms and with our ability to control each mechan
61. e with the Federal Performance Standard MUST BE performed on each oven prior to release to the owner Refer to page 6 2 of this manual for microwave leakage testing procedure SAVE THESE INSTRUCTIONS GROUNDING INSTRUCTIONS This appliance MUST BE grounded In the event of an electrical short circuit grounding reduces the risk of electric shock by providing an escape wire for the electric current This appliance is equipped with a cord having a grounding wire with a grounding plug The plug must be plugged into an outlet that is properly installed and grounded A WARNING Improper use of the grounding can result in a risk of electric shock Consult a qualified electrician or serviceman if the grounding instructions are not completely understood or if doubt exists as to whether the appliance is properly grounded DO NOT use an extension cord If the power supply cord is too short have a qualified electrician or serviceman install an outlet near the appliance POWER SUPPLY CORD REPLACEMENT If the power supply cord is damaged it MUST BE replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard General Note about Construction Please be advised that the TurboChef C3 series ovens are manufactured in various locations as such the C3 C and C3 Cmulit are constructed using the Metric System Therefore it is very important to note the model number of the unit you are servicing to en
62. en place your hand inside cooking chamber and as you ramp the blower air a substantial difference should be noted Checking input voltage at motor controller 1 Place Oven in Test Mode 2 Press BLOWER Key and Measure Voltage DC between Pin 7 SP 200 or Pin AVI Delta and ground Heference Table 8 1 SP 200 Pin Delta Controller Pin AVIz 0 10VDC SPD CMD 3 Functional Loss Reset 4 Forward Run MO FWD Command GND Ground 112 24V Common RC 24V Com 12 Running command RB Running Command BLOWER MOTOR RPM VS LOW VOLTAGE INPUT TO CONTROLLER Motor Speed RPM Voltage Measurement VDC 0 0 varies from O to 0 2 7 0 to 10 VDC 2 Reset TurboChef Technologies Inc C Series Blower Circuit Defective Messages SELF TEST WHILE COOKING CAUSE CORRECTIVE ACTION BLOWER STATUS BLOWER STATUS Blower motor speed 1 Verify jumper on P3 of control or F1 BLOWER or FIBLOWER controller not returning the board is present and placed see wiring diagram section See status indicator A for details Note If the door is opening Pins 1 amp 2 Reliance Controller intermittently the blower Pins 2 amp 3 Delta Controller will cease to operate Check Auxillary fuses refer to schematic Verify incoming voltage is present on controller input 200 240VAC Verify status indicator A is not highlighted See Page 5 3 Check controller output voltage on motor controller see Table 8 1 Check fault messages on blow
63. er 9 for troubleshooting Hot air heater element Use VOM meter 240V element is 12 ohms current is 20amps 208V element is 9 ohms current is 23 amps C3 C oven only Check the 25 Amp fuse inline with the CB1 and the heater Reference Chapter 8 Solid state contactor K5 See above for correct current draw The coil operates on 24v dc K7 for hot air element oolid state relays tend to Fail closed Check with VOM meter High limit amp K1 relay High limit tripped 670 F 350 C Reset high limit switch with C3 AB and C3 C only screwdriver Reference Page 8 4 for details Door switch closure Check Switches with VOM meter Reference Page 7 2 amp Figure 7 1 above Diode The magnetron transformer will draw excessive current greater than 15 amps meaning the diode is shorted to ground Reference Chpt 9 Table 7 1 7 3 TurboChef Technologies Inc C Series DOOR SWITCH ADJUSTMENT Tools Required 1 Phillips head screw driver e 2 Phillips head screw driver 3 8 socket wrench 1 4 drive e Needle nose pliers e Large flat blade screw driver GOAL The goal of this adjustment procedure 5 to have the Monitor Secondary and Primary switches close in that order as the oven door is closed The switches must open in the reverse order as the door is opened that is the Primary Secondary and then the Monitor open as the door opens This procedure is written to insure proper oven operation and compliance with
64. er motor speed controller refer to appropriate controller selection Check all connections in the blower circuit ribbon cables signal wires Check all interlock switches 9 Verify motor shaft turns freely if not then remove motor assembly and inspect wheel Convection Circuit Blower Motor Controller Fault Codes amp Troubleshooting NOTE f no fault condition exists the LED will be green If a fault condition exists the LED will flash redhen a local keypad is not connected All faults can be reset by cycling the reset control input pressing the stop key or cycling power except as noted in the Corrective Action column below NOTE To recycle power disconnect power for a full minute or until the LED extinguishes before reapplying power Reliance Blower Motor Controller Fault Codes amp Troubleshooting of LED Flashes Fault Description e Illegal control input sequence Control Input e Start attempt while STOP Fault Cause Corrective Action e 3 wire Verify Start and Jog inputs are not both ON e 2 wire Verify that only one input function loss input is off Forward Reverse or Jog is ON e Verify STOP function loss input is ON before attempting to start drive 3 Under Voltage Low input line e Check input line to verify voltage is e Temporary loss of input line within operating specifications e High input line Over Voltage e Decel time too fast e Overhaulin
65. g load e Check input line to verify voltage is within operating specifications Increase decel time Drive Overload e Excessive driven load e Reduce the load 5 Motor Overload Over Current 300 Bad Keypad Connection e Bad connection from keypad to drive e Excessive driven load Operating environment is too hot Fan is blocked or not operating Excessive driven load Shaft rotation blocked Excessive driven load Output wiring is incorrect or shorted Verify P 02 is set correctly Reduce the load Check for mechanical binding Verify the ambient temperature is lt 50 C Verify clearance above below drive Check for fan obstruction Replace if necessary Reduce the carrier frequency 64 Reduce the load Check for obstructions to shaft rotation or reduce excessive load Increase accel decel time Verify output wiring is correct e Verify keypad is properly connected to drive 8 10 TurboChef Technologies Inc C Series of LED Fault Fault Cause Corrective Action Flashes Description Negative Slope Conflicting parameter values e Adjust values of parameters P 50 through P 54 10 e PhaseU U e Verify output wiring is correct e Phase V e Verify output phase is not Ground Shon m grounded z W e Verify motor is not damaged 11 gt U V e Verify output wiring is correct U W e Verify motor is not damaged e
66. gently wiggle the door to free them Remove the door guiding the hooked portion of the trailing arm over the cam follower rollers 13 DOOR INSTALLATION Rotate cam follower assembly 12 down to vertical position to permit the trailing arms 2 to pass over the cam follower roller 11 in step 2 Assemble the door to the oven a Slide the trailing arms through the upper slots and over the rollers 4 The guide block assembly may b Slide the hinge bars not shown through the lower slots Use caution in installing the door to avoid bending the hinge bars If the bars bind in their slots gently wiggle the door to free them Attach the bars to the door hinge bar mounting brackets 13 with four 10 32 M5 UNF screws 11 on each side finger tight Apply 242 thread locker to screw threads prior to installation Close the door and apply even pressure approximately 15 to 20 pounds to the face of the door to squarely seat the door shunt on the oven face Continue to apply this force while tightening the four screws on each side two people are recommended Install the springs 8 on each side between the trailing arm and spring brackets See door switch adjustment section beginning on page 7 6 Any interference between any other component or wiring and the springs or trailing arms must be corrected before proceeding Install the front trailing arm guide blocks 14 a Assemble per s
67. gnetron plenum assembly Refit top cover and left and right side covers Plug the oven in and set the temperature to 525 F and allow the oven to come up to temperature and remain at temperature for 15 minutes Refer to Chapter 5 and put the oven into test mode At the bottom left of the screen are the letters P S and M As the oven door is slowly opened the background of the letters will light up indicating that the switches have opened Slowly open and close the door to confirm the proper sequence of the switches 5 M and M S P respectively If the sequencing is not correct remove the left and right side covers and adjust the switch brackets as necessary and retest the oven If the sequencing is correct while in the test mode refer to section 9 2 and perform the microwave radiation leakage tests TurboChef Technologies Inc C Series C3 C AND C3 CMULTI OVENS SWITCH CONFIGURATION 1 MONITOR PRIMARY SWITCH BRACKET 2 OCK MONITOR SWITCH WIN
68. hamfered lead in c The cam follower assembly roller 11 should be located on the ramp portion of the trailing arm with 0 020 to 0 050 gap between the top of the roller and the bottom of the trailing arm radius d Tighten the cam follower bracket nuts 2 Adjust the interlock switch brackets 4 and actuator tabs 8 NOTE Refer to page 7 5 for the final door switch adjustment This adjustment is completed after all door adjustment steps have been completed 3 Adjust the door pivot position for best alignment by inspecting for the following conditions a Ideally the microwave sealing planes the portions of the oven face and door shunt that overlap each other should touch since as the gap between the sealing planes increases it becomes more likely that the microwave leakage will increase However because of manufacturing tolerances the microwave sealing planes of the door shunt and the oven flange are not perfectly flat The best door alignment minimizes the gaps between the sealing planes both top and bottom b If the hinge bars have been pushed too far into their brackets 13 the lower edge of the sealing planes will be tight and there will be an excessive gap 4 5 Cook Door between the sealing planes along the top edge In this position with the top molding removed most of the hex head of the shunt screws will be seen the hinge bars have not been pushed far enough into the
69. ide one spacer block two guide blocks two spacers and two screws with lock washers NOTE The guide block assembly may or may not contain guide block support shims Guide block assemblies should be re installed the location they were removed from i e right guide block assembly re installed on right side to prevent potential trailing arm binding b Install one guide block assembly over each trailing arm and tighten screws 10 Install the interlock actuator tabs 8 a Open the door b Attach the interlock actuator tabs to the trailing arms with two 6 32 UNF M3 screws and lock and flat washers on each side NOTE As you face the oven front both actuator tabs are mounted on the inside of the trailing arms At the first closing of the door verify that the actuator tabs do not hit and bend on the trailing arm guides block assemblies 1 and 14 Verify placement of the actuator tabs to insure that the interlock switch levers do not bottom out on the switch body 6 If they do open the door and realign switch brackets and or actuator tabs again checking for interference with the guide as the door is closed DOOR ADJUSTMENT 1 Adjust cam follower assembly 12 to tension the trailing arms 2 to apply closing pressure a Close the door b Rotate the cam follower assembly so that the top of the trailing arm engages the rear guide 1 0 125 inch 40 125 0 031 above the top of the c
70. imultaneously When prompted enter the Access Code 9 and then press Enter Changing the Cook Chamber Temperature The first screen in Edit Mode allows you to change the Cook Chamber Temperature CC by pressing the Up and Down Arrow Keys The operator may adjust the temperature between 350 F and 525 F in 25 F increments Once you have selected the desired temperature press the Enter Key to set CC Altering a Recipe The C3 oven control has 64 unique Recipes available for the operator The Display will show 1 page of 8 Recipe Groups Each Group contains 8 Subgroups Recipes See Figures 3 1 and 3 2 To alter a Recipe enter Edit Mode as described above After you have entered the Access Code and set CC the screen will display the 15 set of 8 Recipe Groups Now select the Recipe Group that contains the individual Recipe you wish to alter Next select which Recipe you wish to alter by pressing the Soft Key corresponding to the Recipe Item See Figure 3 2 C Series EDIT GROUPS Group ITEM 5 ITEM 2 ITEM 6 ITEM gt 3 ITEM T ITEM Er eM 4 ITEM 8 ITEM Figure 3 2 Edit Groups 3 4 lt GROUP 1 ITEM 1 0 00 00 WARMING UP Figure 3 3 Edit Groups Use the and Down keys to navigate through a Recipe and use the Keypad and the Enter key to alter any of the following parameters COOK TIME Total duration of the Cook Cycle
71. imum current of 7 5 amps to satisfy the circuit If it does not the H status character on the Test Mode display will be a reversed character H 4 Depress the HEATER key again and the heaters will turn off Again this is indicated by the status indicators at the bottom of the screen h Status Indicators with HEATERS in the OFF mode P S M t h H A W Status Indicators with HEATERS in the ON mode P S M t h H A W Notes In order for the heaters to energize the blower motor must be operational usually indicated by status indicator A always un highlighted Convection Circuit IMPORTANT HEATER DISCUSSION The C series oven uses either an open coil or sheathed heater The open coil element is obsolete but may still be found in C3 AB ovens and C3 C ovens This heater is susceptible to cleaners not approved by TurboChef If this heater fails it should be replaced by the newer sheathed heater See Figure 8 3 The sheathed heater consists of two individual heating elements encased within one sheath therefore when replacing the single phase open coil heater with this unit on the C3 AB or C3 C you must wire the individual heaters in parallel When wired correctly the total resistance should be 12 ohms 240VAC 20 Amp draw At 208 VAC the total resistance should be 9 ohms 23 amps draw Changing Heater Operating Voltage All C3 C factory ovens are equipped with a 208VAC rating heater and set to operate at 208
72. ir brackets the upper edge of the sealing planes will be tight and an excessive gap will occur between the sealing planes along the bottom edge This could permit excessive microwave leakage along the bottom edge NOTE To correct B or C Loosen the door hinge bar screws 11 on both sides Close the door and apply even pressure approximately 15 to 20 pounds to both sides of the door to squarely seat the door shunt on the oven face Continue to apply this force while tightening the four screws on each side two people recommended d By design there is a 0 030 clearance between the Phillips head screws securing the plastic shunt cover and the oven flange on the C3 AB and C3Multi The C3 C and C3 CMulti gap should be 0 060 1 50 mm Verify that one or more of these screws does not contact the oven flange and increase the gap between the sealing planes This condition may be indicated by the head of the screw s marking the oven flange If this is the case the door may be warped or the shunt may not be flat Adjust repair or replace the door so that when the door shunt is seated squarely none of the Phillips head screws contact he oven flange e Repeat adjustment steps 1 and 2 as required after completing door alignment Adjust the interlock switches per procedure beginning on page 7 6 After adjusting the interlock switches the oven must be checked for microwave leakage Refer to the page 9 2 for instructio
73. is a variable soeed convection motor which operates from zero rpm up to 7000 rpm The blower motor speed is controlled by a SP200 AC Delta drive control The speed of the motor is directly proportional to the applied low voltage to the SP200 AC Delta drive control from the control circuit card The blower motor operates during warm up cycle the normal idle operation for stabilization of the oven temperatures and also while in the cooking mode at a set desired speed Additionally during the Test mode which allows the technician to manually operate the blower ON and OFF to change the speed 096 to 100 HOW TO TURN THE BLOWER ON 1 Press the BACK key until displaying say OVEN OFF 2 From the OVEN OFF screen Press the BACK amp ENTER keys simultaneously and key in Pin 9 4 2 8 then ENTER Older units Pin 8 3 1 7 3 Press the BLOWER key to increase air speed from 0 100926 Each time the key is pressed and increment of 1096 will occur on the air speed 4 Verify status indicator A at the bottom of the screen is not highlighted P S M t h H A W 5 Verify that the blower motor rotates freely and does not vibrate from imbalance 6 Verify that the blower shaft rotates the counter clockwise CCW direction when viewing the shaft from the right side of unit 7 While in the TEST mode Open the cook door and ramp the blower speed from 10 1009 and verify air pressure is present from the top of the cooking chamber If oven is cold th
74. ism independently we are able to reduce the cook time of most foods by 7096 9095 For the purpose of this manual we will identify each independent heat transfer mechanism individually For instance if an oven is experiencing difficulties browning the food you know to focus on the Convection Circuit not the Microwave System If an oven is browning the food but not heating the food you will know to focus on the Microwave System The following block diagram represents the oven s different systems and their critical components If you are experiencing problems with any of the components listed below please turn to the appropriate section SECTION 8 Convection System Convection ection Blowe HEN Converter 22 6 Control System Board Display Mech Relays e SS Relays 2 Cooking Process Food Products Profiles SECTION 9 Microwave Syst e Magnetron HV Transformer Filament Trans HV Capacitor Mechanical Mi rowave Z Components 3 2 GLOSSARY OF COMMON OPERATING TERMS Display Primary interface to relay messages to the operator Keypad Primary interface for the operator to control the oven Cook Chamber Cavity in which the food products are cooked PRODUCT RECIPES Recipe The food product recipe programming consists of total time percent of total time per event percentage of hot air flow AIR required and mic
75. listed in order of hierarchy For example If during cooking the oven experiences an F1 and F2 fault the oven will only report a F1 fault since the software will halt all actions upon discovering the F1 fault In addition if a fault is detected the fault counter will increment If the fault is cleared the fault counter will not de increment View Fault Codes To view the Fault Log press the 4 and 6 keys simultaneously in the Off State The oven will display all logged faults See Figure 4 1 Each Fault Register will log up 255 instances before rolling back to zero The Cook Count will log up to 65 535 Cook Cycles Note order for the Control to log a Cook Cycle the oven must complete the 1 Event of any given recipe If a Recipe only has 1 Event the oven must complete the entire Cook Cycle in order to count the Cook Cycle TEST V CC XXF COOK FAULTS FI BLOWER F2LOWTEMP F3 MAG CURR MONITOR Fo MAG TEMP F6 EC TEMP Figure 4 1 Fault 4 2 Fault Code Introduction Note To reset Fault Counter Press the 0 key LOW MAG CURR HV BREAKDOWN or F3 MAG CURR the magnetron transformer is drawing less than 7 amps The normal current draw is approximately 9 amps The current draw is being monitored by the control board which has a current transformer mounted on it See section 6 LOW COOK TEMP or F2 LOW TEMP the temperature set for the C3 SERIES is not being maintained within 84
76. ll All All All All C3 AB amp C3MULTI C3 C amp C3 CMULTI All All All All C3 AB amp C3MULTI C3 C C3 CMULTI All All gt When ordering the above kit request Field Service Bulletin FSB100037 doc This page intentionally left blank 9 MICROWAVE CIRCUIT TurboChef Technologies Inc C Series MEASURING FOR MICROWAVE RADIATION LEAKAGE The following RF emissions test must be performed every time a service call is done on a C3 SERIES oven Report your findings on the work order The following areas must be measured when performing the RF test e Cook Door At any place on the outside of the oven with all covers in place Check for microwave leakage as follows 1 Remove front bottom trim piece 2 Place a load in the oven for testing The load must meet the following specifications A Load must be 275 ml 15 ml of water B The water should be 77 5 F 25 3 C C The container must be a low form 600 ml beaker with an inside diameter of approximately 3 35 8 5cm and made of an electrically non conductive material such as glass or plastic 3 Enter the TEST mode Refer to page 5 3 for instructions for accessing TEST mode 4 Position the door leak test tool on the door handle See FIGURE 9 1 for correct positioning of the leak test tool 5 Tighten the top screw to slowly open the door Stop when the control panel indicates that the door swi
77. mits 1 Ensure that the ambient temperature falls within the specified temperature range 2 Make sure that the ventilation holes are not obstructed 3 Remove any foreign objects on the heatsinks and check for possible dirty heat sink fins 4 Provide enough spacing for adequate ventilation Lu The AC drive detects that the DC bus voltage 1 Check whether the input voltage falls within the rated AC has fallen below its minimum value drive s input voltage OL The AC drive detects excessive drive output Current Note The AC drive can withstand up to 150 of the rated current for a maximum of 60 seconds 1 Check the motor overload shaft binding 2 Reduce torque compensation setting as set in Pr 7 02 3 Increase the AC drive s output capacity Internal electronic overload trip oL2 Motor Overload Check the parameters settings Pr 6 03 to Pr 6 05 1 Check for possible motor overload 2 Check electronic thermal overload setting 3 Increase motor capacity 4 Reduce the current level so that the drive output current does not exceed the value set by the Motor Rated current Pr 7 00 1 Reduce the motor load 2 Adjust the over torque detection setting to an appropriate setting 8 10 TurboChef Technologies Inc C Series Delta Blower Motor Controller Fault Codes amp Troubleshooting Fault Descriptions Over current during acceleration 1 Short circuit at motor output 2 Torque boost to
78. n taking any current readings Failure to do so can result in death or serious injury FILAMENT TRANSFORMER 820MW3 ANODE TRANSFORMER 4 5 4 6 VAC SECONDARY 0 20 OHMS 4 3 4 UNUSED FILAMENT 9 e S 8 WINDING a E y O O 7 5 50 HZ REAR VIEW 5 60 HZ 2 1 2 208 240 VAC A 6 0 58 OHMS 1 3 240 VAC 27 8 OHMS PRIMARY COMMON 2 1 Ds S REAR VIEW FRONT VIEW HV ANODE WINDING SECONDARY 5 6 60 HZ 46 39 OHMS 5 7 50 HZ 54 00 OHMS 1 2 200 208 VAC 23 2 OHMS T2 FILAMENT TRANSFORMER 240 VAC 4 200 208 VAC c 1 5 1 ANODE TRANSFORMER 3 HV CAPACITOR 208 240 VAC 7 50HZ a F e eee SE 6 60 HZ MAGNETRON E 15KV 4500 VPK 415 MA HV DIODE TRANSFORMERS DWG FIGURE 9 4 Transformer Testing 9 10 TurboChef Technologies Inc C Series Waveguide Components b 4 y w Waveguide Cap Assembly FOR CLARITY jJ SECTION REMOVED ER lt ul SS Launcher amp Stir Motor Assembly 9 11 Figure 9 6 Waveguide Assy Microwave Circuit WAV
79. ndicator and final the indicator As you open the door the sequence must reverse i e P S and then M If this sequence is not correct YOU MUST READJUST THE SWITCHES See section 7 6 7 2 WHY DOES THE CIRCUIT BREAKER TRIPPED IF THE SWITCHES ARE MISALIGNED In addition to the High Voltage circuit it is imperative to understand how the monitor circuit operates The Monitor Circuit is a failsafe circuit that is designed to protect the operator if both the Primary and Secondary Interlock Switches fail to operate normally The Monitor Circuit consists of the Primary Interlock Switch Secondary Interlock Switch Monitor Safety Switch Monitor Relay and Trip Coil When the Cook Door closes during normal operation the Monitor and Secondary Primary Switches close in this order When all switches are closed the microwave system is allowed to operate If during normal operation either Interlock Switch opens such as when the Cook Door opens the Control system will turn OFF the Microwaves however if the Monitor Switch opens before both the Primary and Secondary Interlock switches i e abnormal operation the Monitor switch will de energize the Monitor Relay When this occurs a dead short is placed across L1 and L2 The short then trips the coil on the circuit breaker which permanently interrupts power to the Microwave system thus terminating a cook cycle if the oven was cooking and preventing the heaters from energizing Thi
80. ns 1 Circuit Breaker CB1 35Amp with trip coil 2 Fuses 2x12 AMP C3 AB amp C3 C 25AMP C3 C 3 Convection Heat High Limit R7603 HV DIODE T0322 COOLING FAN 100596 MAGNETRON COOLING FAN 100597 STIRRER MOTOR 100519 T0262 101891 100480 4 24VDC POWER SUPPLY 100206 5 102091 6a K1 RELAY amp SOCKET T0278 amp T0309 MAGNETRON HV TRANSFORMER 6b K2 RELAY amp SOCKET T0278 amp T0309 MAGNETRON RELAY amp SOCKET T0278 amp T0309 BLOWER MOTOR SPEED CONT 6d RELAY amp SOCKET T0278 amp T0309 CONVECTION MOTOR ASSY 7 K5 SOLID STATE RELAY FOR HEATER 101285 N A 8 K4 SOLID STATE RELAY FOR MAGNETRON 101285 N A 9 SMT CONTROLLER BOARD T0265 22 THERMOSTAT MAGNETRON 102070 23 THERMOSTAT ELECTRICAL COMPARTMENT 102085
81. ns and acceptable limits TurboChef Technologies Inc C Series b PMO MOVE D DOOR REMOVAL AND REPLACEMENT LEFT SIDE 1 TRAILING ARM GUIDE 11 10 32 SCREWS C3 C3 AB ONLY 2 AILING ARM M5 C3 C C3 CMULTI EN OCK ACTUATOR BRACKET gt FOLLOWER ASSY 4 SWITCH BRACKE z FOLLOWER ROLLE 5 OCK MONITOR SWITC 2 XE 6 OCK PRIMARY SWITC ps DOOR HINGE BAR MOUNTING BRACKET 5 SCREW FRONT TRIM SHOWN WITH FRONT ACCESS PANE DOOR SPRING BRACKET ig acon SEI 10 BRACKET SPRING LEFT LEFT SIDE DOOR VIEW WMF FIGURE 7 C3 C Left Side 7 12 Cook Door DOOR REMOVAL AND REPLACEMENT PARTS LIST LEFT SIDE See Figure 4 3 amp 4 7a Part Number T0538 C0538 T0550 C0550 T0529 C0529 2 T0534 C0534
82. nter keys simultaneously and Enter the Access Pin D O N E and Enter When prompted press 9 to re enable or any other key to disable the Done State Time State This state can be removed to prevent the User from adjusting the Total Cook Time prior to pressing the Start Soft Key to begin a Cook Cycle See Figure 3 5 TurboChef Technologies Inc C Series Enter the Access Pin and Enter When prompted press 9 to re enable or any other key to disable the Time otate Passwords Edit Mode Back and Enter simultaneously Enter Pin 9 amp Enter Test Mode Back and Enter simultaneously Enter Pin 9 4 2 8 amp Enter Reset Control Soft Restart Back and Enter simultaneously Enter Pin 9 4 7 1 amp Enter Erase Back and Enter simultaneously Enter Pin 3 7 2 7 amp Enter When asked Erase Menu press 3 Figure 3 5 Time State Caution The Erase command will PERMANENTLY DELETE all To disable the Time State press the Back Arrow and Enter keys simultaneously and stored recipes and settings 3 6 CHAPTER 4 FAULT CODES TurboChef Technologies Inc C Series Introduction The C3C oven has the ability to continually monitor and log various fault conditions Some fault conditions will terminate cook cycles while others will not Please refer to Table 4 1 for fault codes The Codes are
83. nterlock Switch Monitor Safety Switch Monitor Relay and the trip coil on the 35A circuit breaker When the Cook Door closes during normal operation the Monitor and Secondary Primary Switches close in this order When all switches are closed the microwave system is allowed to operate If during normal operation either Interlock Switch opens such as when the Cook Door opens the Control system will turn OFF the Microwaves however if the Monitor Switch opens before both the Primary and Secondary Interlock switches i e abnormal operation the Monitor switch will de energize the Monitor Relay When this occurs a dead short is placed across L1 and L2 The short then trips the trip coil on the circuit breaker which permanently interrupts power to the Microwave system until both the Primary and Secondary Interlocks are repaired See Figure below for a schematic of the monitor circuit T1 HV IRANSFORME PRIMARY AND SECONDARY NTERLOCKS CLOSED COOK DOOR 7 a p 55 Amp Circuit Breaker VOLTAGE VOLTAGE 12 1 8 pu NOTE PRIMAY AND SECONDARY SWITCH NORMAL OPERATION 4 AND K2 ENERGIZE R ES INTERLOCK HV VOL TROL SIGNAL S SUPPLIED TO HV
84. nuity check between either filament terminal and the magnetron chassis should indicate an infinite resistance open MAGNETRON REMOVAL AND REPLACEMENT 1 Remove door hinge bar support angle 2 Remove magnetron cooling fan duct work and magnetron as an assembly 3 Unplug and remove magnetron Hinge Bar Support Angle 4 Install new magnetron 5 Check the oven for microwave leakage Refer to page 6 1 for instructions Magnetron Magnetron Cooling Fan FIGURE 6 3 Magnetron Removal and Replacement 9 8 COMPONENT TESTING A WARNING The microwave circuit cannot be serviced with the unit on The unit must be disconnected from the power source Failure to do so could result in injury or death A WARNING The HV Capacitor must be discharged before proceeding A WARNING Do not attempt to measure the magnetron anode or filament voltages Failure to do so could result in injury or death Microwave Circuit TRANSFORMER TESTING 1 Disconnect the power source and discharge the capacitor 2 Isolate the transformer from the circuit Wires are labeled but remember where they go Check impedance of the primary and secondary windings See TABLE 9 1 AND FIGURE 9 4 4 Filament winding should read less than 0 1 ohms Reconnect wires A e WARNING When replacing the anode transformer remove the varnish around the mounting holes to insure proper grounding TRANSFORMER SPECI
85. o high 3 Acceleration time too short 4 AC drive output capacity is too small Ocd Over current during deceleration 1 Short circuit at motor output 2 Deceleration time too short 3 AC drive output capacity is too small Ocn Over current during steady state operation 1 Short circuit at motor output 2 Sudden increase in motor loading 3 AC drive output capacity is too small The external memory IC can not be programmed m TI cFI Internal memory IC can not be programmed cF2 Internal memory IC can no be read cF3 Drive s internal circuitry abnormal Corrective Actions 1 Check for possible poor insulation at the output line 2 Decrease the torque boost setting in Pr 7 02 3 Increase the acceleration time 4 Replace with the AC drive with one that has a higher output capacity next HP Size 1 Check for possible poor insulation at the output line 2 Increase the deceleration time 3 Replace with the AC drive with one 1 Check for possible poor insulation at the output line 2 Check for possible motor stall 3 Replace with the AC drive with one that has a higher output capacity next HP Size 1 When the external terminal EF GND is closed the output will be turned off Under N O E F 1 Switch off power supply 2 Check whether the input voltage falls within the rated AC drive input voltage 3 Switch the AC drive back on 1 Check the connections between the main control board
86. off Status Indicators There are eight status indicators P Cook door primary interlock switch S Cook door secondary interlock switch M door monitor interlock switch t Magnetron over temperature switch e h Heater turn on command e H Heater current detected A Blower motor speed control run status W Magnetron current detected Example When the status indicator is highlighted for example M the status is open or null In this case the Monitor switch is in the Open State Serial Number NOTE This should only be needed when installing a new control The S N is located on the back of the oven behind the bottom access panel The first press of the S N key displays the oven s seven digit serial number Use the following procedure to enter the serial number 1 Press the S N key again to enter the edit mode 2 Right and left arrow key appear on either side of the serial number These arrows are used to navigate within the text Use the top left SOFT KEY to move the cursor to the left 3 Use the top right SOFT KEY to move the cursor to the right 4 Use the NUMERIC KEYPAD to change the digits as follows A Press the key once to enter the number B Press the key twice to enter the first letter C Press the key three times to enter the second letter D Press the key four times to enter the third letter E Press the key five times to enter the fourth letter if applicable
87. or may not be certified under US FDA and or ETL regulations equipment is designed and certified for safe operation when installed in accordance with local and or national codes Many local codes exist and it is the responsibility of the owner and installer to comply with these codes In addition if the oven is not UL or ETL listed it MAY NOT BE USED or SOLD in the U S A or any of its territories In no event shall the manufacturer assume any liability for damages or injuries resulting from installations which are not in compliance with the instructions and codes listed above DO NOT INSTALL an oven suspected of damage INSTALL this oven according to the policies and procedures outlined in this manual OVEN LOCATION The well planned and proper placement of your oven will result in long term operator convenience and satisfactory performance Be sure to place the oven in an area which is accessible for proper operation and servicing The countertop or work surface must be able to support the weight of 250 pounds The manufacturer shall not assume liability for damage or injury resulting from improper installation of equipment including temporary or unstable work stations or countertops There must be 2 5 08 cm between the top of the unit and any shelf or other surface The oven must be installed level front to back and side to side The oven legs may be bolted to the counter top if desired Countertop surface mus
88. owave Leakage Testing Microwave Circuit Microwave Circuit Defective Messages SELF TEST WHILE COOKING CAUSE CORRECTIVE ACTION LOW MAG CURR BREAKDOWN F3 MAG CURR LOW MAG CURR HV BREAKDOWN F3 MAG CURR European ovens only Note If this message is detected while cooking it will terminate cook cycle immediately MAG OVER TEMP F5 MAG TEMP MAG OVER TEMP F5 MAG TEMP Note If this message is detected while cooking it will terminate cook cycle immediately Oven CT1 computer board current sensor did not detect current to the magnetron transformer Notes 1 Magnetron must be ON to detect current in circuit 2 If main circuit breaker keeps tripping for no apparent reason check hi limit switch monitor relay heater mag ssr operation Oven software detected Magnetron thermostat open Implying the magnetron case temperature is above 212 F 100 C therefore opening switch and canceling magnetron operation or loose connection 9 5 1 Check main internal circuit breaker If tripped check the following operation Cook Door Switch Misalignment Chpt 7 Magnetron transformer Page 9 8 Hi limit switch Page 8 2 Heater Failure Page 8 2 Shorted diode 2 Check operation of the monitor relay door operation 3 Check input current to K4 1 wire Microwave circuit measures approximately 9 Amps If higher than 15A replace anode transformer See 9 8 4 Check diode 5
89. pages The C3 series oven is a combination convection microwave oven While servicing this oven an RF meter must be used at all times to check for microwave leakage This RF reading must be recorded on your work invoice Very often poor cleaning will result in microwave leakage Please refer to chapter 2 Cleaning amp Operation for information on the proper cleaning procedures Before removing the metal skin to access the electrical components in this oven the power must be shut off and the oven unplugged Wait at least one full minute before removing the oven skin so that the magnetron circuit can self discharge FAILURE TO DO SO MAY RESULT IN DEATH OR SERIOUS INJURY PLEASE NOTE THIS MANUAL ONLY COVERS C3 AB OVENS PRODUCED BY THE BLODGETT OVEN CORPORATION C3MULTI OVENS PRODUCED TURBOCHEF C3 C AND C3 CMULTI OVENS PRODUCED BY TURBOCHEF TECHNOLOGIES IN CHINA This manual is divided into ten 10 chapters as follows 1 INSTALLATION SPECS This chapter includes oven specifications and the parameters for proper installation 2 CLEANING amp OPERATION Improper cleaning can and will affect the operation of this oven This chapter includes a brief description of the cleaning and operation procedures of the oven and the procedures to edit or change a cooking program 3 THEORY OF OPERATION This chapter provides a total oven overview of all major subsystems in the oven Additionally it provides a list of major terms and programming in
90. r a kitchen sink in a wet basement or near a Swimming pool DO NOT immerse cord or plug in water Keep cord away from heated surfaces DO NOT let cord hang over edge of table or counter DO NOT use a water jet for cleaning See the Maintenance section of this manual To reduce the risk of fire in the oven cavity DO overcook food Carefully attend appliance if paper plastic or other combustible materials are placed inside the oven to facilitate cooking b Remove wire twist ties from paper or plastic bag in oven c If materials inside the oven should ignite keep oven door closed turn oven off and disconnect the power cord or shut off power at the fuse or circuit breaker panel d DO NOT use the cavity for storage purposes DO NOT leave paper products cooking utensils or food in the cavity when not in use SAVE THESE INSTRUCTIONS PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY DO NOT attempt to operate this oven with the door open since open door operation can result in harmful exposure to microwave energy It is important not to defeat or tamper with the safety interlocks DO NOT place any object between the oven front face and the door or allow soil or cleaner residue to accumulate on the sealing surfaces DO NOT operate the oven if it is damaged It is particularly important that the oven door close properly and that there is no damage to the a Door bent b
91. ration displays TU Interlock switches Chapter 7 2 HX Temperature failed to rise b Magnetron transformer Page 9 8 14 F in 30 seconds during the c Hi limit switch See Figure 8 2 self test mode 2 Check heater fuse F3 If fuse is blown check for short to chassis on all heater wires Check input current on heater wires See Page 8 3 Check operation of the heater relay See Page 8 3 Check blower operation Page 8 9 Check crimp connections on controller Check HX Thermocouple LOW COOK TMP CC Cooking Chamber Check main internal circuit breaker F3 LOW TEMP temperature has dropped more If tripped check the following than 84 F 47 or more below operation 2 55501590 Interlock switches Chapter 7 b Magnetron transformer Page 9 8 Hi limit switch See Figure 8 2 2 Check blower operation Chapter 8 9 3 Check CC Thermocouple circuitry Check Catalytic Converter Page 8 2 Check debris catcher pepperoni catcher See Figure 8 2 Verify cooking chamber top air nozzle holes are not clogged Open door and run blower from 0 to 100 and verify blower is working properly Air pressure Verify oven software is greater than Revision S C3AD S 8 4 Convection Circuit HEATER ASSEMBLY SEE FIG 5 3 FOR ALL OPTIONS INNER BRACKET CATALYTI
92. rowave MW level required Cook Cycle Total time of operation for a recipe Cook Event Segment of a recipe up to 6 events can be used for each recipe Duration Time in percent of total time of a single cook event Air Percent of convection air flow during a cook event MW Percent of microwave used during a cook event 3 3 Theory of Operation Cook Temperature Set Point Temperature should be constant parameter The same cook temperature should be used by all cook recipes MODES Mode The software environment which allows certain operations to occur There are several modes STANDBY COOK WARM UP and COOL DOWN in which the oven can operate Standby Mode The standby mode is similar to oven off In standby there is no power to the oven There is power to the control however the oven will not operate in standby mode Cook Mode Mode used to perform the normal oven operations such as monitor the key pad for requests to cook or change mode and maintain the oven at the cook temperature set point Warm Up Mode Mode to bring the oven up to the cook temperature set point Cool Down Mode Turns off all oven components except the cooling fan and circulation blower TurboChef Technologies Inc Programing Edit Mode Edit mode enables the operator to alter Recipes and the Cook Chamber Temperature CC To Access Edit Mode press the Up and Down Arrows Keys on the keypad s
93. s then requires a service call from a qualified technician to assure that the monitor circuit is properly repaired to prevent excessive microwave radiation Cook Door MONITO SHOWN IN FAILSA MOD BNORMAL HV IRANSFORMER PRIMAR NTER 7 50 HZ HA e ee 60 HZ 55 Amp Circuit Breaker CONTROL MEM CONTROL VOLTAGE 5 E VOLTAGE 2 MONITOR SWITCH OPEN 8 NOTE PRIMAY AND SECONDARY SWITCHES INTERLOCK HV VOL TROL SIGNAL NORMAL OPERATION AND K2 ENERGIZE POWER IS SUPPLIED TO HV TRA ABNORMAL WHEN K4 ENERGIZED AND K2 IS UNENERGIZED VIA THE ENING OF THE MONITOR SWITCH LI AND L I TO TRIP THE COIL AND FAIL SAFE Figure 7 1 CIRCUIT BREAKER TRIP CHART Possible Cause Circuit Information Magnetron transformer The magnetron transformer will draw approximately 9 amps when functioning properly Check winding resistances See Page 9 8 A 3 Amp draw indicates the diode is defective Solid state contactor for The coil operates on 24v dc Solid state relays tend to fail closed Magnetron K4 Check with VOM meter Reference Chapt
94. structions 4 FAULT CODES This chapter includes information on all fault codes currently programmed in the oven to display in the event of a major mulfucntion 5 TEST This chapter details the Test Mode which allows the technician to operate individual components or section of the C3 SERIES oven Using this feature will isolate most electrical troubleshooting problems 6 ELECTRICAL COMPARTMENT This chapter identifies the electrical compartment components including the smt board computer board and a troubleshooting guide Use the key to help isolate electrical troubleshooting problems 7 COOK DOOR This chapter includes information on the Cook Door adjustment assembly and troubleshooting techniques 8 CONVECTION CIRCUIT This chapter provided information on the convection and blower motor speed control Removal and cleaning of the catalytic converter are also provided 9 MICROWAVE CIRCUIT This chapter includes information on the microwave circuit and stirrer motor 10 VO Board Schematics This chapter includes information on board and schematics on ovens currently in the field latest production is only represented This Service and Repair manual is set up for use by qualified technicians only If you are unfamiliar with this oven call TurboChef Technologies Inc WHEN USING ELECTRICAL APPLIANCES THE FOLLOWING BASIC SAFETY PRECAUTIONS SHOULD BE STRICTLY ADHERED TO IMPORTANT SAFETY INSTRUCTIONS A WARNIN
95. sure you get the correct Metric component Care has been given in this manual to list the different part numbers for the Metric and Imperial C3 AB and C3Multi ovens In addition please note that most hardware on the C3 C and C3 Cmulti oven is metric unless otherwise specified SAVE THESE INSTRUCTIONS V RF INTERFERENCE CONSIDERATIONS This oven generates radio frequency signals This device has been tested and determined to be in compliance with applicable part of FCC part 18 requirements and to the protection requirements of Council Directive 89 336 on the approximation of the laws of the Member States relating to electromagnetic compatibility at the time of manufacture However some other equipment may exhibit sensitivity to signals below these limits resulting in interference with that equipment If your equipment experiences interference the following steps should be considered 1 Increase the physical separation between this oven and the sensitive equipment If the sensitive device can be grounded do so following accepted grounding practices If battery powered microphones are being affected insure that the batteries are fully charged Keep sensitive equipment on electrically separate circuits if possible DO NOT route intercom wires microphone wires or speaker cables near oven E s SAVE THESE INSTRUCTIONS vi 1 INSTALLATION SPECS TurboChef Technologies Inc C series OVEN DESCRIPTION
96. t ECN 0101002 DC 1 Modify BSMC mode 2 Ada fuse 29 3 Added distribution blocks Remove 240VAC number Added Ke socket Change GR Y 5 t Added note 4 Removed 2 pin connec 1 26 01 to Se0 X06P04 2000 Amp in series with heater and amp N relay Chi limit gt Change wire numbers per new schematic layout o GR Y 1 Change SSR layout to reflect physical component 0 Added Potentiometer Reference on I board tor from stirrer connection ECN Modify hi limit circuit 2 delete wires BR 6 and R 2 and added 12 VFD DISPLAY 64 X 128 DOTS CN2 123 P2 CN3 U MAGE 24VDCC CDM IN R 3 SWITCH 1 COOK DOOR O 111 4 R 9 COOK DOOR INLK CDS W 5 NC gt Co 24V SWITCH 2 6 BK 4 MONITOR 24VDCC 1 U I 28 J 723 c lt 2 Us 2 CC co onion ARS GG Jg gt A S CO ON DUI ES A P3 5 200 SP500 BMSC SEL _ A zi 2 1_OT IN 2_OT IN PARE1 IN IN PARES IN DB9P 24 VDC IN Sl R 42 R 2
97. t 2450 MHz with approximately 60 efficiency WARNING DO ATTEMPT TO MEASURE THESE VOLTAGES FIGURE 9 2 Magnetron High Voltage Power Supply 9 6 TurboChef Technologies Inc C Series Filament Transformer 102091 Background The filament transformer is a step down transformer from 208 240VAC to about 4 5VAC This voltage pre heats the magnetron filament allowing it to be ready once the magnetron is energized by the high voltage transformer This method in the industry is known as hot start and highly used to increase the life expectancy of the magnetron The filament transformer and stirrer motor are energized by K3 relay when the control signal is grounded at the same time K1 relay is energized to provide power to the magnetron cooling fan Both relays by means of software will remain in the ON state for 3 minutes after the MAGNETRON circuit has been turned OFF The typical failure mode of the filament transformer is intermittent operation meaning that it may not delivered 4 5 volts to the filament of the magnetron thus not pre heating the magnetron filament this cases the current going to the high voltage transformer may lag This can result in a MAG CURR LOW message AN DANGER Do not attempt to measure voltage at pins 4 and 5 of filament transformer without actually isolating it from the high voltage circuit disconnect anode transformer capacitor magnetron and diode If not isolated the circuit
98. t be at least 30 inches deep Operator is responsible for proper placement on the countertop TurboChef will not be responsible should an oven fall off a countertop due to improper placement or use by the customer Oven placement shall be readily accessible by a service agent Additional charges ma be incurred by the customer should product placement mandate required service labor charges due to accessibility to the unit 1 3 Installation Specs CHAPTER 2 CLEANING amp OPERATING TurboChef Technologies Inc C Series BASIC CLEANING PROCEDURES PROBLEMS ASSOCIATED WITH IMPROPER CLEANING The oven may not be operating correctly because it is not being cleaned properly If the door is leaking microwaves erratic operation of the display and other electrical components can occur Also food deposits left in the oven will turn into black carbon from the high heat Carbon can cause arcing inside the cooking area and can reflect energy back to the magnetron If a customer tells you they are experiencing cooking performance problems carefully inspect the cooking platter and waveguide cap for chips If the platter or waveguide cap are chipped and soaked in water they will absorb the water The water will then be heated instead of the food product The chipped part must be replaced DAILY CLEANING 1 Carefully remove the ceramic cooking platter and wave guide cap Spray both pieces only with TurboCare amp Oven Cleaner and set asid
99. tch has disengaged 6 Loosen the top screw slowly until the control panel indicates that the door switch has engaged 7 Testfor microwave leakage as follows This test must be done in conformance with 21 CFR Chapter 1 Part 1030 Performance otandard for Microwave and Radio Frequency Emitting Product Part 1030 10 Microwave Ovens C Requirements 1 Power Density Limit The equivalent plane wave power density existing in the proximity of the external oven surface shall not exceed 1 milliwatt per square centimeter at any point 5 cm or more from the external surface of the oven measured prior to acquisition by purchaser and thereafter 5 milliwatt per square centimeter at any point 9 2 A The tip of the probe should be touching the oven surface being measured with the probe handle perpendicular to the surface B Move the probe counterclockwise around the perimeter of the door starting from the upper right corner at a speed of less than 0 5 per second Be sure to probe entire door perimeter returning to the upper right corner 8 Exitthe diagnostic mode 9 Hepeat STEPS 2 and 7 with the cook door closed A WARNING If the unit fails the radiation test the oven must be taken out of service immediately until the defect is corrected In addition the Code of Federal Regulations 21 Subpart C 1002 20 requires that leakage readings of over 5 mW cm MUST be reported to the manufacturer FIGURE 9 1 Micr
100. the IAF key displays the selected idle airflow Subsequent presses of the IAF button increment the idle airflow in 10 steps from 20 to 50 When the idle airflow is 50 the next press sets the airflow to 20 All ovens are factory set at 30 TEST C3ADV 1st Screen Test Mode TEST C3ADV CC 81 500 F 2nd Screen Test Mode TurboChef Technologies Inc C Series 5 2 TurboChef Technologies Inc C Series PASSWORDS FOR OPERATING C3 C OVENS with C3AD Software Version access TEST SERVICE functions press and hold BACK and ENTER keys At the Enter Pin prompt key 9428 Older ovens 8317 WHAT and press Enter Reference Chapter 5 To access recipe EDIT press and hold Up and Down arrow keys At the Enter Pin prompt key in 9 factory default see Edit PIN below and press Enter Reference Chapter 3 select 208 240 VAC operation press and hold BACK and ENTER keys At the Enter Pin X prompt key 8658 VOLT and press Enter Follow screen instructions When 208VAC is selected the screen advances to 30 35 Amp selection When 240VAC is selected the screen advances to Heater Rating 208 240 selection Follow screen instructions Reference Chapter 8 Tochange the PIN for recipe Edit 9 is factory default press and hold BACK and ENTER keys At the Enter Pin prompt key in 3348 EDIT and press Enter At the Please Enter New PIN prompt key in from 1
101. the Self Test Press the BACK key to return to the standby mode Heater Test The HEATER key turns the heater on or off If the heaters are on pressing the key turns the heaters off If the heaters are off and the maximum HX temperature 900 F is not exceeded pressing the HEATER key turns the heaters on If the blower speed is 0 the blower speed is set to the Idle Airflow Magnetron The MGTRON key is a press and hold key to test the magnetron If the magnetron filaments are off when the MGTRON key is pressed the message MAG WARMING UP is displayed After a 3 second delay or if the filaments are already on MAG ON HF is displayed is the press the 5 2 fluctuating microwave power measured the wave guide Any time the MGTRON key is released the magnetron turns off The filament power magnetron cooling fan and mode stirrer remains on for three minutes NOTE The power indication is optional on the C3 C SERIES model oven Diagnostic Display The DIAG key turns on or off the diagnostic display feature This feature adds temperature displays to the menu group screens While cooking cook setting parameters are displayed when diagnostics are enabled With diagnostics enabled status indicators are displayed on the lower left of the display Each indicator is a letter which is displayed in a positive sense when the status condition is on The letter is reversed when the condition is
102. ti C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi C3 AB and C3 Multi and C3 Multi C3 AB and C3 Multi and C3 Multi C3 Multi CHAPTER 8 CONVECTION CIRCUIT TurboChef Technologies Inc C Series CATALYTIC CONVERTER The catalytic converter See Figure 8 1 is installed in the return air duct behind the heater assembly The installation of the catalytic converter requires a catalytic converter inner frame to properly position it in the air path Due to the nature of most foods and the physics governing the operation of the C3 SERIES oven grease buildup downstream of the cooking chamber is inevitable Strict cleaning regiments can solve a majority of the problems however recirculation of undiluted greasy saturated air is the main cause of downstream grease accumulation and any associated residual flavors The airborne grease tends to collect and bake onto the oven surface downstream of the cooking chamber This grease due to the high operating temperatures of the oven will start to rapidly decompose into derivative organic compounds These decompositional derivatives generally have positive and negative effects on cooking the shorter chain derivatives add favorable flavor characteristics to the food while the higher order carbon chains
103. tion of the microwave system the control board monitors current in the microwave circuit by means of a current transformer mounted on the controller board The current transformer must see at least 6 amps in order for the microwave to energize If it fails to register 6 amps the I O board may be defective and the oven will prematurely turn OFF the magnetron and display a LOW MAG CURR F3 MAG CURR message eee eee Pie i ee 4 E EF a 3 LE Figure 6 2 SMT Board T0265 Checking the controller current transformer Step 1 Place oven in TEST mode Press BACK key until the oven screen displays OVEN OFF then Press and hold the BACK and ENTER keys simultaneously and then key in PIN 9 4 2 8 access code then ENTER This will allow you to enter into the test mode to manually energize the magnetron Step 2 Place a load inside the oven about 275ml of water or an approximate amount inside a coffee cup Step 3 Clamp an ammeter on K4 1 wire same wire going thru CT1 on controller board and energize the magnetron by pressing and holding the MGTRON key for about 10 seconds If your meter measures current approximately 9 Amps 2 and the W indicator at the bottom of the screen does not un highlight while energizing the magnetron replace the computer board If the measured current is between
104. to 4 digits and press Enter Reference Chapter 3 enable or disable the Please Place Food in Oven screen press and hold BACK and ENTER keys At the Enter Pin prompt key in 5623 LOAD and press Enter At the Load Screen prompt press 9 to enable the load screen any other key turns off the load screen To enable or disable the Enter Cook Time screen press and hold BACK and ENTER keys At the Enter Pin prompt key in 8463 TIME and press Enter At the Time ocreen prompt press 9 Y to enable the time screen any other key turns off the time screen To enable or disable the Done Save Time Cook More screen press and hold BACK 5 4 and ENTER keys At the Enter Pin prompt key in 3663 DONE and press Enter At the Done Screen prompt press 9 Y to enable the done screen any other key turns off the done screen Note If you fail to timely enter the requested keys the function times out and returns to the Oven Off screen without making any change 6 ELECTRICAL amp CONTROLS SYSTEM TurboChef Technologies Inc C Series Electrical Component Locations
105. trix 4 3 Chapter 5 Test Test Function Detailed Description 5 2 Passwords for Operating ovens 5 9 Chapter 6 Electrical Compartment amp Controls Electrical Component Locations C3 AB 6 2 Electrical Component Locations C3 C 6 3 Electrical Component Locations C3 Multi 6 4 Electrical Component Locations C3 C 6 5 Electrical Component Parts Lists 6 6 Control Panel Detail 6 8 Control System Troubleshooting 6 9 SMT Board Troubleshooting 6 10 Chapter 7 Cook Door Door Switches and Circuit Breakers 7 2 Door Switch Adjustment 7 4 Door Removal and Replacement 7 10 TurboChef Technologies Inc Door Removal and Replacement Left Side Parts List Door Removal and Replacement Right Side Parts List C3 C AND C3 CMULTI Door Assy and Parts List Chapter 7 Cook Door and C3MULTI Door Assy and Parts List Chapter 8 Convection Circuit Catalytic CONVE Convection Element and Thermocouples How to Turn Heaters ON amp OFF Changing Heater Operating Voltage Heater Circuit Defective Messages Convection

Turbo Chef Technologies C3/C User's Manual

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