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321037 RF175 & RF195 Service

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1. 72 To RETO aveld IM Foam 72 T3 9 1 uU E 72 19 9 2 Sale Prac a M M 73 19 4 Gompressor 75 14 SRI Ic 76 14 1 Compressor Won t Start 76 14 2 Compressor Wont Start 05 is enced edt deb en ta 76 14 3 Compressor starts runs and then stops 76 15 WIRING DIAGRAM aa aaia 77 dsEd 4 9 VVIBIRIUE OE ET 77 15 2 RF175 Control Module Wiring 78 153 RF175 Ice amp Water Wiring DIAGFalm Ee deuda teat uo 79 154 RF175 Ice amp Water Control Module Wiring 80 1525 IRE TWA ICE amp Water Winnog estet 81 15 6 RF195A Ice amp Water Control Module Wiring Diagram 82 15 SERVICE REFERENCE rans casu OU 83 17 FAULT FINDING FLOW CHART 2 2 2 2 2 1
2. Does frost element pattern on evaporator indicate heavy usage Is Smart Tool data available Yes No Yes Is the product getting heavy usage Check that drain is Explain to customer that not blocked some ice condensation is normal in heavy usage Yes 94 17 7 Light Does the LCD Display Check power light up supply Yes Replace fault Check is light piace Tuy bulb OK component Yes Are all connections OK Repair Yes Refer to Section OK Repair replace faulty component Yes Replace power control module 95 321037 17 8 Door Switch Not Operating Switch product off and then on at power outlet to remove from any special modes If available a Smart Tool data Place diagnostics into download will verify door switch input output mode failures by very high door open counts V actual openings Does FC door L E D switch on amp off as FC door is gened and clos Does PC light switch on amp off as PC door is opened and closed Yes Is door magnet in place Refit door magnet Yes Are reed switch harness connections at power control module OK Replace reed switch Yes No Repair 96 17 9 Defrost Heater Faults Does the LCD display indicate a fault code Identify what the root cause is Yes Rep
3. 9 3 1 2 Pel MK CT bu a 9 S MEE ILE 9 3 2 1 9 3 2 2 Environmental Health and 9 02 9 Good Practice and noluit 9 4 05 10 41 eek censo adm 10 4 2 Leveling Compohenhls ete eeu ER ei 10 4 9 12 5 THEORY OF OPERATION E YI e DU o CE 14 Si TEMS sainan aa a a a a AT 14 SPEED io cere a a E 15 9 9 dhedelrigeratioh 16 DA toT 17 5 4 1 CondensateDISbOSdalLe sadicaitiear um ht de e ER US Uster UM 17 0 4 2 PUMICE 17 So Gna NETT cS
4. 33 729 RUPEE 34 TD VAG MOS UGS 35 Faut Godes ET TERR 35 Testing Ieemaker SENSO 40 CAZ ord vo ME to IP HH eset rbi uad 40 folo Testing Water ValVerscdssterdunbien tacos ab rue Rc Ves Ee eua 40 9 25 Cea RU Oa e aua 41 9 INPUT OQUIPUT STATUS 43 Fault TE 43 92 ToManually Force d DelrOSl uico 44 ga EG BID me E Tcr 44 94 To Manually Force the ICemaker don Re i okies 44 90 5 ct 44 10 DISPENSER 45 Pressure Dispensing 45 102 Ini one vext 45 10 3 Water Filter and sicui tare DE Fav cortex VE FER PR cn E Up Ced aoa eis 45 10 3 1 Installing the Water Filter ede d dear His PvE ia ROS 45 104 TO Rese ME FENCO ssi eo
5. H LEBER J F ORO ET EH Siete Tur ds li CLOSED MAGMETIC FIELD DSED 3ME FIC FIELD SENSOR REED SWITCH MC 2 2k0 2590 REED SWITCH in Dirt GkO DUC 2 2k0 259 WATER TANK DE LE ALL UO HF PAL NGIEWY idion AA THERMAL FUSE T2 C My 3 Se HEATER EARTH 1 B10N da Hu BSH 1505390 INS ISVdWO2 H3z3334 358 TIVA S5089 LNAWLYYANOS NOISIAOYd 77 321037 15 2 RF175 Control Module Wiring Diagram 4 1 if HE gt 2 es 55 226 PC LIGHT d ge oy BUTTER Ls L c MOTOR o MOTOR 2 Tx PHASE LIMIT SWITCH I 7 EH 12 T T NEUTRAL SOLEHOID T a ICE SENSOR i ov z 5 PHASE LHEUTRAL C TE un BN a FC DRAWER SENSOR 15 120 L NEUTRAL on Ir S C DOOR SENSOR C 12 HEUTRAL ae DOOR SENSOR So PHASE 42V LLI DO 22 Pa a 12VAC 12VAC PC FAH on 42V tr OR 1wvAac FC FAH T OR LAH OR e 42V 92 ov U WATER SEHSOR Ww Ce ce FC SENSOR 2 ov gt D er EVAP SEHSOR lt ZI ov T Li rov B PC SENSOR on cg un ov gt LCLK T 7 STROBE
6. tx EE EP cs 46 10 5 To Disable the Filter Alal usi iiis es e e li el rd tl ces ce o St 46 SERVICING PROCEDURES DR en a SP CE eU 47 TET Safety ConsideratiolS mE LE 47 11 2 Electrical Safety E 47 11 2 Door and Door GasKet alit uat ieu eis be 48 11 4 Component Removal amp Replacement 49 11 4 1 Removal Of Power Control Module 14 4880 49 11 42 pO Sensor Replacermellb beoe rer PEL Rb dei e EET 49 TLAS 302 Selisor REDIACEIME IE deua det E Eee i VM Ud 49 11 4 4 Removal of PC Fan Motor 4 488000 50 11 4 5 Replacing Cross Base Rail Reed 50 11 4 6 Removal of the drawer slide 50 11747 ony desee eati La ibo a dr ane p i ed ebd cr 51 4 6 Deal sese ue uem dictura iex Vin de 51 TAS emoval Orr BIIiscmestexa distin 51 11 4 109 Removal orhe EO DEW 52 11411 Refiting f the FC Drawel aigu ere a te cus nx Sem uc coe 53 11 4 12 Rem
7. 404 31v 1d T H35 OL 433334 1 NOLISOd S3 LO0N omdsiswe EA ondsziswa X X Lo J L1 1 L1 THH 1504330 H3pHOJSHWHL LAJN THORS Hibw3H AW SAADI IHJ 124 Jd 228 Haddi Hioc Hil aioNOT7OS OMONO1OS dzI15vH SM THIOW2OLS us l NNO3 3NITNI IHENYL dIN SN MM dud E JTD MMOD IHEN L MO dil aN Oe und x e 8 TE AZ wad NN OS SET NI 30 EIN Nvd Tv HOS SIHET INI ITOH elis dq NMOS LSF sr em TINI INITHI LSF d HOSSTHd Ao 319 BI3 3 NNO JAY Ev TAINH a qidom uaMod MMOS SIMET II ANY Hina We 3370 S508 HETI SH 5r 5 AW 1d S10 B y Hit x AG i ce ie is des T aini PREI m y a a tt BE 5 L LLLLLLLLLLLLEgE BIEE Hl B e EB am gt x M 1 1 I LL L jiii I PE Te og oe B A EN NE NEM z l a 1 lelg ar lz s 15 52 T 2 paz IP dit SE o o o 215 els id e us fh HERNI B NE i fw vim 11
8. Ice on grill e Clear ice off grill and check doors are sealing Fan off mountings Refit Wires touching Tuck wires away from fan blade touching part of the cabinet Fanmotornoiy Fit replacement S Wirstootight Re route wiring Ice Build Up In Doors sealing Check gaskets sealing adjust gaskets Compartment e Fit drain valve to drain tube Not Dispensing Dispenser Check the PC doors are closed Check dispenser connections Check if 12 volt supply is at the dispenser Check resistance of water valve Check for 12 volt supply at water valve Check water filter and pressure reducing valve 86 PROBLEM POSSIBLE WHAT TO DO CAUSES Water Won t Dispenser e Are there any fault codes displayed Stop Running Water Valve 5 the water valve energised e e Icemaker Is the water valve jammed open Is the water turned on Is the ice bin full Bins are in the wrong way Try forcing a harvest does it fill Not Producing Any lce Water Valve Icemaker sensor Water tape not turned on Icemaker turned off FC compartment not cold enough FC temperature hasn t reached 10 C 14 F Water pressure too low Water line is kinked squashed Filter blocked Check sensor open circuit poor connection Ice Cubes Have Unsealed packages Discard old cubes Odour may be transmitting Ensure foodstuffs are sealed co
9. 88 deetrigerator Nor ODeralllig seu eot op tibt tl 89 17 2 No Power to Power Control Module and or Display Module 90 IL ieu METTI Tee 91 Lie FO Too Gold PC a Pedido 92 Io gt EET 93 17 6 de eo s d Caii 94 NOLON M CE 95 17 0 Door owitchi Not ODeradlifiQa ese usta ese Ritus Dod ocn a 96 17 32 Defrost Heater Fauls 97 17 10 Compressor Fauls used io ue EY Pe RE e uiid Qut d t o db o be 98 17 11 Compressor RUNS Contiriuously irae ne nie Dus Ceu EO 98 17 12 Compressor Will Not Run and is Hot to 99 IAS GCompiessorElectrical acta cance pune ue tua en 99 14 14 Refrigeration System Faulls a eae xi os te d exe etu odes xv tU detinet ds 100 17 15 Not DISDENSING Water xci tH tu Urs aano I amt 101 TAIS NOLTTOOUGIDO ICG asn ecciesie aO Pt bte tot 102 321037 1 SPECIFICATIONS 1 1 Cabinet Specifications I amp W Non
10. Colder Warmer FC Setting F F Colder Warmer Default factory settings are 3 C 37 4 F for the provision compartment and 18 C 0 49 for the freezer compartment Note Crowbar setting for the PC is 4 C 24 8 F and for the FC is 26 C 14 89F Temperatures shown are average temperatures 33 321037 7 8 Internal Air Flow The freezer fan draws air through the evaporator and into a duct in the rear wall of the freezer compartment This air exits through the fan grill at the top of the freezer compartment The air behind the freezer coil cover is also diverted through the divider partition to another fan which supplies the cold air into the PC compartment The amount of air is controlled electronically by two sensors which in turn regulate through the power control module the speed of both PC and FC fans to maintain selected temperatures in each compartment Air from the PC returns to the FC evaporator by way of the return air duct which is built into the divider partition This air is drawn across the evaporator by the FC fan motor to be recirculated again throughout the PC FC compartments 7 PC Light Water Filter i Water Tank PC Sensor Position Return Air Flow Fan Low Ambient a A Sees Heater Defrost Sensor Light FC Sensor Ice Maker Reed Switch Evaporator 7 18 dq Fay Return Air Flow Wer El
11. X 1 FP US Product Capacity of Bottom Classic Right Hand Ice amp Water Colour Iteration Brand Market Type cabinet in Litres Freezer Door Hinging M Iridium 175 175 litres Drawer X S S Ezkleen RF 175 W C R U 7 D Market USA Brand Fisher amp Paykel Iteration 1 Colour Stainless Steel Ice amp Water Door Hinging LH left hand RH right hand series C Classic D Designer A French Door W Bottom mounted freezer drawer Capacity of cabinet Litres or cubic feet Product type Refrigerator 321037 3 SERVICING REQUIREMENTS 3 1 Specialised Service Tools For the servicing of this product specialised tools are needed 3 1 1 Static Strap To be used as ESD protection when replacing the console board 3 1 2 Interface Pen Mk 2 Used to retrieve and download data from the electronic control module along with the diagnostic programme on a laptop Part number 425930 3 2 Health amp Safety 3 2 1 Good Work Practices 1 Take care while removing all plastic components especially when cold 2 Leave the product clean and tidy when service work is completed 3 Extreme heat in cabinets will cause plastic deterioration or distortion and thermal fuses in the evaporator to go open circuit be careful with heat guns 3 2 2 Environmental Health and Safety When servicing products consider safety and health issues and requirements which must be adhered to at all tim
12. o DATA 7 42V i o2 x m n 78 321037 RF175 Ice amp Water Wiring Diagram 15 3 WaWso4sNv8L 7 A0 315 pm E 1 Eid i 23 E HH a a eee ET mem a L 1 1 b z SBSE d m i ROOM i E a 3 eee or cA A Addns 19714 THIS OL 83 423 1 TT TF TT TT TT IT TT TT om ISvH SILON F y n 39 gg m z NI mr 5 E BR CC oa ee d g Q3 d Lk dj pd L1 idl EE lONO10S 5 z H3MOd THH 1508130 H3NHOdSNVHI IHAN WAIE HiLv3H wein EO us MES UO HD SN UHM HaLYM 801 a TW NNO2 3NITNI IHSNVA NOdIN aN ou SONV4MOLON IT er 19 NvJ dNO2 Mita 31H34 NNO2 3NITNI SW uo NNO2 INITNI XITON di MOTBENSdHO TUNS b NNO2 LSP sr ans na 3 IV NNOD LST 1 WOSS3Hd WOO 3 14H33 NNO2 3NITNI X EIL Dg wenn 31naoi s3Mod NNOD SNIT NI dV U f ASH 3005 uno 10D a i d H 3 E xix zi zziz o OAiAGO x Dd inn 1 m H5
13. 4 E 0917 UBF ME ELJO gm o aviv D4 i 118 n n diva LLLI llc LJAZlowuszm uinvadisosusd H3Zd3H4 3706 SNI Tiva 3578 Td 55043 MOISIAOHd 81 321037 15 6 RF195A Ice amp Water Control Module Wiring Diagram oI a EY 2 af 4 5 PC LIGHT any BUTTER ILE c MOTOR cc MOTOR 7 25 X past LIMIT SWITCH ci v z 12 NEUTRAL ICE SOLEHOID a ICE SENSOR ov 5 PHASE NEUTRAL uL uh i BH FC DRAWER SENSOR ag E eee neu L NEUTRAL BN e DOOR SENSOR pon w e NEUTRAL un zt z BU DOOR SEHSOR co PHASE 12V 50 A 2 Q 1wvAC OR g 4vAC OR PC FAH I 124 Li I VAC FC FAH TT es RET PU mm 42v 7 LAH z 12V Y o fL zl 12V SAT ov gt 12V WATER TANK SENSOR Uu or FC SENSOR E oH ov 2 55 EVAP SENSOR 12V ov 7 LL ov e RD PC SEHSOR of Ov ch 12V Wi mh WH ov y CLK et STROBE ov DATA 77 E COM 12V c o z C 124 OO _ Lf 82 16 SERVICE REFERENCE PROBLEM POSSIBLE CAUSES WHAT TO DO PC Too Cold A4 0 Cold Crispers Ambient heater open Check I O Fault Log circuit Check continuity of element using multimeter down e Che
14. It may be necessary to move the power cable and earth wire to remove the module 4 Pull the power control module outwards to disengage the mounting lugs at the back of the module 5 Remove all connectors along the top and rear edges of the power control module 6 Remove the connectors except the transformer along the bottom edge 7 Refit in reverse order Note It is important that the power control module is clipped securely to the side of the unit compartment and the copper earth spring clip is not damaged as this maintains good earthing and provides a low inductance path to the chassis for RF voltage Check that the flat pins at the back of the module are properly engaged with the lugs on the unit compartment when refitting 11 4 2 PC Sensor Replacement Located in the provision compartment and attached to the PC duct cover 1 Unplug the refrigerator from the outlet socket Remove all the PC shelving and trays Unclip the PC air duct cover Remove the polystyrene duct cover insulation Turn the air duct cover to expose the back Remove the PC sensor from the cover and cut off the sensor wires as close to the sensor as possible Replacement of the new sensor is done by cutting the wire off the new sensor about 50mm 27 from the sensor stripping the wire back about 10mm 0 4 stripping the old sensor wiring back about 10mm 0 47 and after sliding heat shrink onto the wires connecting and soldering the new sensor to the ol
15. 4 Water Dispensing This icon will animate when the water is being dispensed u 29 321037 7 4 5 7 4 6 7 4 7 7 4 8 7 4 9 7 5 7 5 1 Sabbath Mode Key Silent Mode Dispenser Lock Key Lock When in this mode the alarms are deactivated and the interior light and back light on the display will not come on The interior fan will not turn off when the door is opened When in this mode the beeper does not operate when the buttons on the keypad are pressed Note Faults bottle chill amp the door will still alarm when the refrigerator is set on key silent mode When this icon is displayed it indicates the product is in Key Silent Mode To activate or deactivate hold the MENU key for four 4 seconds This mode disables the water dispensing pad amp prevents water from being dispensed To activate this mode press the LOCK key for 2 seconds This mode disables all the buttons To activate this mode press the LOCK key for 4 seconds Filter Replacement Alert Icemaker Ice Production This icon will appear when the water filter needs changing The filter needs replacing every 2800 Litres or 6 months This will flash when dispensing water To deactivate the warning press the LOCK and UP keys simultaneously for 4 seconds The icemaker comes out of the factory defaulted to off To turn the icemaker on press the MENU key to scroll until the ICE option has been scrolled to Pres
16. Check wiring harness to power control module Fault Displayed Display showing fault e Alarm has been switched off by user No Alarm code but no alarm e Piezo alarm faulty Replace power control sounding module FC Light Not Blown bulb Check power supply to socket 7 Volts If nil Functioning check plug at display module e Check continuity of bulb If nil replace e Check reed switch operations Cabinet type e Power console module not initialised Close FC door and press compartment select button Poor connection e Spread halogen bulb legs e Lamp holder Replace where possible Connector on display module 85 321037 No Display Power control module e Check harness and plugs on module harness at Check wiring connections on display board Noise causing vibration dampening tape PC Light Not Blown bulb e Check power supply to socket 7 Volts if nil e Check continuity of bulb nil replace Reed Switch Check reed switch is working by using a Place the product in I O mode can also check reed switch operation Poor connection Spread halogen bulb legs Lamp holder Replace where possible Connector on display module Noisy Fan PC around gasket e Replace assembly with new fan kit Wires touching Tuck wires away from fan blade Faulty fan replace assy e Fit replacement with new fan kit Noisy Fan FC Ice on cover e Clear ice off cover and check doors are sealing
17. DISCONNECTED FROM THE POWER SUPPLY Before servicing this appliance your body should be at the same voltage potential An antistatic wrist strap must be used when handling electronic components Printed circuit boards removed from the refrigerator for return to Fisher amp Paykel must be protected from possible electrostatic damage ESD while in transit by the use of the specialised packaging in which the replacement was received ELECTROSTATIC DISCHARGE SENSITIVE DEVICES CAUTION ELECTROSTATIC Hk SENSITIVE DEVICES SEN OBSERVE HANOLING PRECAUTIONS GROUNDED TO EARTH Diagram 11 1 11 2 Electrical Safety Test Whenever any part of the electrical circuit is serviced or disturbed in the course of carrying out service adjustments or procedures it is essential that an insulation and earth continuity test be carried out using a two scale insulation tester This is to be done with the appliance disconnected from power Insulation At least 1 megohm Earth Continuity No greater than 0 5 ohm Note Electronic printed circuit boards can be damaged if tested incorrectly such as phase earth or neutral earth Therefore to carry out an insulation test where the appliance is fitted with a electronic printed circuit board short out both the phase and neutral conductors together at the 3 pin plug with one test lead of the insulation tester Connect the other lead of the insulation tester to the earth pin cabinet of the refrigera
18. Functional sues HUE Edd tren 28 759 Display Interface Features eso nod tor ncn Eee ag t RR Ha ME RENE se 29 LA IM IU E 29 7 4 1 LENKE pae pe cL 29 7 4 2 Freeze CAI MOUE eta dete stet 29 74 37 Bolle Chill MOGG aede pti etti av Cu in ena 29 EET 29 LAS Gappa ModE re ene eee 30 321037 EC ESMEEE C Ae Mule ERE 30 7 4 7 T mE 30 7 4 8 aate RH m 30 7 4 9 Filter Replacement Dead 30 739 ie i eco wt od m Ems 30 7 5 1 MEN TES UU DNE 30 7 5 2 Information About 31 3929 Ice Dd Prts Dd oa POT Dd CE EU TNR EUN a 31 TOM Sale PIS uut ea die cle d petere 32 7 5 5 Icemaker Fill TU e Heale iar REI t tute ME Rates 32 LO Key NOUIS mtm 32 Temperature esi lies de
19. I amp W Height 69 70 1775 1794 69 70 1775 1794 69 70 1775 1794 Depth Width CAPACITY GROSS VOLUME 195 0 RF175 I amp W RF 175 Non I amp W Compartment Freezer 5 7 cu ft 5 1 cu ft 143 litres 5 1 cu ft 143 litres Compartment TOTAL 19 5 cu ft 522 litres 17 5 cu ft 496 litres 17 7 cu ft 500 4 litres ELECTRONICS Display Module Ice amp Water Part No 819415P Display Module Non Ice amp Water Part No 881219P Power Control Module Part No 860524P SUCTION LINE ASSEMBLY Part Number 817864 DEFROST ELEMENT Part Number 884125P Ice maker fill tube heater element 1 2 watts 120 Ohms non replaceable Provision compartment duct heater Xx watts Ohms CONDENSER FAN Part Number 12825101P 1 2 Compressor Specifications 60 1 Motor Protection Overload 4ATM319NFBYY 53 Run Capacitor 4 40 25 C 77 F 8 Run Current Amps 2 09 321037 1 3 Electrical Specifications Rated Voltage Rated Current Frequency Flapper Heater Duct Heater Low Ambient Heater Ice Tube Heater Defrost Element Light Bulbs Condenser Fan motor 110 volts 1 75 amps 60 Hz 12 volt 10 watt 15 ohms 12 volt 3 watt 48 ohms 12 volt 7 watt 22 ohms 12 volt 1 2 watt 120 ohms 110 volts 355 watts 12 volt 10 watts 110 volts 3 4 watts 1120 RPM 115 volts 321037 2 MODEL NUMBER IDENTIFICATION L1 2 23 4 5 6 7 8 9 1 RE 15 W C R U
20. With the wire fully inserted apply pressure to the terminal which will lock the wire and terminal together If possible when replacing a connector the connections should be made one at a time For example first cut the wire in pin 1 of the old connector and insert it into pin 1 on of the new connector Push the pin fully home to lock the wire in place and then move on to pin 2 Note that the stage 4 cabinets introduce a new series of block connectors These connectors contain a wall between the cavities to code or polarize the connector This is especially important in the case of the 4 and 6 way connectors in the power control module Also note that the replacement connectors are un coded to reduce the number of spare parts required and therefore care must be taken that the connector is replaced in the correct socket Check the wiring diagram and labelling on the power control module if unsure When wiring any DC voltage supply or components it is important that the correct polarity be observed Also used are a new series of in line connectors replacing the Molex connectors These new JST plugs and sockets are available as spare parts 60 321037 MOLEX Plugs Sockets amp Terminals Type Description Part Number Socket Female 4 way 51139 02000MLX 881592 6 way 01139 0600MLX 855409 Socket 16 22AWG 50597 8100 MLX 881595 Terminal 20 26AWG 50598 8100 MLX 881596 There are two sizes of terminals to suit the wire G
21. bottle fully with the regulator backed off Step 5 Increase the regulator pressure in the circuit being tested to 150 psi Step 6 Close the nitrogen bottle valve back off the pressure regulator Step 7 Disconnect the hose coupling to the Schrader valve fitting Step 8 Seal the Schrader valve with its sealing cap Step 9 Use a bit of masking tape to mark the face of the pressure gauge at the set pressure Record the date and time also Step 10 Check all exposed brazed joints with soap bubbles including the joints on the in line pressure gauge 69 321037 Step 11 Allow the pipe circuit under test to sit on drop off test This could take a number of days for a result NOTE In some cases a leak not be found by pressurising the circuit whereas a vacuum pulled on the same circuit will show the leak Keep this in mind as oil within the circuit can block a hole In some cases if the brazed joint is warmed while under pressure this can thin the oil and help to expose the leak A heat gun or hair dryer is useful GAUGE TASCO U0016 60MM 30 in to 250 PSI 100 to 1700 KPa C COMPOUND INLINE PRESSURE GAUGE T0324 ACCESS PORT WITH 50MM 1 4 OD COPPER TAIL SCHRADER VALVE BRASS TEE TUBE ADAPTOR 1 4 Diagram 13 70 321037 13 1 Transporting of Refrigerators It is not recommended that the cabinet be laid on its back or its side This could lead to problems with oil from the compressor
22. fan located at the bottom of the duct in the divider partition refer to Diagram 5 6 The duct channel uses moulded polystyrene duct for this purpose 20 TN PC duct cover Diagram 5 6 21 User interface Non ice amp water models Water tank cover Ice amp water models Polystyrene insulation 321037 5 7 Divider Partition The divider partition provides a barrier between the FC and PC compartments and also allowing return air from the PC to move back to the FC evaporator The PC fan motor is housed in the back edge of the divider The divider partition also houses the low ambient heater and the reed switches located in the front of the cross rail sensing the opening and closing of the doors B Divider Duct Partition TES i NDS ENG 5 Diagram 5 7 Refer to Diagram 7 8 for details of the air flow in the compartments 22 321037 6 ELECTRONICS SECTION The control system consists of the power control module located in the unit compartment of the refrigerator and various sensors and actuators controlled by the power module The function and brief description of each of these units is defined below Power control module display module compressor defrost heater ambient heater produce compartment fan freezer compartment fan light temperature sensors and door sensors 6 1 Function Overview The purpose of the power control module is to turn on the compr
23. firmly into the gap under the foot Note Do not use metallic materials that may corrode and stain or damage floor coverings 321037 Packing material goes under rear roller diagonally opposite front foot that lifts Wall behind refrigerator This foot lifts off the floor when pushing gently on the top front of the refrigerator Fig 14 Stabilizing your refrigerator Example only Un level floor This foot lifts off the floor when top front is gently pushed back Fig Unstable refrigerator 13 321037 5 5 1 Terms CABINET WRAPPER Pre painted steel LINER A two piece vacuum formed HIPS liner DIVIDER Is formed by the two piece vacuum formed liners FAN MOTORS DC 12 volt brushless variable speed fan motors for air circulation in both 1 x FC and 1 x PC compartments CONDENSER All wire on tube located in base tray CONDENSER FAN The condenser fan is 110 volt and is connected in parallel with the compressor circuit EVAPORATOR Aluminium Fin on Tube type mounted vertically on the back wall of the FC compartment SUCTION amp CAPILLARY LINE Foamed into the back of the cabinet with all joints to the evaporator brazed in the FC POWER CONTROL MODULE Contains the microprocessor that controls all functions of the refrigerator and gathers data from the sensors his module also contains support circuitry to switch the various outputs DISPLAY MODULE Using signals
24. maximum FC fan speed with the PC fan being adjusted to meet the requirement of that compartment Off cycle fans OCF operate when the product cycles off with the PC fan operating at a fan speed of 3 to circulate the air in the PC to ensure foodstuff in the crisper does not freeze When the compressor is turned on provided the doors are closed the fans will also be switched on except immediately following a defrost cycle where there is a delay of 30 seconds after the compressor has started FC Fan Viewed from front PC Fan Viewed from PC side of duct Diagram 6 1 6 25 321037 6 1 7 Lights PC amp FC Two 12 volt 10 watt halogen lamps are used in the PC and one in the FC prevent overheating the lamp is turned off after 5 minutes of the door being left open The power control module controls this If lamps are replaced they must not exceed 10 watts or they will overload the power control module Diagram 6 1 7 Note lt is important that the lamp pins are tight in the lamp socket The lamp should not be touched with fingers as this will shorten its life 6 1 8 Thermistor Temperature Sensors These sensors are used to monitor temperatures within the refrigerator There are three 1 Defrost sensor mounted above the evaporator used to measure the temperature during defrost 2 sensor mounted on the evaporator coil cover used to measure the temperature in FC 3 PC sensor mounted in the PC on the du
25. of the fan cover is not necessary Cut the FC sensor wire as close as possible to the sensor Replacement of the new sensor is done by cutting the wire off the new sensor about 60mm 2 4 from the sensor stripping the wire back about 10mm 0 4 stripping the old sensor wiring back about 10mm 0 4 and after sliding heat shrink onto the wires soldering the new sensor to the old wiring making sure both connecting wires are not shorting but are insulated with heat shrink sleeving Refit in reverse order 11 4 43 Icemaker Unit Replacement 1 2 9 4 pt 8 Disconnect the refrigerator from the power supply Remove all bins trays from the freezer and remove the FC drawer Remove the left hand side rail supports Remove the clip and insulation pad holding the icemaker sensor from the bottom of the icemaker tray Remove the sensor from under the icemaker tray Remove 2 screws securing the body of the icemaker to the roof of the divider Place fingers at the rear of the icemaker and with a brisk downward motion pull the icemaker from the roof of the freezer Note Both front and rear clips should have dislodged If only the rear clip has dislodged place fingers in the front of the icemaker and once again briskly pull the icemaker down Disconnect the icemaker harness 11 4 14 Refitting the Icemaker pum NIS Refit the sensor to the underneath of the icemaker tray Refit the wiring connector Place the harness int
26. power supply Remove the connector from the water valve Place the meter probes into the connector of the valve that is faulty ice valve or water dispenser valve Reconnect the refrigerator to the power supply e Place a glass into the dispenser to operate the valve for water dispenser valve only Place the product into a forced harvest for icemaker only The voltage at the connector once disconnected from the valve should be 12 volts DC Care should be taken not to damage the connector or wiring 40 321037 8 DIAGNOSTIC MODES To enter diagnostic modes press and hold the MENU key then press the UP key for 4 seconds The PC sensor temperature will be displayed on the LCD as shown in Diagram A The actual temperature of the PC is shown Please NOTE all temperatures shown on display are in degrees Celsius PC Sensor Temperature Note 4 0 shown on display indicates the temperature of the pc sensor is 4 09 39 2 F Diagram A PC Sensor Temperature FC Sensor Temperature Press the UP key once more FC sensor temperature Note 12 0 min shown indicates the temperature of the FC sensor is 129 10 49 Diagram B FC Sensor Temperature Defrost Sensor Temperature Press the UP key once more Defrost sensor temperature Note 18 0 min shown indicates the temperature of the Defrost sensor is 189 0 49 Diagram C IBOD mi 1 min Defrost Sensor Temperature 41 321037 In
27. running into the suction line inside the compressor All cabinets should be transported upright It is recommended that If a cabinet has to be transported lying down then the cabinet should be placed on one side only This is the right hand side when standing facing the front of the refrigerator If looking at the back of the refrigerator when it is laid down in this manner you will see the power cord entering the cabinet at the bottom and the discharge and suction pipes on the compressor uppermost Refer diagram 13 1 1 Note Tape Door Closed Discharge suction pipes Back of Cabinet B d This side down Power Cord Diagram 13 1 1 Note We mark all our refrigerator and freezer cartons with a number of stars on one side of the carton If the product is to be laid on its side for transporting at any time the side of the carton with stars on should face upwards see diagram 13 1 2 If transporting a cabinet that has been used be sure to empty the water evaporator tray prior to laying the cabinet down as water from the water evaporator tray can enter the electronic power module that is attached to the side of the unit compartment On installation the cabinet should be stood upright for approximately 20 minutes before being switched on This is to allow the oil to return to the crankcase of the compressor Ideally the product should be transported standing upright 4 stars on the ace upwards Side
28. seal to the triple fold refit the back panel making sure the panel is perfectly vapour sealed 5 DO OPERATE THE APPLIANCE FOR AT LEAST FOUR HOURS AFTER FOAMING 6 The foam solvent used for cleaning while the foam is still in a liquid state is methylated spirits CAUTION 1 Avoid splashing the mixture onto the cabinet Once set foam is almost impossible to remove 2 When clearing a pocket for foaming it is recommended to leave a layer of old foam against the ABS plastic liner for support and to prevent the pressure of the foam causing a bulge on the PC inside surface 13 3 1 Polyurethane Foam The insulation material being used in refrigerator and home freezer cabinets is polyurethane foam Polyurethane foam is a two part mix consisting of a pre mix and an isocyanide The pre mix contains polyol catalyst silicone surfactant water and fluorocarbon ll The isocyanate is 4 41 72 321037 diphenyl methane di isocyanate for short In the past tollene di isocyanate T D l for short was used When the cabinet is foamed in the factory the pre mix and isocyanate are conditioned at a prescribed temperature in advance When the two ingredients are mixed together they start to expand Heat is produced by the chemical reaction which causes the fluorocarbon ll to boil giving off a gas and creating a froth It is this froth that produces the cell structure The size of the cells formed is controlled to a large d
29. the roof of the provision compartment can be replaced by the following steps Steps 1 Remove the lens cover 2 Remove the lamp 3 Drill three 5mm holes the lamp housing in the positions shown above This will cut off the tabs holding the light socket to the liner 57 321037 3 holes drilled These only need to be drilled to a shallow depth Cut bend or break off the 2 lugs on the outer edge of the lamp housing as shown below Holes drilled in housing 4 J Drill two shallow 4mm deep 5mm holes in the concave of the lamp housing at the 5 amp 10 o clock positions 58 321037 Using a pair of long noise pliers insert the pliers into the last two holes drilled and with the aid of a screwdriver rotate the lamp housing anti clockwise This is to break the foam away from the back of the lamp housing Once the old lamp housing is free of the foam pull it down gently from the roof and cut the harness from the back of it as close to the housing as possible Cut and strip the harness then slide heat shrink over the new lamp harness Crimp to the existing harness using butt connectors or by soldering each joint Insulate the joint with the heat shrink Note It is important that good joint connections are made in terminating these two wires as failure to do so can produce high temperatures at the joint Fit the new housing to the liner and test A small screw may be fitted to each side lug to hold th
30. up and the water fill icon will appear when the water is dispensed The dispenser will not operate while the PC door is open 10 2 Initial Use Press the glass or container into the pressure dispensing pad Note Pressing very hard against the water dispensing pad will NOT make the water dispenser operate any faster or produce greater quantities of water Initially allow approximately a one minute delay from when the pressure dispensing pad is pushed until the water is dispensed While the tank is filling no water sign will appear Dispense at least 8 10 litres 8 10 quarts of water through the system stopping intermittently to ensure that air in the tank is flushed out Failure to do so will result in excessive dripping from the dispenser 10 3 Water Filter and Cartridge The product is supplied with a water filter and cartridge located in the upper right hand side of the provision compartment A bypass cap is also supplied should the customer wish to use the water system minus the filter cartridge The filter replacement icon will appear and blink when the filter needs to be replaced This is approximately every 2800 litres of water or 6 months 10 3 1 Installing the Water Filter 1 Install the water filter into the water filter housing located in the upper right hand corner of the provision compartment a Open the filter housing by pressing the tab at the front end of the housing b Remove the blue bypass cap and reta
31. 18 944 CondensernT alleautaantenesibcuentettibennten im eta 18 545 Condenser Mulllon Layout vez attt are en ore deae eod eee mot 19 5 4 6 Compressor Compartment 20 3 55 20 50 PFOVISION COMPARING DUC big mee p D 20 7 Um 22 6 ELECTRONICS SEG TION a cea 23 o FUNCION 23 6 1 1 Control Mod le a 23 6 1 2 DOO SWICNES TTE 24 6 1 3 Brem AUC RE EE 24 60 4 HEIN SVEN seed adit A ebbe a uer 24 6 1 5 i cH P ts 24 6 1 6 25 Ou voce 26 6 1 8 Temperature 26 6 1 9 Flapper DOr RECAE a 27 ux VE mU cum Ec 28 7 1 Display Interface Button 28 7 2 Display
32. 7 7 17 8 17 9 17 10 17 11 17 12 17 13 17 14 17 15 17 16 FAULT FINDING FLOW CHART SERVICING Refrigerator Not Operating No Power To Power Control Module And Or Display Module PC FC Warm FC Too Cold PC Too Warm PC Too Cold Ice Condensation Forming No Light Door Switch Not Operating Defrost Heater Faults Compressor Faults Compressor Runs Continuously Compressor Will Not Run And Is Hot To Touch Compressor Electrical Tests Refrigeration System Faults Not Dispensing Water Not Producing Ice 88 17 1 Refrigerator Not Operating Is there power to the Check house refrigerator outlet socket Yes Does the LCD display Is there EISE Yes indicate a No power to the fault code power control module No Repair or replace faulty components Repair or replace faulty components Is the connector Does the Check i refit No fitted No LCD display connector correctly to light up display Yes Yes Is there 12V DC between the power control module amp the LCD display Is there 12V DC at the LCD display Is the compressor warm No Refer Section 17 13 No Yes Replace Ref ti power control efer Section Replace LCD display 17 12 module 89 321037 17 2 No Power to Power Control Module and or Display Module Is there power to the refrigerator PC light amp LCD
33. C drawer Note The anti racking device comes out with the drawer Push Locking Tab in to release bracket from slide Locking Tab Photo 11 4 10 52 321037 11 4 11 Refitting of the FC Drawer 1 There are two locating tabs on the drawer that are required to be fitted first Refer to photo 11 4 11 Step 2 Photo 11 4 11 Align the rear locating tab into the slot as shown in step 1 Align the front locating tab into the slot as shown in step 2 Fit the anti racking bar into the wracking pinion gear ready to fit to the drawer Both anti racking pinion gears need to be fitted simultaneously If this is not achieved damage to the gearing may occur or the drawer will not close correctly Refer to photo 12 4 10 1 eo Photo 11 4 11 1 Photo 11 4 11 2 6 Place the anti racking pinion on an angle and slide both pinion gears into position on the slide 7 Fit the locking tab into position as shown in photo 12 4 10 2 53 321037 11 4 42 Removal of the FC Sensor 1 2 3 p 9 Unplug the refrigerator from the outlet socket Remove all bins trays from the freezer and remove the FC drawer refer to Section 11 4 10 Remove the FC air duct cover by removing two screws Removal of the icemaker will make removal of the FC cover easier Refer Removing Section 11 4 13 Remove the fan cover This unclips with the aid of a small screwdriver Move the fan cover to access the FC sensor Removal
34. Display Is there power to the house outlet socket Fault in house No wiring Yes Yes Is continuity of power cable and all harness connections OK Repair or replace faulty components Yes Compressor circuitry wiring OK Replace power control module Repair or replace faulty components 90 17 3 PC FC Warm Yes Are temperature settings correct Adjust temperature settings Advise customer product OK Does the compressor run No Refer to Section 17 10 Does the LCD display indicate a fault code Refer to Section Repair or replace faulty components No Are temperatures of contents of PC amp FC OK Is Smart Tool download available No No Yes Yes Advise customer temperatures OK Is there excessive ice on FC cover Or evaporator Are there any signs that FC amp PC temperatures fan speeds or defrosts are not OK Refer to Section Yes Yes 17 9 No No Using an external sensor Advise customer Is the defrost are the temperatures refrigerator working sensor Repair relocate of contents of PC located amp FC OK correctly No Is defrost heater installed correctly or drain iced blocked Repair clear blockage etc Yes 91 321037 17 4 FC Too Cold PC Too Warm Does the LCD Display indicate a fault c
35. Fisher amp Paykel customer CAKE Service Manual Active Smart Refrigerator Freezer Models RF195A RF175W 321037 321037 JANUARY 2011 The specifications and servicing procedures outlined in this manual are subject to change without notice Note A service summary may be found within a plastic bag wedged into the right hand side of the condenser located behind the front toe kick panel of the refrigerator 22601 RF195ADUX1 FP US Fisher amp Paykel Appliances Inc 5900 Skylab Rd Huntington Beach California CA92647 USA Telephone 888 936 7872 Email customer care fisherpaykel com COPYRIGHT FISHER amp PAYKEL LTD 2010 ALL RIGHTS RESERVED 2 321037 CONTENTS 1 SPECIFIC upenlcMe 6 Tel 6 1 2 Compressor SDSCIIGAUONS usb aesti Eg btt taunt bains 6 159 3Blecuical oDecliiCallODSsetsempid aste te e ei ER VE MATE RITE CHO qa 7 2 MODEL NUMBER IDENTIFICATION 0 4 8 3 ERHVICING REGUIBEMENTS a des EE aaa 9 Sek peclallsed Service TOONS t Er E ERE REC 9 3 1 1
36. Replace the sensor The icemaker motor timed out The icemaker gearbox is not returning to the start position and ends signal to controller Check the gearbox and if faulty replace The icemaker motor current is high Check the motor for an obstruction Check the wiring at both the icemaker gearbox and the power module Clear for an obstruction Test the motor operations Check the gearbox motor resistance If not within limits replace motor the icemaker solenoid current is high Check the connections to the solenoid solenoid Correct loose connections Replace the solenoid if faulty Check the resistance of the the icemaker solenoid current is low Check the connection to the solenoid solenoid Correct loose connections at the module or the water valve Replace the solenoid if open circuit Check the resistance of the Icemaker solenoid transistor 1 short circuit A transistor on the controller that drives the icemaker solenoid has failed This could be as a result of a fault in the solenoid Check the solenoid resistance If not within limits replace the solenoid Check the wiring and connections at the solenoid and the module If OK replace the control module Icemaker solenoid transistor 2 short circuit Check the solenoid resistance If not within limits replace the solenoid Check the wiring and connections at the solenoid and the module If OK replace the control module Note This fault code will only b
37. air or replace faulty components Does Is Smart Tool download download Yes confirm available defrost failures Are defrost heater resistance and connections OK Repair replace faulty components Check correct operation of defrost heater Check location Is there excessive solid ice build up on or around evaporator of defrost sensor Check if door Yes has been left ajar No Advise customer no fault found 97 321037 17 10 Compressor Faults Compressor will Compressor will not run and is cold not run and is hot to touch to touch Compressor runs continuously Refer to Section Refer to Section Refer to Section 17 11 17 13 17 12 17 11 X Compressor Runs Continuously Are there any faults on the LCD display Continue testing Yes Is Check for loss of refrigeration gas leak or taking place blockage Yes Are the FC PC Check for correct fitting of Refer to Section reaching set Yes sensors Check sensor 17 4 temperatures resistances Check for loss of gas leak or blockage 98 17 12 Compressor Will Not Run and is Hot to Touch Has the system gone into defrost mode Is current When defrost sensor being drawn reaches 8 C the by defrost compressor will start element Yes No Remove FC cover Is there a full frost pattern on the evaporator Refer to Section 6 1 3 Yes Check com
38. at lower temperature set point Water dispensing Sabbath mode enable disable Key silent mode enable disable Dispenser lock Key lock Filter replacement alert Fault alert Diagnostics Temperature set points 321037 7 4 Features 7 4 1 Icemaker On Off This mode turns the icemaker on or off oF To access the ice mode press the MENU key until ICE is Con highlighted Then use an ARROW key to scroll to the icemaker ON a or OFF 7 4 2 Freezer Chill Mode point for a 12 hour period the up or down key to get fast freeze Freezer chill is a function that rapidly freezes food in the FC by temporarily dropping the freezer to its coldest temperature set To access use the MENU button to scroll to FREEZER then use To deactivate manually use the MENU button and scroll to FREEZER Press the DOWN button until the icon disappears 7 4 3 Bottle Chill Mode bottle chill 5 Bottle Chill allows the customer to put a bottle in the freezer for designated amount of time When that amount of time has elapsed an alarm will sound telling the customer to take the bottle out of the FC The freezer automatically changes to its lowest set point The times are 10 15 20 25 and 30 minutes ri To activate this mode use the MENU button to scroll to FREEZER then use the UP button until this icon appears Use the UP button to select the time in minutes Once selected the alarm countdown will commence 7 4
39. auges Male 51138 0200 MLX 881593 91138 0600 MLX 855411 Plug Pin 16 22AWG 50599 8100 MLX 881597 20 26AWG 50600 8100 MLX 881598 There are two sizes of terminals to suit the wire Gauges 51140 0205 MLX 881594 Cover Coffin insulator 884412 Fits over the Molex Plug amp socket 9 Part Number Mains Cord 9290 02 01 000 960 881588 Defrost Heater 9290 02 BA01 000 960 881589 Element Run Capacitor 9290 02 01 000 960 881590 Compressor 9290 04 EF02 000 960 881591 cable 61 321037 RAST Edge Connectors Number of Ways Part Number Not coded or indexed 2way 424202 62 321037 JST Plugs Sockets amp Terminals Tvpe Description YLP 02V YLP 04V YLP 06V YLP 08V Socket SYF 01T PO 5A 26 20 AWG terminal SYF 041T PO 5A 20 16 AWG fits the plug above There are two sizes of terminals to suit the wire Gauges Retainers Common to both plugs amp sockets 2 way YLS 02V 3 way YLS 03V 4 way YLS 04V Socket 2 pin YLR 02V 3 pin YLR 03V 4 pin YLR 04V 6 pin YLR 06VF 8 pin YLR 08V Pin terminal SYM 01T P0 5A 26 20 AWG fits the socket SYM 41T PO 5A 20 16 AWG above There are two sizes of terminals to suit the wire Gauges 63 Part Number 819611 819612 819613 819614 819607 819608 819620 819621 819622 819615 819616 819617 819618 819619 819609 819610 321037 11 5 Active Smart PC FC Fan Motor Tester Testing a PC or FC fan motor with a mult
40. ault with PCB board has No LEDs occur 1 Motor timeout Check motor resistance Is the red motor running ng to obstructed and test the 3 Temperature sensor too hot Check resistance of sensor Refer ML board Open circuit the 5 Water solenoid current high fault Replace if faulty code will show on the display just like any other fault The fault history is a tool to view intermittent faults Note There will be no alarm beeping if these faults occur Code X Faut No display signal received shorted or broken wire No display signal received shorted or broken wire clock or data line Check Harness wiring under hinge cover Note 4 e 5 the icemaker gearbox iced up or frozen i e has ice built up around it This could be the reason why it doesn t rotate e Check that the evaporator is defrosting and the defrost element is working along with the FC fan If not thaw and retest e Force a manual harvest Note 5 If water doesn t enter the tray Check Is the water turned on to the cabinet Can you dispense water through the door Check Are there any kinks in the water lines Check Is the water filter blocked Check The water solenoid resistance Check The resistance of the icemaker motor refer to Section 12 1 Check That the solenoid is opening and water is leaving the solenoid Check For blockage in the icemaker fill tube nozzle 12 1 Testing Icemaker Motor Testing of the
41. ck voltage to plug check wiring polarity e Air leakage base duct Seal with foam tape on duct divider spigot cover PC sensor location Cold PC fan not going Check I O Fault Log Compartment Check for mechanical obstruction Warm Top Check power to plug Check polarity Replace fan Check for broken wires Total FC fan not going Check I O Fault Log Compartment Check power to plug Too Cold Check for broken wires Check polarity Replace fan Short of gas e Check run percentage if high check e Check fully flooded evaporator check for leak PC sensor inaccurate e Check calibration of sensor ice point using interface binary or refer to thermistor resistance table in service manual Ce PC Too Warm Warm PC fan not going Check I O Fault Log Compartment Check power to plug Cool Bottom Check polarity Check for broken wires Replace fan Check fan is not jammed with ice or anything else PC fan upside down Fan hub with label on to be facing PC Refit Return duct iced up e De ice duct area behind chassis e Check PC duct insulation for good seal in return duct Check doors are sealing 83 321037 PROBLEM POSSIBLE CAUSES WHAT TO DO Total PC duct blocked e Defrost evaporator chassis Compartment e Check for door seal Warm Evaporator ice up Check defrost element check continuity Check door seal door left open No refrigeration e Does cabi
42. condary Action Fault Code 16 Reason Primary Action Secondary Action Fault Code 17 Reason Primary Action Secondary Action Fault Code 18 Reason Primary Action Secondary Action Fault Code 19 Fault Code 20 Reason Primary Action Secondary Action Fault Code 21 Reason Primary action Fault Code 22 Reason Primary Action Secondary Action Fault Code 23 Reason Primary Action Secondary Action Fault Code 24 Reason Primary Action Secondary Action 321037 The PC fan is drawing less current than is expected Either the wiring is open circuit or the fan is faulty Check the PC fan wiring and connections at both the fan and the power module Check the fan If faulty replace The PC fan is drawing more current than is expected Either the wiring is shorted or the fan is faulty Check the PC fan wiring and connections at both the fan and the power module Check the fan If faulty replace The FC fan is drawing less current than is expected Either the wiring is open circuit or the fan is faulty Check the FC fan wiring and connections at both the fan and the power module Check the fan If faulty replace The FC fan is drawing more current than is expected Either the wiring is shorted or the fan is faulty Check the FC fan wiring and connections at both the fan and the power module Check the fan If faulty replace Reserved The flapper heater curre
43. ct cover and used to sense the PC temperature Thermistor sensors are used for temperature measurement Their electrical resistance changes as the temperature changes The table below lists some typical resistance values The temperature can be read on the display once the diagnostic mode is entered Diagram 6 1 8 26 321037 THERMISTOR SENSOR RESISTANCE TABLE TEMPERATURE RESISTANCE oC K Ohms 5 Table 6 1 8 6 1 9 Flapper Door Heater Used on the French door models to warm the flapper that seals the vertical edges between both doors It has a total wattage of 10 watts controlled by PWM and is on 100 of the time except when the cabinet is set to the warm set point 2f 321037 7 DISPLAY INTERFACE 7 1 Display Interface Button Descriptions Menu The MENU key allows the user to scroll through the main menu options Chill Temperature Ice and Settings lt lt Arrow Keys The ARROW keys are used to scroll through the settings of each function Lock The LOCK key enables and disables the water dispenser and all the buttons 7 2 Display Functional Schematic Inputs Outputs Display Harness gt Water Solenoid Comms Display Module LEDS Tact Switches gt LCD DISPLAY 28 e eO J Display Interface Features Icemaker on off Bottle chill mode 10 15 20 25 30 minute timer with alarm Freezer chill mode nominated freeze time
44. d See Note 7 you manually force a harvest 8 With the FC door open do you see the bale arm lower and rise up with the ice mould tray rotation See Note 4 9 If the icemaker does a manual harvest do you hear or see water entering the ice mould tray oee Note 5 10 Failure to produce ice can be related to the fact that the FC compartment is not cold enough The FC compartment should be low 10 deg C 14 deg F Notes Note 1 To switch the icemaker on scroll through the LCD menu and switch the icemaker on off with the temperature up and down buttons Note 2 The bale arm is unlocked when the ice bin is in place and the bin lever is back Bin in position No Bin fitted Bin lever senses if there is a bin in position or not Bale arm locked When a bin is in place the bale arm is free to move down as shown as it is unlocked Bale arm locked Bale arm 65 321037 Bale arm lever sensing if ice bin is full If the arm cannot move down the icemaker will not harvest If bin is not full icemaker continues rotation to eject ice Note 3 With the RF175 model the fault code for the icemaker is displayed not on the LCD display but on the icemaker PCB board as LED flashes The PCB board is located in the power control module which is in turn located in the unit compartment If the LED is flashing this is the fault code Refer to the table below If a Code fault No fault No f
45. d wiring making sure both connecting wires are not shorting but are insulated with heat shrink sleeving 8 Refit in reverse order ensure that the sensor is protruding at least 12mm 72 QUO S ay N 11 4 3 PC2 Sensor Replacement This sensor is located at the rear of the water tank Itis held in place by a piece of aluminium tape 1 Unplug the refrigerator from the outlet socket Remove all the PC shelving and trays Unclip the PC air duct cover Remove the polystyrene duct cover insulation Turn the air duct cover to expose the back Remove the PC sensor from the cover then remove the air duct cover Remove the tank cover to expose the tank Remove the aluminium tape holding the sensor and cut sensor wires as close to the sensor as possible Replacement of the new sensor is done by cutting the wire off the new sensor about 60mm 2 4 from the sensor stripping the wire back about 10mm stripping the old sensor wiring back about 10mm 0 4 and after sliding heat shrink onto the wires soldering the new sensor to the old wiring making sure both connecting wires are not shorting but are insulated with heat shrink sleeving 10 Ensure the tank is dry then re tape the sensor onto the tank using a new piece of aluminium tape 11 Refit in reverse order NOD OT oh 49 321037 11 4 4 Removal of PC Fan Motor eo E Eus SY 10 11 12 Unplug the refrigerator from the outlet socket R
46. e freezer compartment of the cabinets to then enter the filter drier which is mounted vertically in the unit compartment Now that the high pressure gas has been condensed the liquid refrigerant flows through the capillary tube which is soldered to the suction line as a heat exchanger entering the evaporator mounted in the freezer compartment The liquid refrigerant then boils off due to the low suction pressure applied to it within the evaporator from the compressor causing the evaporator to get very cold Note A warm body moves to a colder body This heat laden vapour is drawn back to the compressor by way of the suction line to start the cycle all over again EVAPORATOR LH FAM MOT OR FANS ELECTRONICALLY AND INDEPENDENTLY CONTROLLED K MOTOR FREEZER MULLION HEAT EXCHANGER HIGH PRESSURE PROCESS TUBE FILTER DRYER CAPILLARY TUBE SLAC TION LIME gt CONDENSER FAH RES FOLDED CONDENSER LOW PRESSURE DISCHARGE LINE HIGH SIDE THEE LO SPELECTRICAL CONNECTIONS a TO COMPRESSOR bE mie atr COMPRESSOR Diagram 5 3 16 321037 5 4 Servicing Features 5 4 1 Condensate Disposal During the defrost cycle which is electronically timed and controlled live frost is melted off the evaporator by means of hea
47. e housing to the liner if needed The freezer compartment lamp housings don t need to be drilled to remove them Just bend the lugs back and rotate the housing following steps 1 2 5 6 7 and 8 above 59 321037 11 4 24 Replacement of PC Door Where John Guest Fitting Has Been Fitted Disconnect the refrigerator from the power supply Remove the top hinge cover to expose the wiring and water tubing Disconnect the edge connector Remove the left hand collet locking clip from the John Guest Fitting Refer to photo 11 4 21 pup qe Collet locking clips in position Remove left 2 hand clip to remove A door 73 i D 4 5 lt Photo 11 4 21 Once the clip has been removed push the collar in to remove the water tube Remove the top hinge Remove the water tube and wiring from the guide Remove the door Remove the door dispensing pad wiring and water tube from the old door and refit all components to the new door 10 Reassemble in reverse order e o cw pel 11 4 22 Block Edge Connectors Should a connector need replacement it is important that the wiring connections be kept in the correct order to the connector The wiring harness uses one colour of wire throughout all circuits The circuit wiring should be traced with the aid of a multimeter before a connection is made To make a connection on a female block connector cut the wire end square and insert it into the correct location on the block connector itself
48. e seen with a data down load using Smart tool Reason Primary Action Secondary Action The icemaker fill tube nozzle heater current is high Check the connections to the controller Check the resistance of the heater Correct loose connections 38 321037 Fault Code 43 Note This fault code will only be seen with a data down load using Smart tool Reason The icemaker fill tube nozzle heater current is low Element open circuit Primary Action Check the connections to the controller Check the resistance of the heater 1 2 watts 120 ohms Secondary Action Correct loose connections Should the element be open circuit there is no means available of replacing this element and unless the ice maker fill tube is frozen the element being open circuit will have no effect on the operation of the cabinet Fault Code 44 Note This fault code will only be seen with a data down load using Smart tool Reason The PC return duct heater current is too high Primary Action Check for short circuit of PC return duct heater Check the resistance of the heater Secondary Action Replace if faulty Fault Code 45 Note This fault code will only be seen with a data down load using Smart tool Reason The PC return duct heater current is too low Primary Action Check for open circuit of PC return duct heater Check the resistance of the heater Secondary Action Replace if faulty DISPLAY FAULTS If a fault has occurred relatin
49. e the normal range lt 660 Ohms Check the sensor connection at the power module Replace the sensor The resistance of the PC sensor is outside the normal range gt 45K Ohms Check the sensor connection at the power module Replace the sensor The resistance of the PC sensor is outside the normal range lt 660 Ohms Check the sensor connection at the power module Replace the sensor The current measured for the ambient heater PC fan and FC fan is lower than expected Check the 6 way fan LAH RAST connector at the power module Re terminate the 6 way fan LAH RAST connector Replace control module The current measured for the ambient heater PC fan and FC fan is higher than expected Check the 6 way fan LAH RAST connector at the power module Re terminate the 6 way fan LAH RAST connector Replace the control module The low ambient heater is drawing less current than expected Either the heater or wiring is open circuit or the heater is faulty Check the wiring and connections at both the heater and the power module Check the low ambient heater resistance If not within limits replace The low ambient heater is drawing more current than expected Either there is a short in the heater or the heater is faulty Check the wiring and connections at both the heater and the power module Check the low ambient heater resistance If not within limits replace 36 Fault Code 15 Reason Primary Action Se
50. ectronics Module Compressor Water Evapotation Tray Condenser Fan Condenser Diagram 7 8 34 321037 7 9 Diagnostics A spanner symbol and LCD fault code will appear automatically if there is a fault in the temperature measuring system defrost system fans or low ambient heater Refer to the diagram below When the PC door is opened an alarm will sound The number of beeps also indicates the fault code Pressing any of the control buttons can deactivate these alarms 15 Example When a fault develops the LCD fault code appears with the After rectifying the problem the fault code and spanner will disappear Faults are only rectified when that feature is used So in the case of a defrost fault the code will remain until a defrost is initiated and it is successful 7 10 Fault Codes Fault Code 1 Reason Primary Action Fault Code 2 Reason Primary Action Fault Code 3 Reason Primary Action Secondary Action Tertiary Action Fault Code 4 Reason Primary Action Secondary Action Tertiary Action Fault Code 5 Reason Primary Action Secondary Action Fault Code 6 Reason Primary Action Secondary Action On the last power up the power module failed self test Replace power module The previous 2 defrosts were aborted after 40 minutes Check defrost element assembly in the FC If faulty replace The resistance of all the temperatu
51. ed will sound the alarm when the door is opened and the fault will be shown on the display 23 321037 6 1 2 Door Switches Reed switches are used to detect the opening and closing of the doors Small magnets are built into the PC doors and FC drawer which activate the reed switches The reed switches are encapsulated within a plastic housing which is clipped under the plastic covers on the base and cross rails 6 1 3 Defrost Heater A heating element refer to Diagram 6 1 3 is used to defrost the ice accumulated on the evaporator The defrosts are adaptive to the usage and environment and are controlled by the power control module and sensed by the defrost sensor located on the evaporator chassis registering 8 C 46 4 F before terminating the defrost heater element Previous defrost history the number of door openings and the compressor run time are used to determine the interval between defrosting The typical time interval for defrosts is between 12 hours and 1 day However it can be as short as 3 hours or as long as 70 8 hours depending on the usage and environment Diagram 6 1 3 6 1 4 Thermal Fuse There are two thermal fuses mounted in the wiring harness of the defrost element having a tripping temperature of 72 C 161 6 F Once open circuit they cannot be reset Replacement is part of the element heater assembly These fuses in both leads of the element protect the refrigerator from any over heating through failure of
52. egree by the silicone surfactant and this is critical in order to provide the required insulation properties Precautions necessary when using these Chemicals Vapours from the pre mix and isocyanate can be hazardous to your health as can be skin contact from both liquids When using foam make sure that adequate protective clothing is worn and sufficient ventilation is present to remove the vapours that will be given off by the mixture Should any of the chemicals come in contact with your skin rinse off with water lf a gas torch is to be used whilst repairing a refrigerator or freezer care must be taken not to set the foam alight as cyanide fumes will be given off as well as phosgene generated from the burnt fluorocarbon present Both of these gases can be dangerous if they are allowed to accumulate and for this reason sufficient ventilation must be present when doing repair work that is liable to cause the generation of gases 13 3 2 Safe Practices a Do not inhale any vapour from the liquids b Measure chemicals by weight only and NOT by volume Not essential for small quantities used for filling voids after repair Avoid contact with skin or clothing Use only in accordance with the recommended safety procedures Remove wash and decontaminate clothing before re use You are advised not to smoke near foam operations Isocyanate contact with the eyes oplashes of isocyanate in the eye are an irritant and may cause severe che
53. emory for control its ROM Read Only Memory for program and fixed constant storage including tables the RAM Random Access Memory for variable storage and access t uses an external Electrically Erasable Programmable Read Only Memory E2PROM for storage of variables and history data which is retained even when the power is turned off The power control module contains a special type of memory device call an E2PROM The information on the refrigerator operation faults and diagnostic information is stored in this memory They include the temperature setting the history of FC PC temperatures approx 18 hours defrost history the last 12 defrosts and fault history This will help the service person find and remedy the cause of failure All this memory will be retained even when the fridge is disconnected from mains power supply The beeper is used to signal prolonged door opening and other fault conditions 1 The PC door alarm sounds if either PC door is left open for 90 seconds and the FC drawer alarm sounds if the drawer is left open after 60 seconds Both PC amp FC alarm will sound every 30 seconds until the door is closed 2 Ifthe doors and drawer are left open longer than 5 minutes the alarm will sound continuously and the PC and or the FC light will turn off The alarm will stop with the closing of the doors and drawer The light is only reactivated by closing and opening the door and drawer 3 All electronic faults when detect
54. emove all the PC shelving and trays Unclip the PC air duct cover but do not remove Remove the polystyrene duct cover insulation Turn the PC cover to expose the back of the cover Remove the PC sensor from the cover and remove the cover Remove the duct grill and polystyrene insulation Using 2 fingers withdraw the fan motor upwards It is mounted horizontally in the divider partition With the motor out this will expose a small multi plug and socket connection to the fan motor and wiring harness Unplug To refit back together connect the multi plug then fit the wiring harness multi plug into the pocket of the divider partition Using 2 fingers slip the motor back into the divider partition to fit horizontally and locate the lugs into the retainers The routing of the wiring is important Note The back of the fan motor faces upwards Refit the duct covers and test The fan is fitted with an over moulded suspension Before fitting check the suspension legs to ensure the legs are not loose or broken 11 1 2 3 4 5 6 4 5 Replacing Cross Base Rail Reed Switches Unplug the refrigerator from the outlet socket Remove the reed switch cover by placing a small bladed screwdriver into the slot under the cover and lifting off Unclip the encapsulated reed switch from the housing Cut off the wiring to the reed switch as close to the switch as possible Replacement of the new reed switch is done by cutting the w
55. en wires No refrigeration Does cabinet run If no check power supplies If yes check refrigeration system If running check for live frost fully flooded evaporator If not check for leak 84 Total Cabinet No refrigeration Does cabinet run If no check power Too Warm supplies If yes check refrigeration system If running check for live frost fully flooded evaporator If not check for leak e Compressor is not running Check power control module voltage outputs Check compressor Check reed switches are working OK FC Cooling Iced up evaporator Check defrost circuit continuity PC Warming e Doors sealing adjust e PC fan is running If not refer PC too warm Iced up return duct e De ice duct area e Check PC duct insulation for good seal in return duct e Check doors are sealing Defrost heater Check display for any fault code Check defrost element continuity e Put cabinet into manual defrost wait for defrost relay to click on 2 72 minutes after pressing buttons e If no click check power control module e If click heard check the defrost heater 230v output at the power control module Sensors e Check display for fault codes 0 to 5 e Sensors above or below limit Refer thermistor sensors Section 6 1 8 Door switch fault e Check that no fault code is shown on the display Check that PC FC doors activate reed switches Check also reed switches with magnet e
56. es Specific safety issues are Electrical safety Electrostatic discharge Mixing of foam insulation Vapours while brazing Reclaiming of refrigerant Unam uc 3 2 3 Good Practice and Safety 1 Take care when removing or servicing all electrical components to avoid electrical shock or short circuit conditions 2 Take care when removing plastic components at low temperatures as breakages can occur with these components 3 Extreme heating of plastic components can cause distortion of those parts being heated 4 Avoid overheating temperature sensitive devices such as the element thermal fuse and cabinet sensors 5 Avoid using solvents and citrus based cleaners on all plastic parts We advise only warm soapy water be used 321037 4 INSTALLATION INSTRUCTIONS 4 1 Air Space Requirements On all refrigerators and freezers it is important that an air gap is left around the product e 50mm 2 clearance at the top 20mm 0 8 clearance each side e 30mm 1 2 clearance at the back 4 2 Levelling Components Front and rear rollers are fitted ex factory Cabinet levelling can be done by adjustment of the front roller levelling screw See diagram 4 2 Weight should be lifted off the cabinet for ease of adjustment If it is necessary to place packing material under the rollers to achieve the required height use only hardboard or plastic NOT metal NS 7 EXPLD STATE EXPOO01 Diagram 4 1 Front Leveller a
57. essor which cools the evaporator then to use the fans to efficiently cool the compartments Both fans turn on with the compressor The freezer compartment FC fan is kept at a constant speed while the provision compartment PC fan is regulated to provide the cooling for the PC compartment which operates independent of the FC compartment in controlling its temperature The function of the microprocessor in the power control module is to provide independence of both compartments to their set temperatures although the environment of one compartment effects the other as they are linked by the ducts as can seen by the diagram of the internal air flow of the cabinet refer to Section 7 8 6 1 1 Power Control Module This module is the electronic brain and control centre of the refrigerator It contains microprocessor support circuitry and switching devices The power control module controls the provision compartment PC and freezer compartment FC temperatures by sensing the temperature and door state and operating the compressor and fans accordingly This module also houses the alarm beeper The speed of the fans is controlled by pulse width modulation PWM The power control module controls the fan motor speeds by driving them with short pulses These pulses vary in duration to change the speed of the motor The longer the pulses the faster the motor turns and vice versa The micro controller in the power control module uses its internal m
58. evice is on or a door is open the respective LCD will be on e Return to normal operation by pressing the MENU key Note Only the first 6 LCD s are used The last 5 are not used Input Output Status zi Lower drawer open nd Upper door open Compressor on Defrost heater On PC Fan on Er tanensdhen Low Ambient heater on door is closed Example e Compressor is on e FC fan is The PC fan is on d Note V O mode the illumination of the LCD will turn off if either PC doors are opened 9 1 Fault History The Fault History will indicate the last fault that occurred with the product However this will only be displayed for a periods of 4 days after which it can only be accessed through a download It will also indicate if there are any further faults with the display board If an icemaker display fault has occurred these will be indicated by fault codes F40 or F41 on the LCD Display Note This is fault history and may not necessarily be a current fault 43 321037 9 2 To Manually Force a Defrost While pressing and holding the MENU key press the DOWN key for 4 seconds Note that there will be a delay of two 2 minutes before the element starts to heat after going into this mode This is known as the warm up time refer to Section 5 2 9 3 LCD Display When the PC door is opened the backlight of the display will turn off and the functi
59. for 4 seconds The icemaker will rotate and empty the contents of the ice tray then return to its normal position The ice tray will then fill with water Note A forced harvest will operate without the product being down to temperature If the harvest does not work the sensor may be not connected or open circuit The icemaker sensor must be in circuit for a forced harvest to work 7 5 3 Ice Bin Full Sequence When the ice bin is full the icemaker starts a sequence of testing to ensure ice harvest can continue If the icemaker senses the bin is full the motor resumes its normal position Twenty minutes later the testing sequence commences until such time as the ice level is reduced by usage The testing sequence happens every 20 minutes Bin in position Bin lever senses if there is a bin in position or not If there is no bin lever Will be in the down 1 position as shown Bin full of Ice Lever sensing if ice bin is full If bin is not full icemaker continues rotation to eject ice 31 321037 7 5 4 Safety First e When first placed into operation discard the first bin of ice as this will remove any impurities that may have been in the water system e Dothe same after vacations or extended periods when ice is not used e ce cubes when not used will become cloudy will shrink and will taste stale The ice bin will need to be emptied and cleaned periodically e Avoid contact with moving parts of the ejec
60. from the Power Module this module generates the LED display The lamp is also switched from this module REED SENSORS Reed switches encapsulated within plastic housings are mounted on the cross and base rails behind plastic covers A magnet housed just under the lower end cap of each door activates these reed switches when the doors are closed COMPARTMENTS In this manual we refer to the refrigerator compartments as follows e Provision or fresh food compartment e Freezer compartment LOW AMBIENT HEATER Blanket wire type attached to the base of the PC liner 14 321037 5 2 Defrost Cycle The following table outlines the defrost cycle of an Active Smart refrigerator Defrost Cycle of the Active Smart Refrigerator With Showa Evaporator COMPRESSOR DEFROST ELEMENT DEFROST ELEMENT COMPRESSOR BOTH PC amp FC TURNS OFF TURNS ON TURNS OFF TURNS ON FANS TURN ON ouo d DEFROST TIME TARGET IS 18 MINUTES MAXIMUM IS 40 MINUTES NORMAL RUN 2 MINUTES 4 MINUTES 30 SEC BACK TO NORMAL RUN WARM UP DEFROST DRIP TIME DELAY If 40 minutes has elapsed defrost would be aborted if the defrost sensor has not reached 8 C 46 4 F If 2 defrosts are aborted Fault Code 2 is displayed Diagram 5 2 15 321037 5 3 The Refrigeration Cycle The compressor discharges high pressure high temperature gas into the condenser circuit A loop from this condenser coil forms the mullion heater around the front edge of th
61. g to the display board the fault code will show on the display just like any other fault Note There will be no alarm beeping if these faults occur No display signal received shorted or broken wire No display signal received shorted or broken wire clock or data line 39 321037 7 11 Testing Icemaker Sensor The icemaker sensor is located on the bottom of the ice cube tray The testing is carried out at the power module NM 5 cemaker sensor located under insulated pad E pe e rei al Fa Cm Sensor Insulation Wa Disconnect the refrigerator from the power supply Remove the power module from the product Test the two white wires marked OV and Ice Sensor on the controller Testing of the sensor resistance should be in a known stable temperature such as a glass of water full of ice cubes 7 12 Testing Icemaker Motor Remove the icemaker from the freezer ceiling m Disconnect the Molex connector Check the resistance between the White and Red wire on the connector Resistance 37 50 If the icemaker sensor needs to be replaced refer to Section 11 4 16 7 13 Testing Water Valve The water valves are located in the unit compartment Disconnect the refrigerator from the power supply e Remove the connector from the valve Resistance of the water valves is 14 5 When testing for voltage at the ice or water valve Disconnect the refrigerator from the
62. h to expose Molex connector Photo 11 4 14 3 8 Disconnect the Molex connector and remove the entire element 99 321037 9 Replacement and re fitment of the element is in reverse order Cautionary Note Ensure the element wiring is routed and or is not under tension as it may cause early failure of the element Refer to photo 11 4 14 4 Photo 11 4 14 4 11 4 16 Icemaker Temperature Sensor Replacement 1 2 3 4 Remove the icemaker refer to Section 11 4 13 The sensor wires are to be cut as close to the sensor as possible Strip the wires back 10mm 0 47 on the new sensor and on the wiring in the cabinet to allow the wires to be soldered together Place heat shrink onto both wires of the sensor Solder the wires slide the heat shrink over the joints and heat the heat shrink Note When the sensor is replaced there must be enough slack in the harness to allow the mould tray to rotate There is a tape marking on the spare part sensor harness This is fitted in front of the clip on the gearbox 11 4 47 Water Valve Replacement 1 2 3 4 nid Ensure the water is turned off at the supply tap Disconnect the refrigerator from the power supply Pull the product away from the wall to access the rear of the product To remove the water tube from the water valve push the inner part of the clip inwards and hold down while pulling the tube from the valve Drain the water approximately 1 litres 3 pi
63. hen brazing near the plastic liner 14 The same applies for the capillary applying more heat to the transition joint as it is heavier in material than the capillary 15 Pressure test both joints 16 Fit heat shrink sleeving over the joints and heat having placed damp rags around the area of the ABS liner as heating the heat shrink can cause the liner to be overheated t is also important to keep the thermal fuse in the element circuit away from the heat gun as heat from the heat gun can cause the thermal fuse to go open circuit 13 3 Refilling a Void In Foam Insulation When 50ml of each foam component is mixed together sufficient insulation will be formed to fill a space of approximately 25 x 25cm x 50mm 10 x 10 x 27 deep 3 litre volume Freefoam means that the space being filled is not fully enclosed The foam is handled as follows 1 Roughly determine the volume of the void to be foamed and then determine how much activator and resin is required Do a test run mixing a 1 4 cup of each to estimate your requirement on waste cardboard 2 Measure equal quantities of activator and resin into a large wax cup or similar and mix briskly with a wooden spatula for 10 15 seconds The mixture will start to feel warm and this indicates that mixing is complete 3 Pour the mixture into the void and allow to foam More can be added if necessary 4 When the foam is firm remove excess with a sharp knife apply film of wax and vapour
64. i meter is not possible due to the electronics contained within the motor The simple way to test a fan motor is to apply a DC voltage with a 9 volt battery A test lead can be made up as shown below that will test motors fitted with either the earlier Mini Mate N Lok plug or the later Molex plug Parts required are Component Mini Mate N Lok 2 way housing plug Pin Connector Molex Plug Male Socket Terminal Retainer Molex r Part Number 873988 872957 881593 881595 881594 A 9 volt battery terminal connector obtainable from any electronic goods supply store A 9 volt battery NOTE When wiring the plugs ensure that the polarity is correct as the motors will not run if the polarity is reversed STAGE 4 CONNECTOR TERMINAL CONNECTOR BATTERY 881593 PLUG MALE 881595 SOCKET TERMINAL 2 amp 881594 TERMINAL RETAINER MOLEX STAGE 3 FAN MOTOR UNDER TEST 873988 PLUG 2 WAY HOUSING amp 872957 PIN CONNECTOR 2 MINI MATE N LOK NOTE THE CORRECT POLARITY WHEN CONNECTING THE WIRES FROM THE BATTERY CONNECTOR TO THE PLUGS Diagram 11 5 64 321037 12 FAULT FINDING THE ICEMAKER 1 Is the Icemaker switched on See Note 1 2 Open the FC door or drawer 3 Check is the ice bin in place 4 Does the ice bin position lever unlock the bale arm See Note 2 5 Is there ice or water the ice mould tray 6 Is there a fault code being display on the LCD display or PCB boar
65. icemaker motor is carried out at the power module 66 321037 Note Before any testing is carried out ensure the product has an ice bin in place and the icemaker arm is in the down position Procedure e Disconnect the refrigerator from the power supply Remove the power module to expose connectors Remove the connector from the Icemaker PCB Check the resistance of the motor between pins 5 amp 6 resistance should be 350 5 Check the tact switch continuity between pins 4 amp 7 the switch should be closed Note To identify pin numbering Pin 10 and 11 are white wires Tact switch continuity Pins4 amp 7 Motor Pins 5 amp 6 Pins 10 amp 11 An alternative method of testing the icemaker unit is to use a 9 volt battery plus battery terminal and a multi meter With the meter probes placed into the back of the icemaker 4 way socket onto the yellow and blue wires check the continuity of the circuit to the tact switch in the ice mould tray The switch should be closed By applying a 9 volt DC supply across the white and red wires of the plug to the icemaker motor you can drive the ice mould tray forward to a full twist of the tray and the tact switch will close again Note 9 volt battery positive to the red wire to go forward 9 volt battery positive to the white wire to go backwards Checking the tact switch Advancing the motor 67 321037 12 2 Refitting the Dispenser Panel RF195A When refit
66. in for later use refer to figure 1 c Remove the sealing label from the end of the filter and insert the filter into the filter head refer to figure 2 d Rotate gently clockwise until the filter stops Snap the filter cover closed Figure 2 45 321037 4 Flush the icemaker to ensure good quality ice a Press until the icemaker menu is highlighted then press gt to turn on the icemaker b Press 4 b together for 4 seconds to force a cycle The ice tray will flip c When the ice tray has filled with water force another cycle The ice tray will flip and spill water into the ice bin d Empty the water and replace the bin e Discard the first bin of ice made Please note that once installation is complete a few drips of water may appear out of the dispenser over the next few days as the remaining trapped air is cleared This is normal 10 4 To Reset the Filter Icon e Press the UP and LOCK keys for 4 seconds to reset the filter monitor Note Do not reset the monitor before the filter is changed or monitoring will be inaccurate 10 5 To Disable the Filter Alarm Disable the alarm if no filter is to be fitted Press and hold the MENU UP and LOCK keys for 4 seconds to turn this feature on off 46 321037 11 SERVICING PROCEDURES 11 1 Safety Considerations CAUTION ALL TERMINALS AND INTERNAL PARTS SHOULD BE TREATED AS ALIVE ALL SERVICING SHOULD BE CARRIED OUT WITH THE REFRIGERATOR
67. ire off the new reed switch about 60mm 2 4 from the reed switch stripping the wire back about 10mm 0 4 stripping the old reed switch wiring back about 10mm 0 4 and after sliding heat shrink onto the wires soldering the new reed switch to the old wiring making sure both connecting wires are not shorting but are insulated with heat shrink sleeving Take care not to leave too much excess wire as the read switch must be able to be fitted back into the housing Refit in reverse order 11 4 6 Removal of the drawer slide panels The drawer slide side panels are held in place by the means of a dovetail mould in the cabinet liner To remove both left and right hand panels 1 2 3 4 First remove the screw that holds the back edge of the side panel to the liner panel Flex the top edge of the panel out to release the locking tab and plull the panel forward Disengaging the panel from the dove tail Refit in reverse order WM 50 321037 11 4 7 Defrost Heater Element 1 Unplug the refrigerator from the outlet socket 2 Remove all the bins from the freezer and remove the FC drawer 3 Remove the FC air duct cover by removing two screws Removal of the icemaker will make removal of the cover easier Refer to Removing Icemaker Section 11 4 13 4 Unclip the fan cover This unclips with the aid of a small screwdriver 5 Unplug the fan motor and remove the FC sensor Remove the FC air duct cover 6 Lift
68. l I ul zan 88 Mle lj 5 ee s ie E gu cam 2 0 0 Th E liz MSIY3H Fu Jarl 35i E amp wona S Aen 31n80 AYISI LT 7 PL LI LL 1 LM SIALLH Vd INOZ Ivo SOSH Iv S5043 MOISIAOM d 4000 2d HH 79 321037 15 4 RF175 amp Water Control Module Wiring Diagram CAP gt S 4 E V O MOTOR x zi MOTOR zo t PHASE LIMIT SWITCH t un z BH 12V HEUTRAL BU ICE SOLEHOID A a ICE SENSOR W _ z PHASE NEUTRAL T un BH FC DRAWER SEHSOR lt PHASE 12V e LL NEUTRAL BH DOOR SENSOR yey n cel NEUTRAL Ll E CO _ BU DOOR SEHSOR or PHASE 12V LLI DO zz 5 5 2 2 15 12VAC or 12VAC OR PC Ld 12 E mo 4 AC PU 42V un LAH 12V LL al at Uis ov gt 12V WATER SEHSOR Ti g FC SENSOR ov a 2 EVAP SENSOR z E 124 L ov n LL ov ce PC SENSOR ot ov SE 12V i ov BU Uu 12V BU gt oY CLK f un ET STROBE 2 ov DATA 2 COM BU 1 12V e gt 124 gt o8 80 321037 RF195A Ice amp Water Wiring Diagram 15 5 LS 3 10 OMY Say TOU Alddnis
69. mical conjunctivitis If any chemical used in the foaming process enters the eyes they should be washed out as soon as possible with copious amounts of clean water for at least 15 minutes It has been found that this will require the help of another person to hold the victim s eye open Foam that is frothing is particularly dangerous if it enters the eyes Contact lenses must NOT be worn when working with isocyanates for the chemicals can get in behind these lenses and irreparable damage may occur to the eye while the lens is being removed prior to flushing with water ESTES Mu DO S AND DON TS WHEN USING THESE CHEMICALS DO wear sufficient protection overalls gloves and goggles as directed by supervision or written instructions DO check that first aid facilities are always near you DO avoid personal contact with the chemical DO wash thoroughly immediately on leaving the work area DO seek medical attention at the first sign of breathing or chest troubles DO take care when using a gas torch in the repair of a refrigerator and protect the foam from the heat DO provide sufficient ventilation so as to avoid breathing any vapours whenever foam materials are handled mixed or poured THIS IS ESSENTIAL Cyanide fumes will be given off together with phosgene from the fluorocarbon present in each foam cell 73 321037 DON T let familiarity with the chemical breed contempt DON T ignore splashes on the skin
70. mp Roller Diagram 4 2 Front Levelling Screws 10 321037 Diagram 4 4 Uneven Door Alignment RF195A only Adjust levelling foot to adjust door alignment 11 321037 4 3 Levelling the Cabinet The word level is somewhat of a misnomer as a spirit level need not be used to set the appliance level It is preferable to have the appliance level in appearance where both doors will close with the aid of the door closing components It is also important that the appliance sits solidly on the floor Cabinet levelling can be done by adjustment of the front roller levelling wheel fitted ex factory Weight should be lifted off the cabinet for ease of adjustment The product should be levelled with the majority of the weight on the right hand hinge side front foot Even door alignment Uneven door alignment 12 The opposite side of the front foot should then be adjusted to stabilise the product Measure the gap between the roller and the floor This distance should be the depth of the rear packing material Cut the solid packing material to the depth and place the material on the floor against the wall and push the product on top of the material Unlevelled floors Gently push the top of the refrigerator back until the rear rollers contact the floor Measure the gap under the front foot which has come off the floor Obtain some solid packing material hardwood plastic etc NOT metal which fits
71. net run If no check power supplies If yes check refrigeration system If running check for live frost fully flooded evaporator f not check for leak Fans not working e Check I O Fault Log 5 there a 12Volt supply PC lights working If yes check fan connection s at fan end also at power module end of the harness If no check for power control module failure 5 the display lighting up e f not check display module connection f OK is compressor running e If not replace power module Power control module failure FC Too Cold Total FC sensor location Check set temperature compartment too e Sensor clipped and located in correct position cold Faulty sensor e Check calibration of sensor ice point using interface binary or refer to thermistor resistance table in service manual PC fan not going Check I O Fault Log Check for mechanical obstruction Check power to plug Check polarity Replace fan Check for broken wires FC Too Warm Bottom warm top Check defrost element is working replace if frozen faulty Check doors are sealing or have they been left open Adjust and advise customer FC fan jammed Clear restriction replace fan if necessary Check defrost sensor position reposition onto chassis if not already there Total PC fan not going Check I O Fault Log compartment Check for mechanical obstruction warm Check power to plug Check polarity Replace fan Check for brok
72. nt is low Check the Molex connections for the flapper heater Check the resistance of the heater If open circuit replace the heater The flapper heater current is high Check for short circuit of the heater If faulty replace the heater The resistance of the PC sensor 2 is outside the normal range 45K Ohms Temperature PC2 sensor cold Check the connection at the module Check the resistance of the sensor Replace the sensor The resistance of the PC sensor 2 is outside the normal range 660 Ohms PC 2 sensor hot Check the connection of the sensor at the module Check the resistance of the sensor Replace the sensor The resistance of the ice tray sensor is outside the normal range gt 45K Ohms Sensor cold Check the connections of the sensor at the module Check the resistance of the sensor Replace the sensor 37 321037 Fault Code 25 Reason Primary Action Secondary Action Fault Code 26 Reason Primary Action Secondary Action Fault Code 27 Reason Primary Action Secondary Action Fault Code 28 Reason Primary Action Secondary Action Fault Code 29 Reason Primary Action Secondary Action Fault Code 40 Reason Primary Action Fault Code 41 Reason Primary Action Fault Code 42 The resistance of the ice tray sensor is outside normal range 660 Ohms Sensor hot Check the connections of the sensor at the module Check the resistance of the sensor
73. nts into a container Remove the RAST connector from the water valve Remove the two screws holding the valve to the back wall of the unit compartment Refit in reverse order 11 4 18 Replacement of Low Ambient Heater This element is mounted in the return grill of the divider and is not replaceable A replacement element can be fitted onto the rear of the air duct It is of the blanket wire type on an aluminium tape stuck to the grill itself LE Disconnect the refrigerator from the power supply Remove all the PC shelving and crisper bins Remove the PC duct cover Remove the PC air return grill and unplug the element from the harness Peel the backing off the replacement element and attach the new element to the rear of the return grill Connect the element to the harness 56 321037 11 4 19 Replacement of Interior Lamp Diagram 11 4 19 Disconnect the refrigerator from the power supply Remove the light cover This can be done by using a small screwdriver and levering the cover off the front clips The faulty light bulb is removed by pulling the bulb out of the light socket To replace the light bulb cut the plastic bag but do NOT touch the bulb with your fingers Push the bulb into position Reconnect the refrigerator to the power supply Ensure the light operates and refit the light cover 11 4 20 Replacement of the interior light socket The interior light fitting while foamed into
74. o the groove on the edge of the body of the icemaker refer Note 1 Locate the clips and align the icemaker to the clips With an upward pressure re clip the icemaker into position refer Note 2 Note 1 Allow enough slack in the sensor harness for the ice mould to rotate The marker tape on the sensor harness fits forward of the clip on the gearbox Note 2 If either front or rear clips do not re clip further pressure will need to be exercised to re clip the icemaker o4 321037 11 4 45 Replacing Flapper Element 1 Disconnect the refrigerator from the power supply 2 Open the left hand PC door to expose the flapper 3 Remove the flapper spring Refer to photo 11 4 14 a Using a pair of long nose pliers remove the top part of the spring from flapper b Once removed the spring can be left in position Photo 11 4 14 4 Remove the bottom end cap off the flapper Refer to photo 11 4 14 1 Locking clips are to be pushed in to remove cap Photo 11 4 14 1 5 Remove the top screws holding the top flapper hinge to the door liner Refer to photo 11 4 14 2 Second screw located in front of hinge Photo 11 4 14 2 6 Remove the flapper off the bottom hinge and turn over to expose the bottom of the flapper 7 Slide the element forward Note The element is taped onto the steel insert and may offer some resistance Care should be taken not to damage the insert or the product Refer to photo 11 4 14 3 Pull element enoug
75. ode Yes Refer to Section Repair or replace 7 10 faulty components No Are temperature settings correct Adjust temperature settings Clear ice amp check Advise customer for causes product OK Yes Yes Do download temperatures and actual contents temperatures match Is Smart Tool download available Air ducts blocked with ice No Are sensors and covers installed correctly Install components correctly sealing Check door gasket sealing is OK Yes any air leaks 92 17 5 PC Too Cold Does the LCD display indicate a fault code Refer to Section No Are temperature settings correct Adjust temperature settings No Advise customer product OK Yes Are recorded temperatures correct Is Smart Tool download available Yes Yes No Check assembly of all ducts amp covers Are contents of PC frozen 93 Repair or replace faulty components Advise customer temperatures are OK Yes Are actual temperatures correct Check for blockages in air duct ice etc 321037 17 6 Ice Condensation Forming Check connections No Repair or replace at module if Ok faulty components replace controller Are the door gaskets sealing correctly Check Flapper Is the Yes gt Element resistance i 2 Yes resistance
76. of come out filter of tube Replace filter q No Refer Section 10 3 101 321037 17 16 Not Producing Ice Is the Icemaker turned on Turn on No Refer Section 7 4 1 Yes Are there bins in place Replace bins and No check Yes Is the lever detect in place Refit lever and Refer Section test 9 4 Yes Is the Ice Force a harvest Refer Section 5 and check if tray 9 4 fills water Yes Check FC temperature Has FC Investigate reasons for Refer Section reached FC not reaching 17 3 temperature 102
77. of Cabinet Top of Cabinet TOP STOW TRUCK THIS SIDE Diagram 13 1 2 71 321037 13 2 Evaporator Replacement The evaporator is located in the FC compartment mounted on the back wall on its own carrier with a grill covering a fan motor which is housed in the front cover Having determined that the evaporator needs replacing 1 Disconnect the refrigerator from the power supply 2 Recover the refrigerant 3 Remove the FC drawer refer to Section 11 4 10 4 Remove the evaporator coil cover 5 Clean both the suction and capillary pipes with emery cloth 6 With a tube cutter cut the suction pipe as close as possible to the induction brazed joint cutting the suction capillary side of the joint 7 With a file or knife cut the capillary where it enters the transition joint on the evaporator 8 With the element wiring disconnected the evaporator can be removed 9 Take the replacement evaporator and fit it to the carrier fitting the defrost element assembly and the 2 pieces of heat shrink sleeving onto the pipes 10 Align the evaporator and joints ready to be soldered into position 11 Lay the product on its back 12 Place a protective covering over the back of the liner to protect it should solder drop onto it while the joint connections are being made 13 Fit the suction and capillary lines together with a protective heat shrink sleeving placed on the pipe first away from the heated area Care must be taken w
78. ons will not operate i e the water dispenser will not work and temperature setting etc cannot be altered However if the door is left open for 5 minutes the interior light will turn off and the alarm will sound At this point the display will start working and all functions will be operative 9 4 To Manually Force the Press LOCK key first then press the DOWN and UP keys and hold all three keys for 4 seconds This will activate the icemaker Note If the bins are removed to observe the icemaker operation the icemaker will start to rotate However if the bin lever device is in a down position the icemaker will not rotate The lever lock needs to be either removed or pushed backwards for the icemaker to complete a full rotation Bin lever in down position When in this position the icemaker will not rotate harvest 9 5 Data Download To place the product into download mode press and hold the MENU key then press the UP key for four seconds then press the DOWN key Once the product is in a download mode either of the LEDs can be used Place the download pen towards the LEDs and start the download display will have the letters dl signifying the product is in a download mode 44 321037 10 WATER DISPENSER 10 1 Pressure Dispensing Pad This pad is located at the rear of the dispensing area and is used to dispense water Water can be dispensed by pressing the dispenser pad The display will light
79. oval of the FC 54 11 4 13 Icemaker Unit Replacement nennen nnne nnns 54 Ve Tek Reiting the IG 212 54 11 4 15 Replacing Flapper Element 55 11 4 16 Icemaker Temperature Sensor 56 11 4 17 Water valve a eR D Gat habea oce areas nies 56 11 4 18 Replacement of Low Ambient Heater 56 11 4 19 Replacement of Interior Lamp 2444440 5 11 4 20 Replacement of the interior light 57 4 321037 11 4 21 Replacement of PC Door Where John Guest Fitting Has Been Fitted 60 11 4 22 Block 7 Edge Connectors d ran we euis 60 11 5 Active Smart PC FC Fan Motor Tester 2 64 12 FAULT FINDING THE ICEMAIEHL tease de oC angu 65 12 1 Testing Icemaker MOO a Pe tO de brute det atk 66 12 2 Refitting the Dispenser Panel 195 68 13 PRESSURE TESTING OF THE REFRIGERATION SYSTEM 69 13 1 SPARS DOPING or I SIG Cl AlOlS meses ee estas eden antro ua er td a Du ud denen Salen 71 13 2 Evaporator Replacetmellta saecla e cer
80. pressor and system for leaks blockages and repair as required 17 13 Compressor Electrical Tests Are Are electrical compressor connections nee Repair winding Yes to No connections resistances compressor OK OK No Replace compressor 99 321037 17 14 Refrigeration System Faults Should the compressor be running Check defrost and cycle temperatures Wait until refrigerator completes defrost cycle Yes Are the compartment temperatures set correctly Adjust settings Advise customer product OK Yes Remove FC cover Is there a full frost pattern on the evaporator Check temperatures Check compressor and system for leaks blockage and repair as required Is there power to the compressor Refer Section 14 1 Repair as required 100 17 15 Not Dispensing Water Does the Check edge display light connectors to up display amp Module Yes Refer Section 7 13 Check water valve Does the Water valve No operate resistance Is it correct to specs Replace water valve Yes Turn tap off Yes disconnect water tube at water valve Turn tap back on again and check water flow from tube Does water come out Yes of tube Replace water valve No Check Water Reduction valve Yes or tap for fault Does Remove water water tube off outlet
81. put Output Status Press the UP key once more Input Output status shown indicates the product is in input output status The LCDs that are highlighted indicate what components are on Note When the PC door is opened the backlight will turn off The LCD for the FC or PC door will come on when either door is opened The IO shown stands for Input Output not a temperature Diagram D Input Output Status PC2 Sensor Temperature Press the UP key once more PC2 sensor This sensor is attached to the water tank Note 5 0 shown indicates the temperature of the PC2 sensor is 5 C 41 F Diagram E PC Sensor 2 PC2 Sensor Temperature Press the UP key once more Icemaker sensor Note 12 0 min shown indicates the temperature of the Icemaker sensor is 129 10 4 F Diagram F Icemaker Sensor Fault History Press the UP key once more Fault History HOO will be showing Diagram G Fault History 42 321037 To exit the diagnostic mode press the MENU key If not terminated manually the diagnostic mode will time out and go back to default display after 5 minutes Note The door alarms do not operate when the appliance is in diagnostic mode 9 INPUT OUTPUT STATUS To enter input output status e Press and hold the MENU key then press the UP key for 4 seconds This enters the Diagnostic mode e Press the UP key three times The current input output status will be displayed e d
82. r to the mounting pins and refit the retaining clips Refit the piping such as the suction discharge and water evaporator heater Fit a new charging tail process pipe O Replace the filter dryer The filter is to be removed by cutting from the system do not heat the filter to unbraze 11 Purge the system with nitrogen This is a must before any brazing takes place 12 Braze all the pipes 13 Pressurise the system and test for leaks TW COMPRESSOR PIPING LAYOUT LE ES DES D Diagram 13 4 Service tube process pipe Suction line Discharge line into condenser Condenser to mullion Mullion to filter Capillary tube Filter dryer Filter process pipe 75 321037 14 FAULT FINDING 14 1 Compressor Won t Start Dead Checks to be carried out 1 Check the fuse and power outlet 2 Check that there is the correct voltage from the power module to the compressor 3 Continuity test the 3 pin plug terminal block and the harness to the compressor 4 Check the compressor windings 14 2 Compressor Won t Start Hums Possible Causes 1 The voltage may be low e g 10 low Test the voltage under load 2 System pressures may not be equalised too short an off cycle 14 3 Compressor starts runs and then stops Possible Causes 1 Low voltage high voltage 2 Check the compressor voltage matches the supply voltage 3 The system may be grossly overcharged Liquid refrigerant ente
83. re sensors are outside the normal range gt 45K Ohms Check the 6 way RAST connector at the power module Re terminate the 6 way RAST connector Replace the power module The resistance of all the temperature sensors are outside the normal range lt 660 Ohms Check the 6 way RAST connector at the power module Re terminate the 6 way RAST connector Replace the power module The resistance of the FC sensor is outside the normal range gt 45K Ohms Check the sensor connection at the power module Replace the sensor The resistance of the FC sensor is outside the normal range lt 660 Ohms Check the sensor connection at the power module Replace the sensor 35 321037 Fault Code 7 Reason Primary Action Secondary Action Fault Code 8 Reason Primary Action Secondary Action Fault Code 9 Reason Primary Action Secondary Action Fault Code 10 Reason Primary Action Secondary Action Fault Code 11 Reason Primary Action Secondary Action Tertiary Action Fault Code 12 Reason Primary Action Secondary Action Tertiary Action Fault Code 13 Reason Primary Action Secondary Action Fault Code 14 Reason Primary Action Secondary Action The resistance of the Evaporator sensor is outside the normal range gt 45K Ohms Check the sensor connection at the power module Replace the sensor The resistance of the Evaporator sensor is outsid
84. ring the compressor low side causes slugging of oil 4 Check the current draw if an overload is detected the compressor will try to restart 5 The high pressure side may be fully or partially blocked Very high head pressure This is normally a blockage before the condenser 6 The condenser may be too hot e g air movement blocked or ambient temperature too high The refrigerator may be too close to a heating appliance 7 Check the compressor pipe connections 76 321037 WIRING DIAGRAM 15 15 1 RF175 Wiring Diagram W3lldOJ3SNY HL 2 2 o HL WHO Pe ra Hi 35vLIVM 1503330 ONY 399 110A 3 Alddns 31974 Was OL 83433 1 NOWWSOd Nid 1Sva X4 S3 LON 2i 22 di ii cii amdsisva 71 2 5 BE h BR LJ lL Lo LJ LJ L1 LJ L4 LJ SfYId S 15VMH gt X x WH 144043410 HATES Hv THOT TgHSE HALAH SAHOD 3 T W32 NNOD NOAIN SN MOT13A 1k ENIM M LL SMETNI HSA ND dli dM i a saNvasolon sind ond 189 en Pr HOH 9714951 NOS SNITHI Sw Nda ONOD AZE NNOD INIFNI XSTON WS NNO SNITNI 16 sr a NNOD 3NITNI 187 df HU STW NOD SY ILI ci 31nao0W NNOD 3NITNIdWY dV 1 uni HiHi m E el
85. rrectly odours taste Interior of freezer e storage bins needs to be emptied and needs cleaning washed e Refrigerator requires cleaning Poor tastes from e Filter may need changing incoming water e If no filter has been installed filter will need to be installed e Remove tube from exit of filter and test the water for taste after the filter If taste is present replace filter On Installation Water supply not e Press dispenser for 2 minutes and allow water to No Water turned on fill the lines and tank Coming In Supply line may be e Check supply line for kinks squashed blocked e Run a quart of water through the tank to remove all air bubbles Dispenser Lock Check to see if dispenser lock is activated or not activated 5 water Icon on Water frozen in tank e Check PC and FC setting and increase if e Check download to review excessive usage Freezing left ajar Check drawer closing mechanism Freezer e Check PC amp FC temperature and settings compartment too Check temperature of FC and download if warm required Water dripping Poor fitment of e Tube not pushed far enough into O ring of John from tubing into water Guest fitting dispenser tank e Oval concentric tube e Tube itself not within specification Rough cut tubing around ring Large O ring in tank e Replacement tank will be required leaking air 87 321037 17 17 1 17 2 17 3 17 4 17 5 17 6 1
86. s the UP or DOWN keys to turn the icemaker on or off When the cubes are frozen the icemaker motor will turn the ice cube tray and twist the tray causing the ice cubes to dislodge and fall out of the tray The tray will then return to its normal position and refill with water Note If the FC is above 109 149 or the ice bin is full or has been removed or fitted the wrong way around the icemaker will not operate 30 321037 7 5 2 Information About The Icemaker e temperature of the FC needs to reach below 10 C 14 F before the icemaker commences to operate e When first switched the icemaker carries out a harvest with no water in the ice tray e Once the ice tray resumes its normal position the water will fill the tray At this stage it will calculate the amount of time taken to do a cycle and then flips After this point it will run normally calculating the amount of time for each batch The rate of production will depend on the temperature of the freezer Note If the temperature is above 10 C 14 F the ice water tray will sit in this position and will not turn to dispense e cubes will be ejected from the mould into the ice bin It is suggested that the ice cubes are levelled with the ice scoop occasionally for maximum storage e The large and small freezer bins can be rotated if a large amount of ice is required To manually force a harvest Press the Down UP and Lock buttons together and hold
87. t from the defrost heater element Condensate from the evaporator defrosting drops into a collection trough which has an outlet hole in the centre of the liner A tube then allows the condensate to flow into a water evaporation tray that is located directly below the Condenser fan Water is evaporated by warm air from the condenser drawn across the tray by the condenser fan Diagram 5 4 1 5 4 2 Filter Drier From condensor Mesh screen is a first filter stage This material is highly absorbent water Diagram 5 4 2 The filter drier or molecular sieve as the name suggests is both a filter and a drier Whenever a system is opened it is essential that the filter drier is replaced AL WAYS ensure that replacement filter driers are kept well sealed and airtight prior to being fitted to a system PLEASE NOTE When filter driers are replaced on systems being serviced it is important that the filter drier is either cut from the system or the desiccant is removed before heat is applied to the old filter drier Failure to do so will drive any moisture held in the desiccant back into the system ALWAYS mount vertically or as near to vertical as possible and use the correct desiccant to suit the refrigerant being used XH9 suits R134a 17 321037 5 4 3 Condenser The condenser is made of tube and wires welded and folded and is located horizontally in the base of the cabinet see circuit diagram below Air is dra
88. the element itself or a triac failure in the power control module Both sides are protected in case phase and neutral are reversed NOTE Care should be taken if manually defrosting the evaporator using a heat gun that the thermal fuses are not over heated 6 1 5 Low Ambient Heater In low ambient temperatures a 12 Volt 7 Watt low power heater is used to keep the temperature in the provision compartment above freezing The ambient heater is controlled by the power control module which uses pulse width modulation PWM to run the heater at 58 to give 4 1 watts of heat The ambient heater is situated in the divider partition The element has the purpose of warming the base of the PC if the ambient becomes too low hence in the B models the element is on when the cabinet cycles off as the crispers could freeze The heater will always be switched off during defrosting There may be less than 4 cycles in the calculation if a defrost has occurred or there were long cycle times 24 321037 6 1 6 PC FC Fans There are two 12 Volt DC electrically commutated motors ECMs They provide the required cooling power to both compartments The motor speeds are controlled using a pulse width modulating PWM technique The power control module controls the on off of the compressor and the fans The speed of the FC fan is fixed and the speed of the PC fan is regulated using pulse width modulation The freezer compartment fan will always be set at the
89. the evaporator upwards to clear the bottom of the liner drain and pull the bottom edge of the evaporator forward 7 Remove the cable ties from the thermal fuses 8 Disconnect the element from the connector 9 Remove the end deflectors from both ends of the evaporator 10 Using long nose pliers bend the aluminium tabs to remove the defrost element 11 Remove the thermal fuses from the air deflectors 12 Refit the element in reverse order 11 4 8 Thermal Fuse This is part of the element assembly and is to be replaced as part of the defrost heater element assembly Having a trip temperature of 72 C 162 F they are not resettable 11 4 9 Removal Of FC Bins 1 Open the FC drawer and remove the ice bin and storage bins 2 Remove the safety clip from the tray slide Refer to photo 11 4 9 Remove the safety clip from the slide to remove the tray Photo 11 4 9 Remove the tray complete with the hook To remove the bin pull it back towards the freezer Lift the front of the bin and turn the bin 90 and remove from the FC Refit the bins in reverse order al 51 321037 11 4 10 Removal of the FC Drawer 1 2 3 4 Remove all ice and storage bins as in Section 11 4 9 Push the locking tab on each of the FC bracket mount slides as shown in photo 11 4 10 Once the tabs have been released the FC drawer can be lifted up Locating tabs on the bracket mount slides need to be removed out of the slide to remove the F
90. ting the front dispenser panel it is important that the wiring harness is placed correctly to avoid it being pinched otherwise it will prevent the panel from sitting flat when pushed back and clipped into place 68 321037 13 PRESSURE TESTING OF THE REFRIGERATION SYSTEM The use of the in line pressure gauge can speed up and eliminate the incorrect diagnosis of a leak within a refrigeration system n some cases it has been found to be the services manifold that was being used that was leaking and not the system There are very few parts on the in line pressure gauge that can leak Rule one In pressure testing any cabinet before disconnecting any joint please be 100 sure that it is not the joint that is at fault otherwise a lot of time can be lost looking for a joint leak that doesn t exist Rule two Only use dry nitrogen to pressure test a system NOT REFRIGERANT OR COMPRESSED AIR NEVER OXYGEN Rule three Don t over pressurise the system It could be dangerous How to use the In line Pressure Gauge Step 1 Cut and connect the pipe circuit to be tested to the in line pressure gauge and braze this joint Step 2 At the other end of the pipe circuit being tested crimp off the pipe with crimp off pliers and braze this end off to totally seal the circuit Step 3 Connect a nitrogen bottle to the in line pressure gauge by means of a hose with a Schrader valve depressing key in the hose coupling Step 4 Open the nitrogen
91. tor mechanism e Do not place fingers on the automatic ice making mechanism while the refrigerator is turned on 7 5 5 Icemaker Fill Tube Heater There is a heater located under the fill tube nozzle to prevent the fill tube from freezing It is connected in series with the low ambient heater 7 6 Key Presses To activate any mode certain combinations of key presses are required The key presses are as follows Key presses used by the service technician are those shown shaded Version 2 LCD Display keypresses 0 Dispenser Lock o On Off Hold down for 2 seconds Lock Key amp Dispenser Lock LANG On Off Hold down for 4 seconds Lock Diagnostic Mode Menu Up Hold down for 4 seconds gt Manually Forced Menu Down On Hold down for 4 seconds Defrost 4 Sabbath Mode Lock Menu Down On Off Hold down for 4 seconds 9 4 Disable Filter Alarm Menu Up Lock On Off Hold down for 4 seconds o gt Show Off Mode Menu Down Up On Off Hold down for 4 seconds lt Filter Reset Up Lock Reset Hold down for 4 seconds o Manually Force Down Up Lock Activates Hold down for 4 seconds Icemaker Harvest once 321037 7 7 Temperature Settings PC Setting 0 0 C 0 5 C 1 09 1 5 C 2 0 C 3 0 C 4 0 C 5 0 C 6 0 C 7 0 C amp o c 32 F 32 9 F 33 8 F 3479 35 6 F 37 4 F 392 F 41 F 42 8 F 44 6 F 46 4 F
92. tor under test Earth continuity can be measured between the earth pin on the 3 pin plug and the cabinet of the refrigerator 47 321037 11 3 Door and Door Gasket Doors Integral The doors are integrally foamed with the outer door panel and inner door liner foamed as one unit This means that only the door gasket can be replaced as a separate part Door Gaskets All replacement doors are supplied minus the door gasket The door gasket is a replaceable part of the door It is held in place against the door liner by means of a moulding that locks the gasket in place once pushed into it There are no screws or retainers to remove or fit To Remove the Gasket Pull on any section of the gasket to pull it away from the moulding To Replace the Gasket Having removed the old gasket lay the new gasket around the door gasket moulding First fit all corners then push the remaining gasket into place around the door Door Gasket profile Door liner with gasket rebate Diagram 11 3 48 321037 11 4 Component Removal amp Replacement 11 4 1 Removal Of Power Control Module Location Behind a metal plate in the unit compartment on the left hand side when viewed from the rear of the refrigerator 1 Unplug the refrigerator from the outlet socket 2 Remove the cover mounting screws securing the metal plate and remove the plate 3 Unclip the plastic locking tab on the underside of the module cover and remove the module
93. wash them off immediately with soap and water DON T take food or drink into an area where isocyanates are used DON T neglect splashes the eye see note above SUGGESTED METHODS FOR VENTILATION In a workshop fixed and or portable ducting with exhaust fans can provide good ventilation In a customer s house various alternatives are possible A portable ducted fan exhausting to the open air Turn on a kitchen X pelair fan and work near it If the clothes dryer exhausts to the outside air turn the fan on and work near it Use the household vacuum cleaner as a vent Work outside In service applications the quantities used may be small but observance of these safe practices is advisable 74 321037 13 4 Compressor Replacement COMPRESSOR With No Oil Cooler 1 2 3 p c p Disconnect the refrigerator from the power supply Empty the freezer Recover refrigerant from the system by fitting a line tap valve to the process pipe on the compressor and connecting to a recovery unit Remove the relay cover from the compressor and remove the connector from the compressor electrical pins Unbraze the compressor suction discharge and defrost water tray heater pipes Cut if a blockage is suspected Remove the water tray by removing the two screws Remove the retaining clips from the compressor mounting pins and lift the compressor clear of the unit compartment Seal the compressor lines Fit the new compresso
94. wn across and through this condenser by the condenser fan that is located alongside the compressor in the unit compartment It is important that the condenser is cleaned from time to time as any restriction to air flow Will affect the overall operating performance of the cabinet Diagram 5 4 3 5 4 4 Condenser Fan The condenser fan located in the unit compartment between the compressor and control module is of the shaded pole type motor pulling air through the condenser Diagram 5 4 4 18 321037 5 4 5 Condenser amp Mullion Layout Diagram 5 4 5 321037 5 4 6 Compressor Compartment Layout The diagram below will assist in identifying the various pipes within the compressor compartment It should be read in conjunction with the full system diagram See Diagram 5 3 LA ll zu SSS D Diagram 5 4 6 Service tube process pipe Suction line Discharge line into condenser Condenser to mullion Mullion to filter Capillary tube Filter dryer Filter process pipe poe D Et 5 5 FC Mullion Heater The mullion heater is part of the condenser copper tubing mullion heater providing heat to the gasket area of the FC compartment preventing sweating of the gasket around the freezer compartment 5 6 Provision Compartment Duct The duct covers provide an air passage up the rear wall of the provision compartment for the cold air drawn from the evaporator by means of the PC

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