Whirlpool Cassinetta Repair Manual Line Download Page 66

Page: 66 / 78

Possible reason:

Door

gasket damaged or
deformed, air leakage
inside the appliance.

Check

ALL

the gaskets (freezer and fridge).

Only if a few deformation is detected, try to
repair it heating up the involved area and
modelling the gasket.

If the door gasket is damaged or not
repairable, substitute it.

Possible reason:

Door

ice cover bad closure, air
leakage inside the
appliance.

Check the white ice chute (see pictures
below). If too much protruding from the
housing, replace the door.

Note:

this issue could be more frequent on

appliance produced between w18 and w35
2008.

NOT OK

Troubleshooting & Diagnostic:

Ice formation and moisture in freezer compartment

See also the previous pages, ‘ice formation on freezer roof’ and

‘ice formation on freezer bottom’ chapter.

Summary of Contents for Cassinetta

Page 1: ...Service Expert for Cooling Freezing ALL RIGHTS ON THIS MANUAL ARE STRICTLY RESERVED REPRODUCTION OR ISSUE TO THIRD PARTIES IN ANY FORM WHATEVER IS NOT PERMITTED WITHOUT WRITTEN AUTHORITY FROM THE PROPERTY OF WHIRLPOOL EUROPE Whirlpool Europe Service Competence Center Industriestrasse 48 D 70565 Stuttgart Germany Whirlpool Europe Service Competence Center Robert Zimmermann Service Expert Cooling Fr...

Page 2: ...ommunication failure indication CF Bad connections check page 52 Compartment temperatures unstable page 53 Fridge temperature too cold in meat pan drawer page 54 Fridge temperature too cold in upper fridge shelf s page 55 56 Freezer temperature too warm Over temperature alarm always on page 57 59 How to check the freezer temperature at the ice maker air duct page 60 Fridge temperature too warm pag...

Page 3: ... 7720 20 5 26620 2 7916 0 4 21 27402 0 9 1 5 8117 21 5 28210 1 8325 0 4 22 29044 0 9 0 5 8538 22 5 29906 0 8758 0 4 23 30797 0 9 0 5 8993 23 5 31717 1 9216 0 4 24 32668 0 9 1 5 9455 24 5 33650 2 9701 0 4 25 34666 0 9 2 5 9954 25 5 35715 3 10215 0 4 26 36800 1 3 5 10483 26 5 37922 4 10759 0 4 27 39082 1 4 5 11044 27 5 40281 5 11337 0 4 28 41521 1 5 5 11638 28 5 42803 6 11949 0 6 29 44130 1 6 5 1226...

Page 4: ... years 2006 2007 Q1 Q2 Q3 Q1 Q2 Q3 ITW ITW Flextronics MAIN BOARD Q1 Q2 2007 2008 Q1 Q2 previous years 2006 2009 Q3 Q4 Q1 Q2 Q3 Q4 Q1 ITW ITW Flextronics Q4 Q2 Q3 Flextronics Flextronics On some Biruni appliances IDI and no dispenser the freezer door user interface and ice crusher works in low voltage On NO IDI Biruni appliances and all the ITW and AKO appliances the freezer door user interface an...

Page 5: ...red the first time Press OK button to turn OFF the buzzer is blinking on the display Freezer and wait about 6 hour for correct temperature inside the Freezer Long black out activated while you was away 9 C or more is blinking on display Freezer Press OK button to turn OFF the alarm Communication between Control Board and Control Panel has to be checked by SERVICE CF is blinking on display Freezer ...

Page 6: ...uzzer is blinking on the display Freezer and wait about 6 hour for correct temperature inside the Freezer Long black out activated while you was away 9 C or more is blinking on display Freezer Press alarm reset button bell symbol to turn OFF the buzzer Communication between Control Board and Control Panel has to be checked by SERVICE CF is blinking on display Freezer Don t worry the appliance runs...

Page 7: ...ng on display Freezer Don t worry the appliance runs at default set point LF is blinking on display Freezer Production test not passed Wrong User Interface board UU is blinking on display Freezer Device has to be checked by SERVICE Communication between Control Board and Control Panel has to be checked by SERVICE CF is blinking on display Freezer Don t worry the appliance runs at default set point...

Page 8: ...8 ...

Page 9: ...run You can leave the fridge door closed because every 30 minutes the compartment is refreshed for 2 minutes to avoid growing bacteria Ice mode It gives you the chance to choose between crushed ice or cubed ice usually ice is delivered in cubed mode Sixth Sense Fridge and or freezer compartment runs automatically at colder set point when the temperature rising because a door open In this way the t...

Page 10: ...tion At the same time the acoustic signal will also activate and the icon alarm light will flash Operation alarm This symbol indicates that there is a problem with the appliance If this happens call customer focus Eco mode When available this function can be used to save energy It is important to remember that this function does not disconnect the appliance from the power supply Child lock This fu...

Page 11: ...ton Stand by button This function turns off the refrigerator and freezer compartments To active and disable the stand by function press this button Fast freezing freezer This function must be activated before freezing fresh food For enable this function press the fast freezing button Fast cooling fridge This function is used to speed up the cooling process for fresh food ...

Page 12: ...onds To reset the function carry out the same procedure until the previously set temperatures are displayed Vacation Fridge compartment stop to run You can leave fridge door closed because every 30 minutes the compartment is refreshed for 2 minutes to avoid growing bacteria Alarm button Push the Alarm button for disable the acoustic alarm ...

Page 13: ...n Water filter Water filter indicator at the time of purchase of the product and after replacement the filter symbol in green The filter symbol can become red according to product use and the natural depletion of the filter charge The filter must be only be replaced when the symbol on the display is red Alarm button Push the Alarm button for disable the acoustic alarm Child lock This function is u...

Page 14: ...ction is used to speed up the cooling process for fresh food On Off button Push this button for enable the ice maker function ice and water Door open alarm The refrigerator or freezer door symbol or both blinks and the acoustic alarm sound when the door are left open for more than 2 minutes If the door is not closed the acoustic alarm will sound again after 2 minutes ...

Page 15: ...function and to deactivate the acoustic signal Ice On Off Use the Ice On Off button to switch the ice maker on or off When the ice maker is on the display show on icon light Ice mode button Press this button to select the type of ice desired crushed or cubes Light button Ice and water light can be switched On and Off by pressing the Light button on the control panel or pressing one of the two disp...

Page 16: ...needs to switch ON OFF the appliance without remove the power supply It must be pressed during 3 seconds Mode button This button needs to engage disengage the Cubed Crushed ice mode it will change the blades rotation Dispenser lamp button This buttons needs to switch ON OFF the dispenser lamp the dispenser lamp will be switched ON every time the paddle is pressed Vacation Fridge compartment stop t...

Page 17: ... Alarm reset Push the alarm reset button for disable the acoustic alarm On Off button Push the On Off button for enable disable the Ice maker function Child lock This function is used to lock the water and ice dispenser The panel can be completely locked by pressing both the Fast freezing and Vacation buttons for 3 seconds ...

Page 18: ...perature press the Fridge temp button until the display show the required value Ice Mode This button needs to engage disengage the Cubed Crushed ice mode it will change the blades rotation Fast freezing This function must be activated before freezing fresh food To activate the function press Fast freezing button until the icon light up The function is automatically deactivated after 24 hours or ma...

Page 19: ...d or the child lock button when available one symbol key will come on and an acoustic alarm will indicate activation of the function To deactivate the function carry out the same procedure until the symbol goes off ECO mode Activation of Eco Mode Press the ice water button and the reset alarm button at the same time for 2 seconds After the 2 seconds the Eco icon will turn ON and 13 seconds later t...

Page 20: ...ards connections The right connections for all different versions of Biruni electronic board are NO I W Main power NO IDI Main power Heater niche Heater door IDI Main power Ice paddle Water paddle Light Motor ice door MAIN BOARD USER INTERFACE Only one supplier for the electronic Main Board ...

Page 21: ... boards connections MAIN POWER connector with 3 pin MAIN POWER connector with 5 pin Light lampholder switch Heater when available 2 heaters door niche Switch water paddle Switch ice paddle Connection with appliance wiring ...

Page 22: ...mode it will change the blades rotation Dispenser lamp button This buttons needs to switch ON OFF the dispenser lamp the dispenser lamp will be switched ON every time the paddle is pressed De frost It is a function that automatically engages the De frost HEATER when the bimetal sensor is closed ice on evaporator and 8 hours of compressor running are elapsed De frost stop automatically when bimetal...

Page 23: ...liance power off 2 1 hour from the engagement elapsed 1 hour time out 3 The same operation to engage the Test procedure is executed again freezer door switch pressed 3 times consecutively Note Following a Built in Test de activation it is not possible to activate the Built in Test again unless to unplug the appliance and then power it up again Appliance setting during Built in Test After a Built i...

Page 24: ...splay During the Damper check it should take about 90 seconds on the freezer display will be displayed the code 02 alternatively to the code 00 During the above Test both compressor fan evaporators fan and also the compressor will be switched ON for at least 15 minutes During the water valve dispenser check on the freezer display will be displayed the code 01 alternatively to the code 00 On the IT...

Page 25: ...uilt in Test ERROR TYPE ERROR CODE NOTE Components Relay Damper 8 Displayed on 1 digit Fridge display Evaporator De Frost heater 7 Displayed on 1 digit Fridge display Fridge probe 6 Displayed on 1 digit Fridge display Freezer probe 5 Displayed on 1 digit Fridge display Evaporator fan 4 Displayed on 1 digit Fridge display Compressor fan 3 Displayed on 1 digit Fridge display Damper 2 Displayed on 1 ...

Page 26: ...26 Ice Maker typology Before week 14 of 2007 After week 14 of 2007 SbS NO IDI SbS IDI R600 ELECTRONIC E module SbS IDI R134 MECHANICAL ...

Page 27: ...es repeated Failed optics Replace emitter and receiver boards and retest 1 LED pulses repeated E module Ice maker is in 5 minutes harvest cycle To verify look at the blades they should turning to reach the home position If not replace E module Ice Maker Incorrect wiring at E module Ice Maker emitter or receiver board Correct wiring and re test No LED pulses No power to E module Ice Maker Replace E...

Page 28: ...hrough a power up Ejector blade Park Stop Position about 2 o clock Start position Bimetal Closes Motor ON Heater ON 6 o clock position Water valve energized 7 5 seconds 140cc Fill following every harvest Ejector Stalls On Ice Motor ON Heater On 1 2 Minute To 5 Minutes About 4 o clock Position Thermostat Opens In This Range Of Operation Then Heater goes OFF E module Ice Maker ...

Page 29: ...d A harvest should start in a few seconds i e the ice cube rake is turning 5 Wait until the blades reaches the home position then verify that the water valve BLACK one is engaged for 7 5 seconds 1 second in order to fill up the Ice Maker mould with the water coming from the tap 6 Test passed Note The forced harvest switch bimetal bypass allows the service engineer to check motor function heater fe...

Page 30: ...y Ice Maker control circuit is functioning normally None required Ice Maker Control Circuit 1 LED pulses repeated Ice Maker in harvest mode Wait till the blades reach rest position Thermal fuse in Ice Maker harness is open Replace ice maker harness No power applied to Ice Maker module Wiring harness problem Check continuity in wiring harness Ejector bar does not move Motor has failed Replace ice m...

Page 31: ... is not closed Test points T H mould heater check Connect T H with an insulated piece of wire 1 5 mm to run the motor After about 1 2 rotation of the ejector you can feel the heat up of the heater in the mould If not the heater is defective and the complete mould should be replaced Test points L V water valve check Connect L V with an insulated piece of wire 1 5 mm The valve should switch on and w...

Page 32: ...aker is in 5 minutes harvest cycle To verify press in on door switch Status LED should flash at 1 second intervals Incorrect wiring at emitter or receiver board Correct wiring and retest Optics performing self tests will not perform diagnostic tests during this time Make sure ice maker is parked Switch OFF the Ice Maker by means the User Board for 5 seconds to reset optics control and retest No LE...

Page 33: ...aker immediately after the water fill 8 With the freezer door closed switch ON the Ice Maker 9 Wait 5 seconds to a maximum of 50 seconds then open the freezer door and watch the Status LED for one of the following codes Status LED Output Codes 4 PULSES repeated once indicates the relay is defective Replace both the emitter and receiver boards 3 PULSES repeated once indicates the optics and relay a...

Page 34: ...After opening the freezer door the technician has 2 seconds to see the code LED output failure indication 2 flashes 1 second off 2 flashes again Indicates an optical problem Solution Change the IR Receiver 3 flashes 1 second off 3 flashes again Indicates an icemaker fault Solution Change the icemaker 4 flashes 1 second off 4 flashes again Indicates an defect relay Solution Change the IR Receiver I...

Page 35: ...ker is parked Unplug refrigerator for 5 seconds to reset optics control and retest Optics check not run before testing Ice Maker Run optics test and recheck ice maker Freezer door not closed after Optics test Close freezer door to start harvest Optics path not clear Clear optics path Optics test failure Replace emitter and receiver boards and retest Ice Maker is not powered Checks poles relay outp...

Page 36: ...aker allows all of the components to be tested without removing the Ice maker or moving the refrigerator away from the wall to access the water valve Removing the cover you wiil see the test points identified on the module N Neutral side of line M Motor connection H Heater connection T Thermostat connection L L1 side of line V Water valve connection H T Thermostat L H Heater L M AC Motor L N 220Va...

Page 37: ... run the motor If the motor doesn t run replace the module assembly If the motor runs replace the bimetal thermostat If you leave the jumper in for a half of a revolution you can feel the heater in the moid heat up if it s good Remove the jumper and the water valve will be energized in the last half of the revolution Make sure that the freezer temperature is cold enough to close the bimetal NOTE D...

Page 38: ...ition Close the freezer door and switch on the system using the User Board ON OFF push button 5 Open the freezer door and observe the ice maker A harvest should be in progress i e the ice cube rake is turning NOTE If holes T and H are properly bridged and the ice maker will not run stop the test and check the ice maker 6 Remove the jumper before the fingers reach 10 00 o clock position 7 Verify th...

Page 39: ...ermostat jumper not making contact Reposition jumper Heater is not on Heater has failed Replace ice maker Thermostat jumper was left installed past 11 00 position Remove jumper by 10 00 position of ejector bar Water valve wiring connection problem Check wiring to valve Customer s water supply is problem Check for proper water supply Frozen water fill tube Defrost the water fill tube and check for ...

Page 40: ...esign of this Ice maker allows all of the components to be tested without removing the Ice maker or moving the refrigerator away from the wall to access the water valve Removing the cover you wiil see the test points identified on the module N Neutral side of line M Motor connection H Heater connection T Thermostat connection L L1 side of line V Water valve connection H T Thermostat L H Heater L M...

Page 41: ...41 Inside Ice Sensor Guide Ice Full Test Switch Not Used SbS NO IDI Sankyo ice maker ...

Page 42: ...tion to start ice production 9 C ambient temperature for min 2 hours Condition to stop ice production 10 C temperature in the mould ice sensor The ice cube extracting will be managed only by twisting no heating element inside The Ice Full arm turns every 2 hours in the down position 30 C In this case the internal contact inside of the icemaker gave a signal to the main board The signal means that ...

Page 43: ...43 TEMPERATURE VS RESISTANCE VALUE TABLE FOR SANKYO ICEMAKER ...

Page 44: ...44 ...

Page 45: ...y 4 In crushed mode the solenoid is not energised so the ice is forced into the crusher blades conduit Crushed ice pieces will vary in size and shape See the following diagram to understand the overall concept 5 Keep bits of ice from being sprayed beyond glass by placing a glass with a large opening close to the ice chute 6 Dispense ice by holding glass against ice lever arm The mechanically opera...

Page 46: ...hrough the refrigerator floor and travels through a conduit foamed into the cabinet bottom to a location just short of the freezer door bottom hinge The tube enters the freezer door through the centre of the hinge pin and runs up the left flange of the door and crosses over the top of the cavity behind the water dispensing lever NOTE The first glass of water will be somewhat warmer than following ...

Page 47: ...us ranges except no dispenser Achievable de achievable using the switch on the user see picture below normally ON from the factory Anticondensate function on the user niche Anticondensate heater on the User niche Which appliances How to activate it NO heater Biruni IDI all no dispenser appliances YES heater Biruni NO IDI all the previous ranges IDI e NO IDI Achievable de achievable using the switc...

Page 48: ...ture below show you the best positions to make a new connection for the Lokring connectors High pressure compressor to condenser Condenser outcoming to the filter dryer Suction pressure outcoming evaporator to the compressor Incoming to the filter dryer Low pressure capillary tube to the evaporator incoming ...

Page 49: ...t 10 minutes To see the indication again plug out and plug in the appliances Check on which compartment side you have the sensor failure indication Check the resistance value according to the temperature table on page 3 in this document Sensor OK Sensor defect or not calibrated Check the connections to the main board Connections OK Change the Main Board Change the sensor ...

Page 50: ...he appliances with the Service Solution New air baffle cover kit as described in the Service Bulletin 4812 711 40158 2 On 2007 and 2008 not Biruni appliances change the Main Board with a new one introducing a complete damper sliding door operation opening closing every 25 minutes as described in the Service Bulletin 4812 711 40303 Ice formation is avoided by the periodical operations of the air ba...

Page 51: ...EMBLY Visual check of damper sliding door To detect if internal slide is broken without disassemble completely the damper check if is manually possible to move the slide over its limit position Note on damper with transparent rear plastic base is possible to check visually the slide condition 1 load violet N 2 line motor control output brown L 3 feedback orange L 1 3 Pin 1 N to Pin 2 or Pin 3 must...

Page 52: ...Y SOLDERED WIRES CUTTED BURNED Communication failure between Main Board and User Board Check ALL the connections see pictures below Connections are all good Pins are all inserted Replace the User Board and if the problem persist replace the Main Board Indication UU on the freezer display only for 2007 range appliances and following There is communication between Main Board and User Board is OK but...

Page 53: ...r on the cooling cycle If not If yes Clean damper and air duct from ice Check if damper works Damper is OK No Visual check of damper sliding door Slide is broken Yes Damper is defect Change the damper Change the damper Yes No On 2007 and 2008 not Biruni appliances change the Main Board with a new one introducing a complete damper sliding door operation opening closing every 25 minutes as described...

Page 54: ...ll not open cold air from freezer could pass through this passage Change the damper Yes No On very old appliances before w41 2002 in case of iced meat pan slider change of the slider as described in the Service Bulletin 4812 711 40145 On appliances produced before w23 2007 close partially the inlet air duct in the freezer compartment After this date an air duct reduction air passage 40 reduced was...

Page 55: ... opening closing every 25 minutes as described in the Service Bulletin 4812 711 40303 Ice formation is avoided by the periodical operations of the air baffle which are cleaning the slide path If no Possible reason On old NO IDI appliances before w10 2006 Could be when the customer change the position of two upper shelves that this cause a reduction of the air circulation to the sensor In this case...

Page 56: ...there could be cold air and humidity passage from freezer to fridge Check the air baffle assembly possible defects that could generate leakages are Damper not completely well inserted in the assembly Sponge too thin add an additional sponge o replace it with a bigger one in order to improve the seal Short cover assembly Long cover assembly ...

Page 57: ...n Gas leakage Check with a leakage spray all soldered places or measure the pressure in the cooling cycle If there exist a leakage or there is not enough cooling gas inside make the repair to the present valid regulations of cooling cycles Possible reason Evaporator completely iced Thermofuse bimetal Defrost heater Main Board Could be the result of defect Check the resistance value of the heating ...

Page 58: ...eservation limit The picture below shows you the correct position of the Bimetal thermostat about 3 cm between the bimetal fixation point and the first tube of the evaporator To avoid a rotation of this part fix the cables with wire stripes Fix the cable at this place About 3 cm Sensor Check the sensor resistance value according to the temperature table on page 3 in this document If sensor defecte...

Page 59: ...aporator cover in the freezer compartment 3 Disconnect only the thermo fuse wiring in picture below 4 On the cabinet check the signal between the black wire Pin 8 on the Main Board and the pin related to black wire of the thermo fuse wire num 2 in picture If no signal it means that the wires are reversed in the foamed cabinet You have to cut the thermo fuse black and brown wires num 1 and 2 in pic...

Page 60: ...rature at the icemaker air duct Note The temperature reading must be taken for 4 minutes with both doors closed It should be at least 19 C Temperature sensor in the freezer air duct Wrong temperature Over temperature alarm if available ...

Page 61: ... Bulletin 4812 711 40330 Troubleshooting Diagnostic Fridge temperature too warm Note Be sure that freezer works properly before to proceed if some problems occur in the freezer not enough cold air is coming to the fridge compartment See also the freezer too warm chapter Clean damper and air duct from ice Check if the damper is always in closed position Possible reason Damper is blocked in closed p...

Page 62: ...ontrol board box 4 Disconnect only the 12 pole connector With a multimeter check the ohm value between the two following points Blue wire Pin 1 of the 12 pole connector disconnected and brown wire Pin 1 of the 16 pole connector connected Between the two points we have to found the ohm value of the defrost heater for R134a it s 83 94 for R600a it s 172 201 If the result is open circuit that means t...

Page 63: ...ctor position and opposite Change the connector position Troubleshooting Diagnostic Fridge compartment temperature too warm and Freezer compartment completely frozen 28 C 4 3 2 1 Freezer Sensor Pin 2 blue wire Pin 4 brown wire Fridge Sensor Pin 1 blue wire Pin 3 brown wire ITW BOARD FLEXTRONICS BOARD ...

Page 64: ...op metal frame In this case change the appliances Bad mounted plastic corners In this case follow the description in the Service Bulletin 4812 711 40135 1 Troubleshooting Diagnostic Ice formation on the inner liner freezer flap or roof and light switch Note Be sure that the doors are aligned before to proceed Ice formation could also be related to a door misalignment issue Ice formation ...

Page 65: ...roubleshooting Diagnostic Ice formation on the freezer bottom For appliances until range 2007 The membrane on the outcoming tube to the drip tray could be loosing falling down In this case warm air with humidity enter into the freezer compartment and cause the ice formation For all appliances The outcoming tube to the drip tray could be blocked or disconnected from the evaporator tray ...

Page 66: ...pairable substitute it Possible reason Door ice cover bad closure air leakage inside the appliance Check the white ice chute see pictures below If too much protruding from the housing replace the door Note this issue could be more frequent on appliance produced between w18 and w35 2008 NOT OK OK Troubleshooting Diagnostic Ice formation and moisture in freezer compartment See also the previous page...

Page 67: ... container Possible reason Freezer compartment too warm See the freezer too warm chapter Possible reason On NO IDI appliances Frozen water incoming chute to the icemaker see picture Note this issue could be more frequent in case of water not filtered be sure that customer replaces regularly the water filter Possible reason On IDI appliances Frozen water incoming tube to the icemaker To solve this ...

Page 68: ...ced in 2008 A wrong IDI ice crusher motor could generate a failure of the user interface board and a customer claim of not delivered ice Check the ice crusher motor see below and if necessary replace the motor and the electronic board according to the Service Bulletin 4812 711 40306 If all the above is OK the problem comes from the User Interface board Change it and pay attention to the handling M...

Page 69: ...r microswitch and electronic board NOTE On NO IDI appliances the AC motor is driven directly by the microswitch The User Interface and the Main Board are not involved in the AC motor activation Claim of no ice cubed delivery Check if the solenoid fit beside the AC motor is working when Ice dispensing paddle is pressed and freezer compartment door is closed Ice section child lock not activated If t...

Page 70: ...0 Troubleshooting Diagnostic Mid trans bar too hot higher than 50 C Reason The compressor condenser fan does not work Check the connection of the fan If the connection is OK change the fan Mid trans bar ...

Page 71: ...t and opening the fridge door in this case the evaporator fan will stop Compressor fan Check if something is in contact with the blades If all OK replace the fan Evaporator fan Check if the motor fan assembly is ok Be sure that the blade is completely inserted in the motor shaft Check also if noise could be generated by the vibration transmission due to some contacts between shelf and freezer cove...

Page 72: ...noise Cut a small part of both EPS cover see picture below following the instructions in the Service Bulletin 4812 711 40328 Note In this case is not necessary to replace the damper Possible reason On recent appliances after w18 2008 for IDI after w23 for NO IDI Air baffle is no more a single component it became an assembly Noise could be generated by a friction between sliding door and EPS cover ...

Page 73: ...g circuit noise Possible reason In case of capillary occlusion or capillary too much inserted in the filter an exceptional level of expansion noise could be detected Replace the filter and recharge the appliance ...

Page 74: ...oard Check on the main board the Pin 7 for fridge or Pin6 for freezer at the 16pol connector feedback signal to the Main Board If lamp doesn t work yet check the door switch Refrigerator door Freezer door Possible reason In case of door inner liner too low a not complete switch closure could happen when door is closed Rise door position acting on bottom hinge Troubleshooting Diagnostic Fridge or f...

Page 75: ...u have to change only the Main Board Follow the instruction in Service Bulletin 4812 711 40179 2 Possible reason On old no dispenser appliances with ITW electronics Possible some electronic bugs in the User Interface and the Main Board Follow the instruction in Service Bulletin 4812 711 40240 Troubleshooting Diagnostic User Interface black out User Interface automatic stand by or automatic change ...

Page 76: ... and solenoid as described in Service Bulletin 4812 711 40314 v1 1 Be sure to use to use the new PP3 User interface board see pictures below Troubleshooting Diagnostic User Interface flickering display automatic change of temperature set up random engagement of the solenoid and the water valve not delivered ice in some conditions 2008 Biruni appliances ...

Page 77: ...hole see picture 1 the water fill adjustment is for 7 5 seconds fill time normal Turning the water level adjustment screw see picture 2 moves the contact in relation to the contact ring segment see picture 3 Turning the screw clockwise decreases water filling Turning the screw counter clockwise increases water filling A complete rotation 360 effects a filling of 40 cm or 20 8 cm water 2 4 sec depe...

Page 78: ...ints at the ice maker Test points L V water valve check Connect L V with an insulated piece of wire 1 5 mm The valve should switch on and water should flow into the mould Note If the mould heater is defective the valve will be not activated As indication for the modified door the factory put a stamp on the packaging and on the bottom side of the service door It shows you the production week of the...

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