Service Information - Andi
Contents
1. H flashs at the same time as the SuperFrost Service menu active and SuperCool LED SuperFrost simultaneously for 3 seconds 1 Actual value H flashs at the same time 2 as the SuperFrost and Press Up once Service menu active SuperCool LED Stepwise demo mode Demo mode Demo mode can be deactivated only via service menu not by Off On Operation switches to the mode wanted demo mode or normal mode as soon as SuperFrost has been actuated Page 30 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 7 3 Service mode L Display Operation Display following Testing option Info operation Service menu start Press On Off and H flashes at the same an acme for 3 time as the SuperFrost Service menu active seconds 9 and SuperCool LED Service mode test display LED door contact potentiometer H flashes at the same L flashes at the same 1 time as the SuperFrost Press Up twice time as SuperFrost and Service mode selected and SuperCool LED SuperCool LED L flashes at the same 2 time as SuperFrost and Press SuperFrost rd flashes Service mode activated SuperCool LED 3 rd flashes D edandonen All button LEDs and Door contact LEDs p display segments shine display 4 All button LEDs and Press all the buttons one LO shines Button actuation is display segments shine after the other confirmed by beep After step 4 actua2. Fig 5 3 1 2 Unlocking IceMaker only ICN 3066 Fig 5 3 1 1 Freezer compartment with air duct S Fig 5 3 1 3 Fan module Page 25 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 3 2 Temperature fuse evaporator sensor and defrost heater Temperature fuse The temperature fuse can be replaced separately with a conversion kit The conversion kit comprises 1 temperature fuse 2 compression connectors 2 shrinkdown tubings Please note Always attach the compression connector to the red and blue lines of the temperature fuse As soon as the white line of the defrost heater is cut the defrost heater is destroyed Evaporator sensor Remove cover plate by cutting the adhesive tapes at the right and left Draw the evaporator sensor to the right out of the lamellar evaporator Defrost heater Is clipped into the evaporator fins Can be replaced if defective Temperature fuse Fig 5 3 2 2 Cutting adhesive tape NN ODA 4 4 4 2 ee 6 MUAA CEER I ldd m aS R Ra nnn 7 wn arrn n a rae e C a a ee ee H R n r P f lt am m a E ae P eee 6 lt U w 2 ane aS n K Fig 5 3 2 3 Evaporator sensor defrost heater Page 26 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 3 3 Fan and reed PCB Reed PCB Disengage cover of reed PCB see Fig 5 3 3 2 Disconnect Reed PCB gt Note mounting direction of reed PCB Reed relay points forwards F
3. 25 C is predetermined Error of ambient temperature sensor is checked and displayed only in the control panel test of the service mode Page 32 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 8 2 Troubleshooting VCC compressor inverter 8 2 1 Checking the inverter and the frequency signal Connect appliance to a power meter Switch on appliance Is the compressor runnina no Sp xthe compresso running after 90 seconds De Ds connected or power PCB faulty yes Inverter power PCB and frequency cable are in order Does the speed increase higher power input Switch appliance off Does the compressor stay ata etandcetill yes Inverter faulty Frequency signal faulty not connected or power PCB faulty Attention In case of interruption of the frequency signal the compressor starts only after 90 seconds Page 33 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 8 2 2 Checking the compressor Fault profile Compressor does not run not even after a waiting time of 90 secs In the service menu select service mode L1 low speed or L2 high speed If the compressor now starts there was probably an operator error Otherwise proceed as described below At the inverter line voltage 230V must be applied between N and 1 C Is voltage applied to the inverter G Fault at cable connec
4. 3 Fig 5 2 9 4 Page 22 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 10 BioFresh pull out rails Pull out rail Press in lock and press rail to the rear Fig 5 2 10 1 Support is replaceable Fig 5 2 10 3 Fig 5 2 10 1 Fig 5 2 10 2 Fig 5 2 10 3 5 2 11 Door magnet Magnet holder Press marked locating lugs together and detach magnet holder upwardly Fig 5 2 11 1 7 Fig 5 2 11 2 Page 23 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 12 Support rails for sectioned glass shelves Rails These plastic rails support the sectioned glass shelves The marking R for right and L for left is impressed inside The toothed profile has to rest against the underside of the supporting ribs of the compartment liner Support rail Toothed profile for va better fixation Fig 5 2 12 1 Fig 5 2 12 2 Page 24 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 3 Freezer compartment 5 3 1 Air sensor evaporator module and fan module Air sensor Engaged in sensor holder on air duct cover Evaporator module Remove drawers and glass shelves in freezer compartment Disengage air sensor Undo the screws marked in Fig 5 3 1 1and remove the rear wall Lift the evaporator module to swing it out in a forward direction Fan module Unscrew the marked screws and uncover cable Fig 5 3 1 3 7 i S ar sersor E I
5. compartment air sensor switch the compressor off Generates the display value Inserted into lamellar evaporator Freezer compartment evaporator sensor and freezer compartment air sensor switch the freezer compartment fan on Ends defrosting phase In fan casing Reed PCB Make contact Activation via magnet on the inside of the door is replaceable Switching signal when door closed fan on interior light off ICBN 3066 door open fan off interior light on ICBN 3066 door alarm on after 60 sec At top in middle of freezer compartment On compressor on and freezer compartment door closed and evaporator sensor switch on value reached Switch on value evaporator sensor a during start up after defrosting phase 25 C b in normal operation 2K colder than freezer compartment air sensor Off compressor off or Special case The refrigerator compartment air sensor is too warm and the freezer compartment sensor is at least 2K colder than the switch off value There is therefore more power available for the refrigerator compartment Clipped into lamellar evaporator Keeps the lamellar evaporator free of ice Control see Defrosting On crosspiece Lights up as soon as door is opened Is switched off after door has been open for 15 minutes Page 11 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 4 2 Refrigeration components and functions 4 2 1 General Compre
6. 1 3 PCB Release marked locks with screwdriver and draw PCB out of the PCB carrier SL ame tg A sad Lal L amma v tihi LH roceiy Fig 5 1 1 4 Disengage the other PCBs and remove them from the PCB mounts oe BEBER th ae TR Premium Rimkresh Aiat f Fig 5 1 1 5 Page 14 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 1 2 Soft stop Integrated on the doors the SoftSystem cushions movement when the doors are closed The door is closed automatically from an opening angle of approx 30 Soft stop mechanism Undo marked screw on hinge side and detach holder for soft stop mechanism Lever off retaining clip with screwdriver and detach soft stop mechanism from spherical head Fig 5 1 2 4 Detaching soft stop mechanism from Fig 5 1 2 5 Soft stop mechanism spherical head detached Page 15 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 1 3 Solenoid valve refrigeration circuit Solenoid valve When detaching the capillaries pay attention that they are properly re connected Marking on solenoid valve cover KS Capillary refrigerator compartment GS Freezer compartment capillary Freezer Capillary compartment refrinerator capillary Fig 5 1 3 Page 16 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 Refrigerator compartment 5 2 1 Disassembling the horizontal separating plate e Remove uppe
7. D lighting unit at the connector and cooling plate Fig 5 2 7 4 Fig 5 2 7 1 Fig 5 2 7 2 Fig 5 2 7 Fig 5 2 7 4 Page 20 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 8 Refrigerator compartment light column in PremiumPlus appliances LED light column Using small screwdriver turn cover cap with slot downwards Insert screwdriver in slot and remove cover cap Undo screws of light column Fig 5 2 8 1 Fig 5 2 8 2 LED PCB Unlock and pull off connector Fig 5 2 8 3 Unlock PCB and connector socket at the marked locations Fig 5 2 8 4 Lift PCB at an angle from the light cover Hil Connector E v E Sen W LJ Boii by tet S AIT VA wii Fig 5 2 8 3 Fig 5 2 8 4 INFO One LED group comprising 3 LEDs is used for each illuminated support rib If a single LED of an LED group Is defective the entire LED group is inoperative All the other LEDs continue to shine LED groups per support rib oss S SLA ta tsi 9 uei LR ja dy D i Fig 5 2 8 5 Page 21 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 9 BioFresh lighting in PremiumPlus Geraten BioFresh LED lighting Unlock lighting unit Fig 5 2 9 2 Unlock and pull off connector Fig 5 2 9 3 Unlock LED PCB and remove PCB Fig 5 2 9 4 Fig 5 2 9 1 Fig 5 2 9 2 Unlocking PCB 3 Unlocking connector Fig 5 2 9
8. Fresh air sensor That way temperature fluctuations in the BioFresh compartment are minimized An ambient air sensor error is displayed only in the service menu In case of fault the switch off value of the BioFresh air sensor is not affected Info In case of a defect the power PCB has to be replaced Page 8 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 Door switch Fan Refrigerator compartment interior light BioFresh compartment interior light Only ICBN 3066 Position In front panel Type Reed PCB Contact type Make contact Function Activation via magnet on the door magnet is replaceable Switching signal when door closed fan on interior light off door open fan off interior light on door alarm on after 60 sec Position Centre of liner ceiling behind vertical separating plate Function Refrigerator compartment Compres air sensor s or Switch on value refrigerator ON ON Switch on value refrigerator ON CLOSED compartment warm high speed switch on value refrigerator ON OFF OPEN compartment warm Switch off value refrigerator CLOSED compartment cold ONT OPEN e g if the refrigerator compartment air sensor is warm i e fan switch on value is reached and the compressor is ON and the door is closed then the fan is ON high speed Control Low speed 7V DC High speed 9V DC Position ICBN 3056 Inside right ICBN 3066 Inside right and left Functio
9. LIEBHERR Service Information Service Manual No 01 2007 LHG TKD Ne 1 1 04 07 Appliance Documentation ICBN 3056 from Index 21 Premium ICBN 3066 from Index 20 PremiumPlus with IceMaker LED light column BioFresh and freezer compartment lighting Refrigerator for integrated use BioFresh NoFrost ICBN 3056 T ICBN 3066 Page 1 34 01200700SM_gb doc Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 Contents 1 0 Operating and control elements ssssssssssssssss sss ss sssssssss sese eess sese ss enesenn enen ennenen neee 2 20 Fu uncthionsata glane essasi THT 3 3 0 Description f the appliance iccssstesercesesceccses censuses nananana A aaa aea aAa 4 3 1 ICBN 3056 Sensor positions schematic diagrams esse e ee eee 5 3 2 ICBN 3066 Sensor positions schematic diagrams esse e ee eee 6 4 0 Main components and their fUNCTIONS cccseseeeeeneeeeeeseeeeeseeeeeneeeeenseeseeneeseeseeeseaneesonseesoens 7 41 Electrical COMPONENTS and h Tale nein 7 Ae Mh PRA TNO A ale Neale tat arcs ace geet sb Pum E aie ott vat cea A casa 7 4 1 2 Refrigerator BioFresh COMpPArtMEN cccceeeccccseeeeeeeeeeeeeceeeeeecseeeeeseuseeeesaueeessaeeeeseaueeessaeeessaeeeeeesaass 8 A t3 Freezer GOMPANIM LT 10 4 2 Refrigeration components and functions sese eee eee eee 12 A E E ke 1 ET EA EEEE E eee T ETT 12 422 Remngeratorcompalmen oreari a a a aaa ea 12 42 3 RA Ta TT apn LTTE 12 4 2 4 Principle of operation of the refrigera
10. an Disconnect Reed PCB Extricate cable from fan module Open retaining clip for cable Disconnect fan cable Remove fan module Remove fan vanes Remove fan from holder Fan module Reed PCB j f Fig 5 3 3 1 Fan module with reed PCB Fig 5 3 3 2 Reed PCB Fig 5 3 3 3 Fig 5 3 3 4 Fan Page 27 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 3 4 Only ICBN 3066 double solenoid valve IceMaker Solenoid valve Undo marked screw see Fig 5 3 4 1 Remove cover Fig 5 3 4 1 Fig 5 3 4 2 Page 28 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 6 0 Technical data 6 1 General Sensor values Refrigerator compartment Air and evaporator sensor Freezer compartment Air sensor and evaporator sensor naa C Resistance value kOhm 6 2 Refrigerator BioFresh compartment Interior light Refrigerator compartment PremiumPlus Wattage approx 3 watts Voltage approx 13 volts DC with LED lighting connected approx 13 volts DC with LED lighting disconnected BioFresh compartment Wattage approx 1 watt Voltage approx 13 volts DC with LED lighting connected approx 13 volts DC with LED lighting disconnected Interior light Wattage 3 watts Premium Voltage approx 10 volts DC with LED lighting connected approx 16 volts DC with LED lighting disconnected Fan Wattage 1 6 watts Voltage 12 volts DC 6V to 15V 6 3 Freez
11. artment air sensor Fig 5 2 4 2 from separating plate Refrigerator compartment air sensor Fig 5 2 4 1 E Fig 5 2 4 2 Page 18 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 5 Evaporator sensor Evaporator sensor Proceed as described under 5 2 1 Disassembling the horizontal separating plate and 5 2 2 Disassembling the vertical separating plate accessing evaporator Unscrew sensor holder Fig 5 2 5 and unclip evaporator sensor Fig 5 2 5 Evaporator sensor 5 2 6 Fan Fan Proceed as described under 5 2 1 Disassembling the horizontal separating plate and 5 2 2 Disassembling the vertical separating plate accessing evaporator Disconnect fan release retaining clamps Fig 5 2 6 1 and use a screwdriver to press the fan from the rubber support at the marked locations Fig 5 2 6 2 Note The direction of installation direction of air current is indicated by an arrow The arrow see Fig 5 2 6 2 has to point in the direction of the compartment liner rear wall of appliance K m Fig 5 2 6 1 Fig 5 2 6 2 Page 19 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 2 Refrigerator compartment lighting in Premium appliances Refrigerator compartment LED lighting Unlock light cover using short screwdriver Fig 5 2 7 1 Undo fastening screws of light housing Fig 5 2 7 2 Unlock and remove connector Fig 5 2 7 3 Unlock LE
12. e cooled by way of a common evaporator The foamed in evaporator is situated behind the rear wall of the liner and is thermally partitioned by an insulated vertical separating plate A d c fan is used for temperature adjustment between refrigerator compartment and BioFresh compartment The fan is integrated in the vertical separating plate If the refrigerator compartment requires refrigeration detection by refrigerator compartment air sensor the fan is switched on The fan takes in warm air from the front and blows it past the evaporator in a downward direction The air that is now cold is conducted past the BioFresh drawers upwards into the refrigerator compartment When it is sufficiently cold in the refrigerator compartment the fan is switched off The compressor continues running and the BioFresh drawers are statically cooled by the falling coldness The compressor continues to run the solenoid valve is at the A setting cooling freezing until such time as the air in the BioFresh compartment is sufficiently cold detection by BioFresh air sensor Freezer compartment The freezer compartment is equipped with a NoFrost rear wall evaporator module fan module air sensor and evaporator sensor Both sensors can be replaced separately The temperature display and the cooling activation deactivation are effected by the air sensor The evaporator sensor serves for the control of the freezer compartment fan and for the defrosting of the evapo
13. er compartment Interior light Wattage approx 4 watts PremiumPlus Voltage approx 6 5 volts DC with LED lighting connected approx 13 volts DC with LED lighting disconnected Fan Wattage 1 9 watts Voltage 230 volts AC Defrost heater Wattage 136 watts Voltage 230 volts AC Temperature fuse Trip temperature 93 C Is faulty after tripping and has to be replaced Page 29 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 7 0 Service menu The service menu may be used only by customer service technicians Ex J X O A k Up Down On Off Superfrost Alarm a N r Allvill oll x IA SuperCool On Off Up Down 7 1 Manual defrosting H Display Operation Display following Testing option operation Info Service menu start Press On Off and H flashes at the same time as the SuperFrost and SuperCool LED Service menu active SuperFrost simultaneously for 3 seconds 1 Actual value itn chacaMhasameatimne Refrigerator compartment 5 C Manual defrost 2 as the SuperFrost and Press SuperFrost N l l SuperCool LED Freezer compartment activated A flashes Manual defrost automatically stopped Manual defrost can be ended prematurely by switching the freezer compartment off and back on again 7 2 Demo mode d0 d1 Display Operation Display following Testing option Info operation Service menu start Press On Off and
14. ght Service menu Compressor Solenoid valve refrigeration circuit Electronic control system Refrigerator compartment Freezer compartment Refrigerator compartment Freezer compartment Refrigerator compartment BioFresh compartment Freezer compartment Refrigerator compartment Freezer compartment Refrigerator compartment Freezer compartment Refrigerator compartment Freezer compartment Refrigerator compartment BioFresh compartment Freezer compartment Present VCC Present Actual value Actual value 4 C to 9 C 16 C to 26 C Not fitted Not fitted Visual and audible Audible Audible Fitted Fitted Automatic Automatic Fitted Only ICBN 3066 Only ICBN 3066 Page 3 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 3 0 Description of the appliance The ICBN is a refrigerator for integrated use with BioFresh and NoFrost freezer compartment The appliance has a compressor The refrigeration control of the refrigerator BioFresh evaporator and freezer evaporator is effected via a bi stable solenoid valve The two evaporators are connected in series see schematic diagram 4 2 4 Therefore the refrigerator compartment can be operated only in conjunction with the freezer compartment However it is possible to operate the freezer compartment on its own Refrigerator and BioFresh compartment Refrigerator compartment and BioFresh compartment ar
15. l the freezer compartment evaporator sensor has reached 8 C or a max defrosting time of 40 minutes has been reached After the end of the heating phase the compressor is switched on with a 5 minute delay If the SuperFrost function is activated during the defrosting phase this will not interrupt defrosting When After the door has been open for 60 seconds Audible 3 beeps SuperFrost On Freezer compartment sets itself to 39 C quantity controlled min 30 hrs max 65 hrs The appliance sets itself for at least 30 hours to 39 C In the following 35 hours after 39 C has been reached or a total time of 65 hours has elapsed SuperFrost ends automatically SuperFrost Off The freezer compartment sets itself to the set value Attention If SuperFrost is actuated during a defrosting phase the SuperFrost function is not performed before the defrosting phase has run Page 10 34 Service Manual No 01 2007 Air sensor Evaporator sensor Door switch Fan Defrost heater Interior light Only ICBN 3066 Position Function Position Function Position Type Contact type Function Position Function Position Function Position Function ICBN 3056 from 21 ICBN 3066 ab 20 Engaged in sensor holder in liner ceiling Freezer compartment air sensor or refrigerator compartment evaporator sensor switches the compressor on BioFresh air sensor and freezer
16. n Lights up as soon as door is opened Is switched off after door has been open for 15 minutes Position Inside left Function Lights up as soon as door is opened Is switched off after door has been open for 15 minutes Page 9 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 4 1 3 Freezer compartment Setting range Display range Temperature alarm Defrosting Door alarm SuperFrost 16 C to 26 C 0 C to 50 C actual value display Values outside the range are indicated by a crossbar Alarm value 4K warmer than set value SuperFrost alarm value 12 C Delay 20 min Visual Flashing temperature display Audible 4 beeps During start up During start up the temperature display flashes until switch off value has been reached the audible alarm is deactivated for example with a set value of 18 C there must be a temperature of 14 C for at least 20 mins then a temperature alarm is issued When the defrosting phase begins the temperature alarm is suppressed for 1 5 hrs The defrosting phase is started During start up after 10 hours cumulative compressor running time After a cumulative compressor running time of 10 to 60 hours maximum depending on the number duration of the door openings When the defrosting phase begins the compressor and the fan are switched off and the defrost heater is switched on The defrost heater remains switched on unti
17. oFresh air sensor with sensor temperature Refrigerator 3 EO flashes alternately Press Up E1 flashes alternately compartment air with sensor temperature with sensor temperature sensor E1 flashes alternately ere E2 flashes alternately py A aieiaa 4 l Press Up i refrigerator with sensor temperature with sensor temperature compartment E2 flashes alternately aie E3 flashes alternately Freezer compartment 5 Press Up s with sensor temperature with sensor temperature air sensor E3 flashes alternately TT E4 flashes alternately Freezer compartment Press Up with sensor temperature with sensor temperature evaporator sensor E4 flashes alternately Press Up E7 flashes alternately AC hiantaineensor with sensor temperature with sensor temperature Door contact freezer E7 flashes alternately Press Up E8 flashes alternately compartment with sensor temperature with 0 or 1 0 door closed 1 door open Door contact refrigerator BioFresh compartment 0 door closed 1 door open E9 flashes alternately E8 flashes alternately Nica x Press Up with o or ka 11 with 0 or 1 End Press On Off twice 8 0 Error code troubleshooting 8 1 Error code table Defective component Emergency operation BioFresh air sensor Compressor 10 minutes ON and 40 minutes OFF Refrigerator compartment air sensor Compressor 10 minutes ON and 40 minutes OFF Ambient temperature of
18. ool Defrosting Door alarm Refrigerator compartment air sensor Evaporator sensor BioFresh air sensor Ambient air sensor Refrigerator compartment 4 C to 9 C BioFresh compartment b1tob9 b1 Coldest setting 0 8K per step 4 C to 49 C actual value display Temperatures equal to and colder than 4 C are displayed with 4 C SuperCool On Refrigerator compartment sets itself for 6 hours to 4 C The BioFresh temperature remains unchanged SuperCool Off The refrigerator compartment sets itself to the set value Automatic if solenoid valve in position B freezer compartment only Automatic during standstill phase of the compressor When After the door has been open for 60 seconds Audible 3 beeps Position Behind vertical separating plate Function Switches the fan on off Generates the display value Position In sensor holder on compartment liner rear wall Function Refrigerator compartment evaporator sensor or freezer compartment air sensor switches the compressor on The solenoid valve is switched to position A cooling freezing Ends defrosting phase Position Under horizontal separating plate clipped into vertical separating plate Function BioFresh air sensor and freezer compartment air sensor switch the compressor off Switches solenoid valve to position B freezer only Position On the power PCB Function Controls the switch off value of the Bio
19. partment sese ee ee ee ee ee ee ee 29 SR GA T eT nlar INN TTT 29 FO OENICE ISU DT 30 Pal WManUAlOGINOSTING VEI rapino a EENE OE ee E EAEE ENEA 30 T gt Demomode dUd ATT 30 TO SCIVICS mode BTT 31 7 4 Sensor test temperature display and door contact test E 32 8 0 Error code troubleshooUng wceceiicdeniccdiccscsvewesscendiveedscsneetacncudtstecctcneducensenaevewcrweussedstemectasnedsosvexs 32 SENO COE Ta uessa a a a ey a eee ae 32 8 2 Troubleshooting VCC compressor Inverter eee eee e ee e e e ee 33 8 2 1 Checking the inverter and the frequency Signal eee eee ee 33 8 2 2 Checking INE GCOMPFESS OF ernieren a a a e a 34 Page 2 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 1 0 Operating and control elements Illl Al v SuperCool On Off Up Down 0 00 Refrigerator BioFresh compartment 1 SuperCool function button lit function switched on On Off button Setting button temperature higher Setting button temperature lower A ON 2 0 Functions at a glance Up Down On Off Superfrost Alarm Al V O A ma ee a 00000 Freezer compartment Setting button temperature higher Setting button temperature lower On Off button SuperFrost function button lit function switched on Alarm Off button for audible alarm CON O co Control Temperature display Temperature range Temperature alarm Door alarm Fan Defrosting Interior li
20. r BioFresh drawer e Draw out separating plate in marked direction no lock Horizontal separating plate Fig 5 2 1 1 5 2 2 Disassembling the vertical separating plate accessing evaporator Disassemble the horizontal separating plate Remove glass shelves Disengage BioFresh air sensor Release fastening screws see Fig 5 2 2 1 of the separating plate Pull out refrigerator compartment air sensor and disconnect fan cable see Fig 5 2 2 2 Fastening screws VA K Fan connector cos Ss Refrigerator BioFresh air sensor Fig 5 2 2 1 Fig 5 2 2 2 Page 17 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 During assembly pay attention that the retaining lugs of the vertical separating plate are slipped into the grooves of the compartment liner for fixing the separating plate at the top Grooves in the compartment liner Fig 5 2 2 3 Fig 5 2 2 4 5 2 3 BioFresh air sensor BioFresh air sensor Proceed as described under 5 2 1 Disassembling the horizontal separating plate and 5 2 2 Disassembling the vertical separating plate accessing evaporator oo a 1 7 TH BioFresh air sensor Ea Fig 5 2 3 5 2 4 Refrigerator compartment air sensor Refrigerator compartment air sensor Proceed as described under 5 2 1 Disassembling the horizontal separating plate and 5 2 2 Disassembling the vertical separating plate accessing evaporator Draw refrigerator comp
21. r compartment air sensor switch on value Note On delay time 8 mins must have elapsed Off BioFresh air sensor switch off value and freezer compartment air sensor switch off value VCC compressor frequency controlled e Compressor with 4 different speeds 1600 1900 3000 3600 rpm e The inverter electronic control is fitted directly on the compressor The inverter electronic control controls the compressor with a pulse width modulated square wave voltage e For speed value input the inverter electronic module receives a square wave frequency signal from the power PCB This frequency signal is output with 56 71 87 100 or 117 Hz depending on the speed at which the compressor is to run Frequency in Hz Speed in rpm 56 CompressorOn Compressor Off a S S O 1600 1900 Regular operation 100 O signal interruption Start up signal other values than the interruption signal fault defined frequencies SuperFrost e Runtime longer than 70 minutes Speed increase by one step during compressor operation e Runtime shorter than 50 minutes Speed reduction on next start up Troubleshooting see section 8 2 Toubleshooting VCC compressor inverter Type Bistable Funcilon Switchover between REFRIGERATOR BIOFRESH COMPARTMENT FREEZER COMPARTMENT to only FREEZER COMPARTMENT Page 7 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 4 1 2 Refrigerator BioFresh compartment Setting range Display range SuperC
22. rator module For defrost water drainage of the refrigerator and freezer compartments an evaporating tray heated by hot gas is installed next to the compressor Page 4 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 3 1 ICBN 3056 Sensor positions schematic diagrams Ambient temperature sensor T E a Bisi rity Oo fix rz ka ot e L F a n G ka r Le lt ra a zi 5 D l L 1 9 L gt 0 Do E L I Rear wall evaporator Ma Air sensor 2 S A HIR Evaporator sensor i L Lamellar evaporator Air sensor RL Evaporator sensor Fig 3 1 1 ICBN 3056 Fig 3 1 2 ICBN 3056 Page 5 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 3 2 ICBN 3066 Sensor positions schematic diagrams Ambient temperature sensor Fan Rear wall evaporator foamed in Air sensor Evaporator sensor Freezer compartment liahtina IceMaker Fan Lamellar evaporator Air sensor Evaporator sensor Fig 3 2 1 ICBN 3066 Fig 3 2 2 ICBN 3066 Page 6 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 4 0 Main components and their functions 4 1 Electrical components and functions 4 1 1 General Type Series 6 electronic control system Components Control panel and power PCB Type VCC compressor frequency controlled Function On Refrigerator compartment evaporator sensor switch on value or freeze
23. ssor Compressor VCC compressor frequency controlled Solenoid valve Solenoid valve Bistable 4 2 2 Refrigerator compartment Design Rear wall evaporator Type of installation Foamed in Injection point Top centre Flow sequence See 4 2 4 Operating principle of refrigerating system 4 2 3 Freezer compartment Evaporator Design Lamellar evaporator Type of installation Free standing between air duct cover and compartment liner Injection point Top right on lamellar evaporator Flow sequence See 4 2 4 Principle of operation of the refrigerating system 4 2 4 Principle of operation of the refrigerating system Condenser Refrigerator BioFresh ompartment evaporator PARERIGRRIeeee B81818181888898 HGR6ES95HR RL oe mag 9 R EW 8 a RS 88 88899818 Freezer compartment x evaporator Solenoid valve Compressor Fig 4 2 4 Page 12 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 5 0 Assembly instructions replacement of parts 5 1 General 5 1 1 Electronic control system Covers Disengage covers at the marked points Fig 5 1 1 1 PCB carrier Draw out front casing in a forward direction and uncover the cables Fig 5 1 1 1 2 Page 13 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 Front panel Release marked locks and remove front panel PCB mount Release marked locks and remove PCB mount T NJ UU U 1 UUU uuuuUuuuuu u Fig 5 1
24. ting system eee eee eee eee ee eee 12 5 0 Assembly instructions replacement Of parts csssssss sese sese sese sese sese sees eee 12 By eT 13 S1 Becton COMUOI TTT 13 SUZ GOSTO ria a a a aa 15 s OOlENOId valve remgeraton se TO 16 5 2 Refrigerator COmpartment sse eee ee ee ee eee 17 5 2 1 Disassembling the horizontal Separating late sse eee eee eee 17 5 2 2 Disassembling the vertical separating plate ACCESSING evaporator eee eee eee eee eee 17 O23 DIOFLESI AIS OM SON ET 18 5 2 4 Refrigerator compartment air Sengar eee ee ee eee ee e eee eee 18 329 Evapora SONS Or a L E A A L A A R sucess 19 EO UO TTT TTT 19 5 2 7 Refrigerator compartment lighting in Premium appliances sse eee eee eee eee eee eee 20 5 2 8 Refrigerator compartment light column in PremiUMPIUS APPliANCeS cccccsseeeeeceeeeeeeeeeeeeeeeeeeeens 21 5 2 9 BioFresh lighting in PreMiUMPIUS Geraten cccccccccssssseeeeeeeeeceaeeseeeeeeeseeeeeeeeeeeeessuaeaeeeeeeeessaeeeeess 22 2310 DIOL Leo SIRI eT 23 R LDO IVAC ING TT 23 5 2 12 Support rails for sectioned glass shelves cesses eee eee 24 99 Freezer saler Ta enl 25 5 3 1 Air sensor evaporator module and fan module sees eee 25 5 3 2 Temperature fuse evaporator sensor and defrost heater eee eee eee 26 Oro WO Famand Toed PO arena ee a ae Re ne ee ene eee eee ee 27 5 3 4 Only ICBN 3066 double solenoid valve IC Make r esse eee 28 00 FECMMICAl Cate EHH THT 29 Gl ene 29 6 2 Refrigerator BioFresh com
25. tion connector or power PCB Is the compressor running Presumably operator error gt yes Check speed increase Pull off frequency signal connector lilac from the inverter wait 90 secs Is the compressor runnina Power PCB or inverter fault y i Replace inverter electronic module If the compressor still does not run replace the compressor Then replace the inverter again Page 34 34
26. tion of the last button a beep sounds Service mode testing electric loads Compressor low speed solenoid valve at setting B LO shines Press Up L1 shines Compressor high speed solenoid valve at setting A L2 shines Press Up L3 shines Freezer compartment fan On TE arii A Freezer compartment 10 L4 shines Press Up L5 shines Light On L1 shines Press Up L2 shines Refrigerator BioFresh k k L5 shines Press Up L7 shines compartment fan low speed Refrigerator BioFresh L7 shines Press Up L8 shines compartment fan high speed nd Press On Off N rn Page 31 34 Service Manual No 01 2007 ICBN 3056 from 21 ICBN 3066 ab 20 7 4 Sensor test temperature display and door contact test E Display Operation Display following Testing option Info operation Service menu start Press On Off and SuperFrost simultaneously for 3 and SuperCool LED seconds H flashes at the same Actual value time as the SuperFrost Service menu active Sensor test and door contact test sensor values without offset appliance in service mode H flashes at the same E flashes at the same 1 time as the SuperFrost Press Up three times time as SuperFrost and and SuperCool LED SuperCool LED flashes at the same 2 time as SuperFrost and Press SuperFrost SuperCool LED Sensor test mode selected EO flashes alternately Bi
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