Service Documentation
Contents
1. Electronic power module Disengage the locking hooks at the holder for capacitors Disengage electronic power module at the marked locations Fig 5 1 2 6 5 mE Fig 5 1 2 5 Page 11 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 He ee ET oY Fig 5 1 2 6 Page 12 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 5 1 3 Bottom door hinge Turn hinge cover Disengage the cover in the marked direction and draw it forwards for removal Fig 5 1 3 1 Bearing pin Retract the adjustable foot and press the bearing pin downwards Then swing out the door at the bottom and draw it out of the upper bearing pin Fig 5 1 3 2 Notch has to point forwards for re assembly Fig 5 1 3 1 Turn hinge cover Fig 5 1 3 2 Bearing pin Spring clip Depress the holder and remove the spring clip Has to be transferred to the opposite side if the door hinges are changed Fig 5 1 3 3 Bottom bearing part Bottom bearing part has to be transferred if the door hinges are changed Fig 5 1 3 4 Slot Screw can be transferred to slot for better door adjustment Fig 5 1 3 4 Spring clip A Bottom Abb 5 1 3 3 Spring clip Fig 5 1 3 4 Page 13 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 5 1 4 Door magnet reed contact Magnet holder The holder of the door magnet is located on the top edge of the door and can be levered off s Magnet2. Fig 5 1 4 1 Door magnet magnet holder Reed contact The reed contact is in the front housing Fig 5 1 4 2 Reed contact Page 14 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 5 2 Freezer compartment 5 2 1 Disengaging the parts locking the evaporator module folding down the evaporator module Fig 5 2 1 1 Evaporator module Locking parts Are snapped into place at the right and left for locking the evaporator module Transit support Remove adhesive tape securing the top polystyrene moulding in transit is no longer needed for assembly Top polystyrene moulding Lift off the polystyrene moulding first at the front then at the back Draw the top polystyrene moulding forwards for removal Fig 5 2 1 2 Remove locking part Fig 5 2 1 3 Remove adhesive tape Page 15 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 5 2 2 Evaporator sensor Evaporator module Dismantle evaporator module as described under 5 2 1 Disengaging the parts locking the evaporator module Evaporator sensor Is slipped inbetween the lamellas and in case of defect it has to be cut off and repaired with the repair kit Art No 9590 062 Temperature fuse a Fig 5 2 2 1 Evaporator module folded down 5 2 3 Air sensor Evaporator module Dismantle evaporator module as described under 5 2 1 Disengaging the parts locking the evaporator module Front polystyrene moulding Is situated behind the
3. Mdiamuaveisiestahaladtes 19 7 2 Manual GEINOStING 15 C LED ieaie a a a ol anaaneidieach 20 7 0 Demo mode 25 O LED searen aa E OA desis nectanedendaneccs 20 Via PanelteSe A18 C VED enes aaend aaueaeees 21 7 9 OelVICE Mode 21 C LED aneren a a a aa 21 8 0 Error COGe troubleshooting sinenion anaE e aa aaa aaa aaa 22 Gell PADIS OM eror CodeS esaa ede A E a A reel acuatawSdaeantuee 22 Page 2 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 1 0 Operating and control elements On Off Up Down SuperFrost Alarm aa Freezer compartment ON OFF ON OFF button Up Down Setting button higher lower temperature Temperature display SuperFrost SuperFrost function Alarm Alarm OFF button for audible alarm oh ON 2 0 Functions at a glance Control Electronic control system Temperature display Set value Temperature range 15 18 C 21 C 25 C 32 C Temperature alarm Visual and audible Door alarm Audible Fan Fitted Defrosting Automatic Interior light Not fitted Service menu Fitted Compressor Standard Solenoid valve S Not fitted refrigeration circuit Page 3 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 3 0 Description of the appliance The GN 13 is a NoFrost freezer with a series 3 control system with setpoint display The appliance has a lamellar evaporator with fan and integrated defrost heater Two sensors an air sensor and an evaporator sensor se
4. No 06 2008 6 0 Technical data 6 1 General Sensor values GN 19 3 23 3 27 3 30 3 from 20 Air and evaporator sensor a C Resistance value kOhm 6 2 Freezer compartment Fan GN 13 Fan GN 23 Defrost heater Temperature fuse Wattage Voltage Speed Direction of rotation Wattage Voltage Speed Direction of rotation Wattage Voltage Tripping temperature 4 5 watts 230 volts 2500 rpm right as viewed onto shaft left as viewed in the direction of the evaporator module 1 9 watts 230 volts 2500 rpm right as viewed onto shaft left as viewed in the direction of the evaporator module 259 watts 230 volts 93 C Page 18 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 7 0 Service menu The service menu may be used by service technicians only On Off Up Down o l i Activation of service menu Appliance has to be switched ON Press Up Down ON OFF simultaneously for about 5 seconds SuperFrost Alarm Once the service menu is activated the SuperFrost LED flashes Service menu 15 C LED Manual defrosting activation of the defrost heater 18 C LED Panel test Test of controls and displays 21 C LED Service mode Addressing electric loads 25 C LED Demo mode Appliance is switched ON without refrigeration 32 C LED No function 7 1 Brief survey of service menu Opera Selection of functional part Service menu tion Defro
5. 2 all button LEDs ON the other appliance switches OFF seconds only if the each operation is test has been successful Door open closed confirmed by beep Panel test cannot be ended in step 2 for example it has to be performed in full Should a button sensor be defective there will be no 2 second beep and the appliance will not switch OFF The appliance then has to be unplugged and plugged back in again 7 5 Service mode 21 C LED Display Operation Display following Testing option Info operation Service menu start SF SuperFrost Press Up and ON OFF 15 C LED static simultaneously for 5 SuperFrost LED flashes seconds Set value Service menu active Service mode testing electric loads Power input 15 C LED static Press Up Down 21 C LED static es ae LED flashes three times SuperFrost LED flashes e Moueecee ee i l All temperature LEDs 21 C LED static precs ISF onc OFF SuperFrost LED A mode activated All flashes fast All temperature LEDs ii i Press Up Down 15 C LED and se a R once SuperFrost LED flash Compressor ON o 15 C LED 18 C LED 15 C LED and Press Up Down i SuperFrost LED flash once e ala si room Waste 15 C LED 18 C LED and SuperFrost LED SuperFrost LED flashes Press Up Down 21 C LED and once SuperFrost LED flash End Press ON OFF twice Return to normal control mode Page 21 22 Defrost heater ON 259 watts Service Manual N
6. LIEBHERR Service Documentation Service Manual No 06 2008 LHG KDT Ne 07 04 08 Appliance Documentation GN 9 3 from Index 20 Comfort GN 23 3 from Index 20 Comfort GN 2 3 from Index 20 Comfort GN 30 3 from Index 20 Comfort NoFrost freezer a GN 1913 lt lt GN 2313 Page 1 22 06200800SM_gb doc Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 Contents 1 0 Operating and control elements ccceeeeeseeeeneeceneeeeneeseassecenseeeneeeeasesoanseoessesensesonsesoaneses 3 2 0 FUNRCIONS Al a OIANCE sssaaa A a aa aaia aaa pa a aa aaa 3 3 0 Description of the appliance sassnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 4 3 1 Sensor positions schematic di graMSisescniontiii na a e a ni 4 4 0 Main components and their fUNCTIONS cccssseeeeeneeeenneeeeeseeseeseeseenseeeeeneeeeeneesoensessonsessones 5 4 1 Electrical components and FUNCTIONS cccccccsseecceseeceececeesecceecccsueeceeecsusecsueeeseneesseeessueessuessaas 5 All Generalia a A E N NA 5 Ale Freezer compamMme NM xtererecctevinasntelancheatatetsveladieastetedsniedsesaneietinelevigensteretealaiatidi levies eladieniindotiuaass 6 4 2 Refrigeration components and FUNCTIONS cccccceeccceseeceeeecceeecceeecceueecsucecsusecseeesseeessueessesenees 8 AZ WG ic Ree ae CS Se oe Sn a 8 4 2 2 Frezer compartment dius citeavsja assed inten ss June uy sua oa ulada
7. e Display range Temperature alarm Defrosting Door alarm SuperFrost Air sensor Evaporator sensor 157 18 C 21 C 25 C 32 C 15 C 18 C 21 C 25 C 32 C Alarm value 4K warmer than set value Warmest alarm value 10 C Coldest alarm value 20 C Delay 20 minutes Visual Flashing alarm LED Audible 4 beeps suppressed during start up The defrosting phase is initiated During start up after 3 hours cumulative compressor running time After a cumulative compressor running time of 3 to 60 hours maximum depending on the number duration of the door openings As the defrosting phase begins the compressor and fan are switched OFF and the defrost heater is switched ON The defrost heater remains switched ON until such time as the freezer evaporator sensor has reached 22 C or a max defrosting time of 50 minutes has been reached After the end of the heating phase the compressor is switched ON with a 10 minute delay Fan ON from 25 C If the SuperFrost function is activated during the defrosting phase this will not interrupt defrosting When If door is open after 60 seconds Audible 3 beeps SuperFrost activated Cooling of the freezer compartment with full refrigeration performance time controlled 65 hours SuperFrost deactivated The appliance sets itself to the set value Position Behind the front panel of the evaporator module Fu
8. e to the control and automatic defrosting A safety temperature limiter protects the appliance against excessively high temperatures during the defrosting phase 3 1 Sensor positions schematic diagrams Fan y Evaporator sensor Air sensor Fig 3 1 1 Page 4 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 4 0 Main components and their functions 4 1 Electrical components and functions 4 1 1 General Type Series 3 electronic control system Components Control panel electronics Power module electronics Type Standard Function ON Air sensor switch on value Note On delay time 8 minutes must have elapsed OFF Air sensor switch off value or during defrosting Door switch Position In front panel Type Reed contact Contact type Make contact Function Activation via magnet on the door magnet is replaceable Switching signal when door closed fan ON door open fan OFF door alarm ON after 60 seconds Fan Position In the evaporator module at the back centre Function sensor value Switch on value value value e g If the evaporator sensor has reached the switch on value for the fan and the compressor is ON and the door is closed then the fan is ON Switch on value evaporator sensor a during start up 25 C b In the normal mode 2K colder than air sensor Page 5 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 4 1 2 Freezer compartment Setting rang
9. front panel of the evaporator module Acts as an air seal of the air sensor in the direction of the lamellar evaporator Air sensor Is engaged behind the front panel of the evaporator module and in case of defect it has to be cut off and repaired with the repair kit Art No 9590 062 Fig 5 2 3 1 Removal of the polystyrene Fig 5 2 3 2 Air sensor Page 16 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 5 2 4 Temperature fuse Evaporator module Temperature fuse 5 2 5 Fan Evaporator module Safety plate Fan Fan blade Fan Rubber mount Fig 5 2 5 1 Safety plate fan Fig 5 2 5 2 Dismantling fan blade Dismantle the evaporator module as described under 5 2 1 Disengaging the parts locking the evaporator module Fastened by a screw see Fig 5 2 2 1 Evaporator module folded down Please note in case of replacement Cut off only at the coloured wires not heater wire Fix the wires in such a way that they do not touch the heater Dismantle evaporator module as described under 5 2 1 Disengaging the parts locking the evaporator module Lift out of the guide Safety plate is used for support in transit to prevent the fan from becoming detached Press the fan blade off the fan shaft using your thumbs Swing the fan out of the seat Take care As the fan is swung out the lower clip of the fan housing may get caught in the rubber mount and break Page 17 22 Service Manual
10. nction Switches the compressor ON OFF Position Slipped into the lamellar evaporator Function Ends the defrosting phase Switches the fan ON OFF Page 6 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 Fan Position In the evaporator module at the back centre Function Evaporator Compressor sensor i eo value Switch on ee CLOSED Switch on ON OFF OPEN value Switch off ae ON OFF CLOSED OPEN OFF e g If the evaporator sensor has reached the switch on value for the fan and the compressor is ON and the door is closed then the fan is ON Switch on value evaporator sensor a during start up 25 C b In the normal mode 2K colder than air sensor Defrost heater Position Clipped into lamellar evaporator Function Control via electronic system Defrost heater ON Depending on the number and duration of door openings the electronic system calculates the defrost cycles between 3 60 hours cumulative compressor running time Upon start up after 3 hours cumulative compressor running time Defrost heater OFF When the evaporator sensor has reached 22 C When max time of 50 minutes is exceeded Heater cannot be replaced only complete evaporator module Page 7 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 4 2 Refrigeration components and functions 4 2 1 General Compressor Standard Position Foamed in in the housing in the region of the magnetic doo
11. nieaxs aan bsasoni dana ohana sama euler cdvaligans boa dan Yeaveiadoensumebces 8 5 0 Assembly instructions replacement Of Parts cccccceeseeseeseeeeseeeeseeeeseesesseeeeseeeeseeoeaeeseaeenees 9 et General y tas ica a a a see seawed eae Mm venmmanmednnaee Guanes 9 Olid JEICCIFONIC COMUOMSY SICMN sase a N E a alates 9 5 1 2 Electroni power Modula eriin a a a eee ee nae 10 Do Bottom door NINGS uia a a a aa is ce 13 54 Doo magnet Tecd Cona Chean a a o e a 14 SL RNC OZOR Companen osan E E mameudin Siealig ania deuawetadeuitiea 15 5 2 1 Disengaging the parts locking the evaporator module folding down the evaporator module 15 DiZ 2 EVADOFalOl SCMS Ol ancwarcerasacnteiarvucie sais ant tidawdinndraSatecans vere weadaidonadeabal enced a a 16 Sas Nay Bato Lo anur een ne ae nee eee oe ee nee ee 16 eZ Toompere 10S Cs acce sect ccanetnsaginzs vanimostausecnantaninoariatmeaaicenicasasotGeinareaecannsmnieo yamaha onan emtonrseatotansanaae 17 Bg Ua eoa ssh eStats re eats carver oh naa aa actuate tase ncaa cane acces Neat IGaG anes ai a eae 17 00 CUMIN Gea asain ected a ale oe neds ae ana eee lead naked 18 Sa li 1 5 fs ane eet I rs eg re eee eee are ee oe 18 6 2 Freezer COMPAMMC IME rceinctei ts cestainstatediacetivemsrareiateeinaiy hav AT E metemeeiaevidlaceitateiatedananneds 18 TO lt SOFV ICS MENU disas aan aE A O 19 Tet BrerS Uvey OF SCFVICE MCN excisincdtiaccuieitatel daialeddnnrtistenieetriunastabuaneiwatubidaviniie
12. o 06 2008 GN 19 3 23 3 27 3 30 3 from 20 8 0 Error code troubleshooting 8 1 Table of error codes Defective component Emergency mode 15 C 18 C 21 C LED flash in synchronism with _ Freezer compartment air sensor SF LED 15 C 25 C LED flash in synchronism with SF LED Continuous compressor operation Continuous fan operation Freezer compartment Continuous compressor operation evaporator sensor Continuous fan operation Page 22 22
13. r seal 4 2 2 Freezer compartment Type of design Lamellar evaporator Type of installation In evaporator module on appliance ceiling Injection point Front centre Flow sequence Front to back Page 8 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 5 0 Assembly instructions replacement of parts 5 1 General 5 1 1 Electronic control system Covers Remove using screwdriver Fig 5 1 1 1 Cover left fastening screw Fig 5 1 1 2 Cover right fastening screw Front panel Undo screws of front panel Fig 5 1 1 5 PCB carrier in front panel Page 9 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 Electronic control system Disengage electronic module from PCB carrier Fig 5 1 1 6 PCB carrier and electronic module 5 1 2 Electronic power module Attention Pull out the power plug Electronic power module cover Disengage marked retaining clips Swing out the cover at the bottom and lift for removal Fig 5 1 2 1 Cable clip Disengage the cable clip transparent plastic clip at the marked location Fig 5 1 2 2 Page 10 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 Detach front PCB edge connector Release strain relief of supply cable Disengage plug in module at the right and left clip and draw it forwards for removal J train relief Fig 5 1 2 3 Plug in module Detach rear PCB edge connector Fig 5 1 2 4
14. sting activated Manual defrosting 15 C LED 15 C LED and 32 C LED flash alternately with SuperFrost LED Demo mode 25 C LED flashes fast Panel test LEDs OFF All OFF 15 C LED Compressor ON Service mode 15 C LED 18 C LED Fan ON 21 C LED Defrost heater ON Page 19 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 7 2 Manual defrosting 15 C LED Display Operation Display following Testing option Info operation Service menu start SF SuperFrost Press Up Down and Set value ON OFF simultaneously for 5 seconds Servicemenu active Manual defrosting selected 15 C LED static SuperFrost LED flashes Manual defrosting activation of the defrost heater 15 C LED 32 C LED Press SF flash alternately with SF LED 15 C LED static Manual defrosting SuperFrost LED flashes activated Appliance switch OFF or automatic when defrost parameters reached During manual defrosting the 15 C LED and 32 C LED always flash alternately with the SuperFrost LED The setpoint value can be set and and is also displayed then return to manual defrosting display 7 3 Demo mode 25 C LED Display Operation Display following Testing option Info operation Start service SF SuperFrost Press Up Down and A 1 Set value ON OFF 15 C LED static Service menu active simultaneously for 5 SuperFrost LED flashes seconds Demo mode ON 15 C LED s
15. tatic i 25 C LED static Demo mode oe LED flashes Press Up Down once SuperFrost LED flashes _ geleceted 25 C LED static Wat Setpoint 3 SuperFrost LED flashes Press SF once 18 C LED Demo mode ON Demo mode OFF 25 C LED fast flash 18 C LED lights up briefly SuperFrost LED flashes then temperature display is dark until set temperature is reached Demo mode OFF Press SF once If the appliance is switched OFF and ON again when the demo mode is activated all the temperature LEDs are lit for 3 seconds as indication of the activated demo mode Demo mode can be deactivated only via service menu not by OFF ON or disconnection from the supply Page 20 22 Service Manual No 06 2008 GN 19 3 23 3 27 3 30 3 from 20 Panel test 18 C LED Display Operation Display following Testing option Info operation Service menu start SF SuperFrost Press Up Down and Set value ON OFF simultaneously for 5 seconds 15 C LED static SuperFrost LED flashes vice menu active Panel test test of sensor buttons display elements door sensor and beep 15 C LED static i PT 18 C LED static oe LED flashes se PONGE SuperFrost LED flashes PANEER RERIG 18 C LED static warn All temperature LEDs ON Panel test a o LED flashes mee oP One all button LEDs ON After the last button and has been pressed a All temperature LEDs ON ipress all buttons one after Beep for 2 sec beep sounds for
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