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PUB # 31-9079

12/01

MODEL SERIES:

     ZIC36ON

TECHNICAL SERVICE GUIDE

GE Consumer Home Services Training

Monogram BMNF Refrigerators with

Electronic Controls

GEA01198

Summary of Contents for ZIC36ON Series

Page 1: ...g PUB 31 9079 12 01 MODEL SERIES ZIC36ON TECHNICAL SERVICE GUIDE GE Consumer Home ServicesTraining Monogram BMNF Refrigerators with Electronic Controls GEA01198 ...

Page 2: ...personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and prope...

Page 3: ... Evaporator Fan 15 Condenser Fan 18 Drain Pan Fan 19 DEFROST SYSTEM 19 Adaptive Defrost 19 Normal Operating Characteristics 20 Abnormal Operating Characteristics 20 Liner Protection Mode 20 Defrost Heater 21 Evaporator Thermistor 21 Defrost Overtemperature Thermostat 21 CONTROL SYSTEM 22 Touch Panel and Temperature Control Board 22 Main Control Board 23 Main Control Board Locator Tables 26 Thermis...

Page 4: ... 2 Table of Contents cont Condenser Loop 33 Dryer 34 Evaporator 34 Auxiliary Lines 35 Refrigerant Charge 35 DIAGNOSTIC MODE 36 DIAGNOSTIC FLOWCHARTS 37 PARTS LIST 47 WARRANTY 57 ...

Page 5: ...l Rating 115V AC 60 Hz 9 0 amp Maximum Current Leakage 0 50 mA Maximum Ground Path Resistance 0 14 Ohms Energy Consumption 571 KWhr yr ELECTRICAL SPECIFICATIONS NO LOAD PERFORMANCE CONTROL POSITION 37 0 F and AMBIENT TEMPERATURE OF 70 F 90 F Fresh Food F 36 42 34 40 Frozen Food F 3 3 3 3 Percent Running Time 25 37 45 57 REFRIGERATION DIAGNOSIS To access the low pressure side of the system install ...

Page 6: ...ehind the grille panel at the top of the unit It is taped to the left side wall of the machine compartment When done return the mini manual to its original location for future use MODEL NOMENCLATURE Brand Product Z Monogram Style I Built In Configuration C Bottom Mount Color S Stainless Blank Trim Model Size 360 36 Inches Wide Engineering A Initial Design B 1st Revision C 2nd Revision D 3rd Revisi...

Page 7: ...H R H S H T H V H Z 6 0 0 2 L A L D L F L G L H L L L M L R L S L T L V L Z 7 0 0 2 M A M D M F M G M H M L M M M R M S M T M V M Z 8 0 0 2 R A R D R F R G R H R L R M R R R S R T R V R Z 9 0 0 2 S A S D D F S G S H S L S M S R S S S T S V S Z 0 1 0 2 S A S D D F S G S H S L S M S R S S S T S V S Z 1 1 0 2 T A T D T F T G T H T L T M T R T S T T T V T Z 2 1 0 2 V A V D V F V G V H V L V M V R V S ...

Page 8: ...OR VIEWS Figure 1 Machine Compartment Side View Compressor Dryer Condenser Fan Run Capacitor Capillary Figure 2 Evaporator Evaporator Defrost Heater Defrost Overtemperature Thermostat Accumulator Evaporator Thermistor Woodpecker Clip ...

Page 9: ...TCR Relay Overload PTCR Relay Capacitor Figure 4 Machine Compartment Front View Evaporator Fan Motor Evaporator Fan Connector Figure 5 Evaporator Fan Main Control Board Cover Sabbath Switch Water Filter Water Valve Relay Overload Cover ...

Page 10: ...rtment P0003376 Freezer Drawer Switch Icemaker Freezer Thermistor Figure 6 Freezer Compartment P0003329 Fresh Food Thermistors Temperature Touch Panel Sabbath Switch Door Switch Damper Air Duct Cold Air Outlets Main Control Board ...

Page 11: ...system and components Caution Avoid kinking the refrigeration lines when sliding the chassis out and back in To extend the chassis 1 Raise the grille panel to stop position 2 Remove the wire guard and rocker switch panel 3 Disconnect the door closure mechanism spring from the pin and remove the pin by turning it counterclockwise 4 Remove 3 screws securing the water filter mounting bracket 5 Remove...

Page 12: ...the door is opened beyond 90 degrees the closure mechanism pulls the door open until the closure arm engages the door stop at approximately 130 degrees The reverse action occurs when the door is closed Note The door closure mechanism and the top door hinge are held by the same bolts Take the necessary precautions to secure the fresh food door when the door closure mechanism is being removed The ac...

Page 13: ...sm see previous procedure 4 Remove the upper hinge 5 Remove tape and lift the door off center hinge 6 Remove 4 T 27 Torx screws and center hinge Freezer Drawer 1 Loosen 4 screws connecting each side of the freezer door to the slide support assemblies 2 Lift door up and out to remove Door and Drawer Gaskets The fresh food door and freezer drawer have magnetic gaskets that create a positive seal to ...

Page 14: ... back wall of the freezer also serves as an icemaker interlock or kill switch It will open the circuit to the icemaker any time the freezer drawer is open To service the icemaker refer to GE Publication 31 9063 Water Valve and Water Line The water valve is mounted to the side of the water filter bracket in the machine compartment A plastic water line is routed from under the unit up the back of th...

Page 15: ...ater Valve to the Fill Tube Grommet Note Some water may leak from the water supply line and valve when they are disconnected 1 Shut off the water supply to the freezer 2 Remove the unit from its installation 3 Remove 14 1 4 in screws and the metal access cover 4 Disconnect the water line at the quick connector by pushing in the white collar on the quick connector while pulling the water line out 5...

Page 16: ...trolled by the main control board and when open allows the evaporator fan to push chilled air from the evaporator into the fresh food compartment To remove the damper 1 Remove the light cover 2 Remove 8 Phillips screws and the light assembly 3 Disconnect the damper wiring 4 Remove 2 Phillips screws and the damper P0003387 Screws Screws Light Assembly P0003380 Screws Damper ...

Page 17: ...ckChill Thermistor Pin 6 QuickChill Fan Pin 7 Fan 12V Pin 8 FF1 Thermistor J1 Pin 1 FF2 Thermistor Pin 2 FZ Thermistor Pin 3 Evaporator Thermistor Pin 4 5V Pin 5 Personality Input 1 Pin 6 Personality Input 2 Pin 7 Personality Input 3 Pin 8 Personality Input 4 Pin 9 Damper Blue J3 Pin 1 Damper White Pin 2 Damper Red Pin 3 Damper Yellow Pin 4 FF Encoder Select Pin 5 Comm Tx Rx J4 Pin 1 Comm 12V Pin ...

Page 18: ...d will be selected and maintained by the control board regulating the length and frequency of the 12 6 VDC pulse One complete revolution of the motor is comprised of all 4 poles To determine the rpm of the fan Measure the frequency being applied to the motor Multiply this number by 15 60 seconds divided by 4 poles For example a frequency measurement of 200 Hz multiplied by 15 would show a fan spee...

Page 19: ...er for internal controller b Yellow to white power for fan Observe circuit polarity Motors can be run for short periods using a 9 volt battery Connect the white wire to the negative battery terminal only Connect the red and yellow wires to the positive battery terminal GEA01196 Pin 1 J8 Compressor Pin 1 J9 Defrost Heater Pin 1 J11 Line Evaporator Fan Tach J2 Pin 1 Personality Input 5 Pin 2 Fan Com...

Page 20: ...r on the main control board is burnt you must replace the fan and the board see photo page 15 The condenser fan is mounted with screws to a fan shroud and mounting bracket in back of the condenser To remove the fan 1 Extend the machine compartment chassis see Machine Compartment 2 Disconnect the condenser fan wiring at the harness connector 3 Remove 4 screws and fan assembly 4 Remove fan blade 2 s...

Page 21: ...t defrost cycle Adaptive Defrost is divided into 5 separate cycles Those operations are Cooling Operation Pre Chill Operation Defrost Heater Operation Dwell Period Post Dwell See Pub 31 9062 for more information on Adaptive Defrost Adaptive Defrost Cooling Operation During the cooling operation the main control board monitors door opening fresh food door and freezer drawer and compressor run times...

Page 22: ...st 10 minutes or until the evaporator temperature reaches 30 F on these models Normal Operating Characteristics That Are Different from Previous Models Evaporator fan running without compressor or condenser fan Post Dwell Adaptive Defrost compressor and condenser fan on with evaporator fan off after defrost cycle Liner Protection Mode fan comes on when the doors are open for 3 minutes Different so...

Page 23: ...r Thermistor The evaporator thermistor is mounted on the upper left side of the evaporator The defrost cycle will terminate when the main control board detects 45 F from the evaporator thermistor The main control board must sense 45 F in less than 40 minutes or the defrost cycle will time out Average time to defrost is 20 minutes Defrost time should not exceed 40 minutes Defrost time does not incl...

Page 24: ...nication results in erratic control To remove the temperature control assembly 1 Remove the light cover 2 Remove 8 Phillips screws and the light assembly Note Temperature control assembly is mounted on 3 slotted fasteners Fasteners do not need to be loosened or removed 3 Carefully cut RTV seal between temperature control assembly and cabinet 4 Slide the temperature control assembly back to release...

Page 25: ...n 1 Damper White Pin 2 Damper Red Pin 3 Damper Yellow Pin 4 FF Encoder Select Pin 5 Comm Tx Rx J4 Pin 1 Comm 12V Pin 2 Comm Common Pin 3 Discrete Disp Input 1 Pin 4 Discrete Disp Input 2 Pin 5 FZ Encoder Select Pin 6 Encoder Signal Pin 7 Encoder Signal Pin 8 Encoder Signal Pin 9 Encoder Signal Pin 10 Pin 1 J12 Monogram Drain Pan Heater Pin 9 J7 Neutral Pin 8 NIC Pin 7 FZ Door Switch Pin 6 FF Door ...

Page 26: ... 4 C D V s p o r d e r u t a r e p m e t n e h w C T N s i r o t s i m r e h T e u l a v r o t s i m r e h t r o t a r o p a v e f o k c a b d e e F d e s u s i e u l a v r o t s i m r e h t s i h T n o i t c u d e r e g a t l o v n r u t e r g n i s u a c s e s a e r c n i e u l a v e c n a t s i s e r n e h w f f o d n a e u l a v t s o r f e d w o l e b s i e r u t a r e p m e t n e h w t s o r...

Page 27: ...n i r o o d e m o s d n a s n o i t a l u c l a c m r a l a r o o d s n o i t a l u c l a c r o o d t c u d d n a t h g i l r e s n e p s i d r o f d e s s e r p e d h c t i w s n o i t i s o p d e s o l c r o o d n i d e s o l c e z i g r e n e o t t e n g a m 7 J 9 C A V n i l a r t u e n C A S N O I T I N I F E D N I P D R A O B L O R T N O C R O T C E N N O C N I P T U P N I T U P T U O N O I ...

Page 28: ...t u p t u O C D V 5 3 n i p 4 J o t 5 n i p 1 J d r a o B l o r t n o C n i a M e d i S C D e g a t l o V w o L r o t c e n n o C 2 J n i P r o l o C e r i W t n e n o p m o C n o i t a n i m r e T t u p n I t u p t u O g n i d a e R e g a t l o V n i P o t n i P 1 e u l B n a f r o t a r o p a v E r e t e m o h c a t t u p n I C D V 3 6 3 n i p o t 1 n i p 2 J 3 e t i h W n o m m o c n a F n o m ...

Page 29: ...a t l o V g n i l e v a r T 2 e t i h W r o t o M r e p p e t S r e p m a D 3 n i p 4 J o t 2 n i p 3 J C D V 3 2 e g a t l o V g n i d n a t S C D V 0 6 e g a t l o V g n i l e v a r T 3 d e R r o t o M r e p p e t S r e p m a D 3 n i p 4 J o t 3 n i p 3 J C D V 3 2 e g a t l o V g n i d n a t S C D V 0 6 e g a t l o V g n i l e v a r T 4 w o l l e Y r o t o M r e p p e t S r e p m a D 3 n i p 4 ...

Page 30: ... g n i d a e R e g a t l o V n i P o t n i P 6 e u l B r o o d d o o f h s e r F h c t i w s t h g i l t u p n I 0 2 1 9 n i p 7 J o t 6 n i p 7 J n e p o r o o d F F C A V 7 w o l l e Y t h g i l r o o d r e z e e r F h c t i w s t u p n I 0 2 1 9 n i p 7 J o t 7 n i p 7 J n e p o r o o d Z F C A V 9 e g n a r O l a r t u e N l a r t u e N l a r t u e N 1 1 J 9 J 8 J d r a o B l o r t n o C n i a...

Page 31: ... W r o t o M r e p p e t S r e p m a D 3 n i p 4 J o t 2 n i p 3 J C D V 3 2 e g a t l o V g n i d n a t S C D V 0 6 e g a t l o V g n i l e v a r T 3 d e R r o t o M r e p p e t S r e p m a D 3 n i p 4 J o t 3 n i p 3 J C D V 3 2 e g a t l o V g n i d n a t S C D V 0 6 e g a t l o V g n i l e v a r T 4 w o l l e Y r o t o M r e p p e t S r e p m a D 3 n i p 4 J o t 4 n i p 3 J C D V 3 2 e g a t l...

Page 32: ...0 1 0 5 k 0 1 Ω 0 2 8 6 k 2 6 Ω 0 3 6 8 k 4 Ω 0 4 4 0 1 k 6 2 Ω 0 5 2 2 1 k 8 1 Ω 0 6 0 4 1 k 2 1 Ω t r a h C t n i o P t e S e r u t a r e p m e T d o o F h s e r F l o r t n o C g n i t t e S d o o F h s e r F r o t s i m r e h T e g n a R e r u t a r e p m e T r e z e e r F l o r t n o C g n i t t e S r o t s i m r e h T r e z e e r F e g n a R e r u t a r e p m e T m u m i n i M m u m i x a M ...

Page 33: ...itch The Sabbath switch is located behind the grille panel on the control board cover and will activate the Sabbath feature The Sabbath switch will open the light circuit preventing the interior lights from receiving L1 therefore the lights will not operate when either door is open Temperature Overload Device TOD A temperature overload device is wired in series with both the fresh food light and t...

Page 34: ... 32 Schematic ...

Page 35: ...condenser is connected to a copper jumper tube that is connected to the inlet of the condenser loop In a normal home environment there is no need for routine condenser cleaning However in environments that may be particularly dusty or greasy the condenser should be cleaned periodically for efficient refrigeration operation An ordinary appliance brush should be all that is needed Functionally the c...

Page 36: ...porator thermistor 4 Remove the defrost heater see procedure 5 Disconnect the ground wire from the evaporator and position all wiring to allow for evaporator removal 6 Remove the 2 screws that hold the evaporator to the cabinet Caution If desoldering the evaporator HEAT SHIELD P N WR49X10025 must be used to prevent damage to freezer liner Protect wiring from heat during desoldering and resoldering...

Page 37: ...system using currently accepted procedures Auxiliary Line A stainless steel hot gas loop is routed from the machine compartment down the back of the unit into the drain pan and back up to the machine compartment Hot refrigerant gas flows through the gas loop to assist the evaporation of drain water collected in the drain pan Refrigerant Charge The refrigerant used in this model is type R134a Refer...

Page 38: ... y a l p i d l i a f w o l e b 1 e t o n e e S 1 0 t s e T r e p m a D y l f e i r b s e s u a p r e p m a d s n e p O r e p m a d s e s o l c n e h t d n a 1 2 e m i T n u R 0 0 1 e h t f o 0 0 1 n o m e t s y s d e l a e S r e t f a t u o s e m i T e m i t r u o h 1 1 3 t s e T l l i h c e r P t i n U e d o m l l i h c e r p s t r a t S n w o s t i n o l a m r o n o t s n r u t e r 1 4 t s e T t...

Page 39: ...ly after reconnecting power Go to Damper Door Not Operating flowchart No Yes Is the airflow within the fresh food normal Look for blockage at vents or heavy frost on evaporator cover No Go to Heavy Frost on Evaporator flowchart Remove blockage from vent area Blockage Check sealed system Does sealed system check OK Unit tests OK Run checks again Reset electronics by unplugging refrigerator for 15 s...

Page 40: ...above 55 F to avoid low ambient condition Room temperature above 55 F Control settings OK Advise consumer of refrigeration installation requirements NO Is the damper closed YES NO Verify thermistors are within proper range using thermistor values chart Is the resistance within proper range YES Check wiring connections If OK replace thermistor NO Unit tests OK Run checks again Reset electronics by ...

Page 41: ...lugging refrigerator for 15 seconds Look for usage problem Repair sealed system NO NO YES YES YES YES YES YES Check control settings and temperatures Food at setting of 37 F and 0 F with no door openings for 12 hours should be Fresh food 34 F to 42 F Freezer 8 F to 6 F Control settings OK Look for blockage at vents or heavy frost on evaporator cover Remove blockage from evaporator cover vent area ...

Page 42: ...r blockage at vents or heavy frost on evaporator cover NO Blockage Go to Heavy Frost on Evaporator flowchart Check sealed system Does sealed system check OK YES Repair sealed system Remove blockage from vent area NO YES Unit tests OK Run checks again Reset electronics by unplugging refrigerator for 15 seconds Look for usage problem YES Is the evaporator fan running Go to Evaporator Fan Not Running...

Page 43: ...0 F Is the compressor running Adjust setting and allow 24 hours to stabilize Check for 120 VAC at connector J7 9 orange wire to terminal J8 white wire Do you have 120 VAC NO Direct test the compressor Did it start YES Replace main control board NO Check wiring to compressor overload and relay YES Replace compressor NO YES ...

Page 44: ...trol board Check for 12 VDC at control board pins J4 2 to J4 3 Voltage present NO Unplug the temperature control harness Does the refrigerator start once the harness is unplugged YES Replace temperature control board YES Replace main control board NO Verify thermistors are within proper range using the thermistor values chart Is the resistance within range NO Replace main control board YES Check w...

Page 45: ...sistance within range Replace main control board YES YES Check wiring connections If OK replace thermistor NO Unplug harness connector at damper Measure resistance between the blue and red wires and between the white and blue wires Do you measure approximately 420 ohms for both readings NO Replace damper NO Unplug J3 connector from main control board Unplug the refrigerator to reset then reconnect...

Page 46: ... J7 pin 9 Are there approximately 37 ohms Always check door ajar customer usage numerous door openings etc Check wiring harness defrost heater and defrost overtemperature thermostat NO Verify thermistors are within proper range using thermistor values chart Is resistance within range Replace main board Check wiring connections If OK replace thermistor NO YES YES ...

Page 47: ... the voltage correct for both Replace evaporator fan motor Unplug J2 connector on the main control board Check for 13 VDC between pins J2 8 and J2 3 and 8 13 VDC between pins J2 4 and J2 3 Is the voltage correct for both YES NO Repair wiring between main control board and evaporator fan motor YES Replace main control board NO Note When no voltage at main control board make certain to check for sho...

Page 48: ... the voltage correct for both Replace the condenser fan motor YES Unplug J2 connector on the main control board Check for 13 VDC between pins J2 3 and J2 8 and 11 13 VDC between pins J2 3 and J2 5 Is the voltage correct for both NO Replace main control board YES NO Repair wiring between main control board and condenser fan Note When no voltage at main control board make certain to check for shorte...

Page 49: ... 47 PARTS LIST ...

Page 50: ... 48 ...

Page 51: ... 49 ...

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Page 53: ... 51 ...

Page 54: ... available 1 735 OVERLOAD WR08X10026 1 736 CLIP COMP MTNG WR02X8583 4 737 GROMMET WR02X10099 4 740 DRYER BIFURCATED XH9 WR86X0096 1 741 STUD MTG COMPR WR01X1779 4 750 SCR 10 32 TR T 1 2 WR01X1786 4 752 FT WHEEL BKT WR02X8470 2 753 BRACKET EVAP FAN BTM WR02X10548 1 762 FOAM STRIP WR14X0313 2 790 FILTER CANISTER GWF 1 791 PLUG BYPASS FILTER WR02X10577 1 792 FILTER MNT TUBEASM WR17X10707 1 800 VALVE ...

Page 55: ...17X11012 1 3548 BASE SHAFT WR01X10256 2 3568 BLADE FAN MOTOR WR60X10050 1 3571 HINGE DOOR BOTTOM WR13X10202 1 3572 BUSHING HINGE BOTTOM WR02X10953 1 3574 BUSHING HINGE TOP WR02X10954 1 3576 TUBE WATER FILL not available 1 3577 GROMMETAND GASKETASM WR02X10967 1 3599 CUP FILL IM WR29X10046 1 4543 PAN SUPPORT SNACK PAN WR02X10149 2 4544 PAN SUPPORT ASM VEG PAN WR02X10150 2 5000 EVAP COIL WR85X10007 1...

Page 56: ...7510 SLIDE BASKET UPPER FZ WR72X10082 2 7515 HINGE UPPER FF CASE WR13X10203 1 7516 LIGHT SHIELD FF WR17X11014 1 7518 WATER VALVE BRKT WR02X10958 1 7520 PIN BTM LOWER HINGE WR01X10257 1 7522 EYEBROW RH WR02X10959 1 7523 EDGE TRIM FZ REAR DUCT WR38X10247 1 7524 SHELF TRACK CENTER WR17X11027 1 7525 CTRL PANELTEMP CTRL WR17X11036 1 7528 FREEZER SLIDE SHIM WR72X10085 2 7536 HOUSINGCONTROL WR74X10082 1 ...

Page 57: ... 2 7769 AXLE REAR WR01X1733 2 7770 STOP DOOR WR13X0637 1 7871 COMPRESSION NUT 1 4 WR57X10016 1 7873 BRASS FERRULE WR57X10017 1 7951 TWIST SUPPORT WR02X10151 4 8086 HARNESS CAPACITOR WR23X0474 1 8141 WINE RACK WR17X4141 1 8142 ROCKER SWITCH 200 WATT WR23X0475 1 8292 SLIDE FULL EXT10 WR72X0269 4 8293 SLIDE FULL EXT12 WR72X0270 4 8350 TRACK SHELF FF WR17X4140 2 8536 DRAIN TRAPAUX COND WR17X10675 1 86...

Page 58: ... 56 Notes ...

Page 59: ...warranty is extended to the original purchaser and any succeeding owner for products purchased for ordinary home use in the 48 mainland states Hawaii and Washington D C In Alaska the warranty is the same except that it is LIMITED because you must pay to ship the product to the service shop or for the service technician s travel costs to your home All warranty service will be provided by our Factor...

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