GE Consumer & Industrial ZIC360NR Technical Service Manual Download Page 22

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Main Control Board

The main control board, located behind a metal cover at the top of the refrigerator in the machine
compartment, manages the operation of the refrigerator by calculating response from various inputs.

J4 or J16

J3 or J10

J1 or J14

J2 OR J13

Some of the low voltage DC

connector labeling on this model

may differ from other models. The

function and diagnostics for these

connectors are identical for all

models.

J1 or J14

J3 or J10

J2 or J13

DEFROST

CUSTOM COOL

PAN

HEATER

CRUSHER

WATER

J4 or J16

AUGER

EARTH

J18

J12

J15

J19

J11

Comm. 2-Way Digital

Comm. +12V

Comm. Common

Damper - Blue

Damper - White

Damper - Red

Damper - Yellow

FF1 Thermistor

FF2 Thermistor

FZ Thermistor

Evaporator Thermistor

+5V

Custom Cool D

Custom Cool Damper1 -

+5V

Custom Cool Thermistor

Evaporator Fan Tach.

Fan Common

Evaporator Fan

Condenser Fan

Custom Cool Fan

Fan +12V

Inverter Common

Inverter Output

Drain Pan Heater

Not Used

Defrost Heater

Line (L1)

Neutral

FZ Door Switch

FF Door Switch

Custom Cool Heater

Auger Motor Interlock

Water Valve

Crusher Solenoid

Auger Motor

Not Used

Summary of Contents for ZIC360NR

Page 1: ...PUB 31 9122 6 04 MODEL SERIES ZIC360NR ZICS360NR TECHNICAL SERVICE GUIDE Monogram Bottom Mount Inverter Compressor Refrigerators with Electronic Controls GE Consumer Industrial ...

Page 2: ... avoid 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 an...

Page 3: ...Valve and Water Line 11 AIRFLOW 13 Damper 13 Evaporator Fan 14 Condenser Fan 17 Drain Pan Fan 18 DEFROST SYSTEM 18 Adaptive Defrost 18 Defrost Heater 20 Evaporator Thermistor 20 Defrost Overtemperature Thermostat 20 CONTROL SYSTEM 21 Touch Panel and Temperature Control Board 21 Main Control Board 22 Main Control Board Locator Tables 26 Thermistors 28 ELECTRICAL SYSTEM 29 Door and Drawer Switches 2...

Page 4: ... 4 Inverter 35 Condenser 37 Condenser Loop 37 Drier 38 Evaporator 38 Auxiliary Line 39 Refrigerant Charge 39 DIAGNOSTIC MODE 40 ILLUSTRATED PARTS 41 WARRANTY 51 Table of Contents cont ...

Page 5: ...0 F Electrical Rating 115V AC 60 Hz 9 0 amp Maximum Current Leakage 0 75 mA Maximum Ground Path Resistance 0 14 Ohms Energy Consumption 39 KWhr month ELECTRICAL SPECIFICATIONS NO LOAD PERFORMANCE CONTROL POSITION 37 0 F and AMBIENT TEMPERATURE OF 70 F 90 F Fresh Food F 35 39 35 39 Frozen Food F 4 4 4 4 Percent Running Time 60 80 REFRIGERATION DIAGNOSIS To access the low pressure side of the system...

Page 6: ... 2003 F G APR 2002 D H MAY 2001 A L JUN 2000 Z M JUL 1999 V R AUG 1998 T S SEP 1997 S T OCT 1996 R V NOV 1995 M Z DEC 1994 L The letter designating the year repeats every 12 years Example T 1974 T 1986 T 1998 MINI MANUAL The mini manual is located behind 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 orig...

Page 7: ...ment P0003376 Freezer Drawer Switch Icemaker Freezer Thermistor Freezer Compartment P0003329 Fresh Food Thermistors Temperature Touch Panel Door Switch Damper Air Duct Cold Air Outlets COMPONENT AND CONNECTOR LOCATOR VIEWS ...

Page 8: ... compartment is located on the top of the unit and has a movable chassis that can be extended from the front of the unit to provide access to the refrigeration 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 door cover 3 Remove the door switch 4 D...

Page 9: ... minimal tension Once 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 i...

Page 10: ...rom the inner door liner 2 Tape door to cabinet 3 Remove the door closure mechanism 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 f...

Page 11: ...apable of producing approximately 100 to 130 cubes in a 24 hour period Note The freezer door light switch located on the 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 ...

Page 12: ...emove To Replace the Water Line from the Water 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 co...

Page 13: ... the top rear of the fresh food compartment The damper is controlled 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 ...

Page 14: ... pulses much like a duty cycle as opposed to an uninterrupted flow This pulsing of 13 2 VDC produces effective voltage being received at the motor which is the equivalent to a reduction in voltage Fan speed will be selected and maintained by the main control board regulating the length and frequency of the 13 2 VDC pulse Temperature may cause some fan speed variation Fan speed may vary 5 depending...

Page 15: ...9 J11 J9 Comm 2 Way Digital Comm 12V Comm Common Damper Blue Damper White Damper Red Damper Yellow FF1 Thermistor FF2 Thermistor FZ Thermistor Evaporator Thermistor 5V Custom Cool Damper1 Custom Cool Damper1 5V Custom Cool Thermistor Evaporator Fan Tach Fan Common Evaporator Fan Condenser Fan Custom Cool Fan Fan 12V Inverter Common Inverter Output Drain Pan Heater Not Used Defrost Heater Line L1 N...

Page 16: ...You cannot test with an ohmmeter DC common is not AC common Verify 2 voltage potentials a Red to white power 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 Some of the low voltage ...

Page 17: ...ate the speed of the fan the main control board uses pulse width modulation PWM Inlet air is available through the left front and left rear of the machine compartment If the fan shorts it will damage the main control board If the resistor on the main control board is burnt you must replace the fan and the board The condenser fan is mounted with screws to a fan shroud and mounting bracket in back o...

Page 18: ...STEM Adaptive Defrost Adaptive Defrost can be described as a defrost system that adapts to a refrigerator s surrounding environment and household usage Unlike conventional defrost systems that use electromechanical timers with a fixed defrost cycle time Adaptive Defrost utilizes an intelligent electronic control to determine when the defrost cycle is necessary In order to accomplish the correct de...

Page 19: ...ter 30 minutes of pre chill operation the main control board turns off the compressor condenser fan and evaporator fan During defrost operation the main control board monitors the evaporator temperature using evaporator thermistor inputs Typically the evaporator thermistor will sense a temperature of 45 F within 16 minutes When the thermistor senses 45 F the main control board will terminate defro...

Page 20: ...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 21: ...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 22: ... or J13 1 DEFROST K4 2 1 J6 K5 CUSTOM COOL K7 PAN HEATER CRUSHER K2 WATER K3 J4 or J16 1 8 J7 AUGER K1 1 J2 EARTH EARTH J1 J18 J12 J15 1 J19 J11 J9 Comm 2 Way Digital Comm 12V Comm Common Damper Blue Damper White Damper Red Damper Yellow FF1 Thermistor FF2 Thermistor FZ Thermistor Evaporator Thermistor 5V Custom Cool Damper1 Custom Cool Damper1 5V Custom Cool Thermistor Evaporator Fan Tach Fan Com...

Page 23: ... and off when the temperature is above defrost value This value is also read during power up to determine if refrigerator goes into pulldown mode or cycle continuation Feedback is unfiltered responds immediately Provides 5 VDC for thermistors and personality pins on J1 VDC 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 T C N U F z H n a f r ...

Page 24: ... 7 J 1 C A V C A V 0 2 1 r o t o m r e g u a e h t o t e g a t l o v 1 L d e h c t i w S 7 J 2 C A V C A V 0 2 1 d i o n e l o s r e h s u r c e h t o t e g a t l o v 1 L d e h c t i w S 7 J 3 C A V C A V 0 2 1 e v l a v r e t a w e h t o t e g a t l o v 1 L d e h c t i w S 7 J 4 C A V d e s o l c s i r o o d r e z e e r f n e h w h c t i w s r o o d r e z e e r f m o r f t u p n i 1 L s e v i e c...

Page 25: ...square wave to control compressor speed 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 T C N U F 9 J 1 C A V s i t i u c r i c s i h t g n o l w o h s t n u o c r e m i t A C A V 0 2 1 t i u c r i c t s o r f e d e h t o t e g a t l o v 1 L d e h c t i w S r o e v i t p a d a s i e l c y c t s o r f e d t x e n e h t f i e n i m r e t e d o ...

Page 26: ...t u p t u O A V 0 2 1 9 n i p 7 J o t 9 J 1 1 J n w o r B t u p n I A V 0 2 1 9 n i p 7 J o t 1 1 J 2 1 J k c a l B t u p t u O A V 0 2 1 9 n i p 7 J o t 2 1 J J4 or J16 J3 or J10 J1 or J14 J2 OR J13 Some of the low voltage DC connector labeling on this model may differ from other models The function and diagnostics for these connectors are identical for all models Main Control Board Locator Table...

Page 27: ... i p o t 1 n i p 1 J C D V 2 e u l B d o o f h s e r F 2 r o t s i m r e h t t u p n I 5 3 o t 8 2 5 n i p o t 2 n i p 1 J C D V 3 d e R r o t s i m r e h t r e z e e r F t u p n I 5 3 o t 8 2 5 n i p o t 3 n i p 1 J C D V 4 k c a l B r o t a r o p a v E r o t s i m r e h t t u p n I 5 3 o t 8 2 5 n i p o t 4 n i p 1 J C D V 5 n w o r B y l p p u s r o t s i m r e h T C D V 5 e g a t l o v t u p t...

Page 28: ...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 29: ...n Master Light Switch The Master light switch is located behind the grille panel on the control board cover The master light 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 the freezer ...

Page 30: ... SOME OF THE LOW VOL TAGE DC CONNECTOR LABELING ON THIS MODEL MAY DIFFER FROM OTHER MODELS THE FUNCTION AND DIAGNOSTICS FOR THESE CONNECTORS ARE IDENTICAL FOR ALL MODELS J15 1 2 BROWN COMPRESSOR INVERTER BLUE RED WHITE BLACK R 1323 R 38 GREEN 6 4 6 4 6 4 ...

Page 31: ...YSTEM Evaporator Machine Compartment Front View Master Light Switch Water Filter Inverter Water Valve Main Control Board Cover Evaporator Defrost Heater Defrost Overtemperature Thermostat Accumulator Evaporator Thermistor ...

Page 32: ... 32 Evaporator Fan Motor Evaporator Fan Connector Evaporator Fan Compressor and Inverter ...

Page 33: ...4 Hz will produce 3120 rpm Note Certain voltmeters will not be able to read voltage output or frequency from the inverter Compressor wattages at various speeds are LOW 65 watts MED 100 watts HIGH 150 watts BTU rating also varies according to operating speed Compressor speed is based on the temperature set point in conjunction with the cabinet temperature Speeds are selected according to the follow...

Page 34: ...ompressor and multiply this number by 30 For example a frequency measurement of 70 Hz would show a compressor speed of 2100 rpm 30 x 70 2100 Note If the compressor fails to start the inverter will briefly stop voltage output The inverter will make 12 consecutive attempts to start the compressor once every 12 seconds If after 12 attempts the compressor has not started an 8 minute count will occur A...

Page 35: ...will send a PWM run signal between 1 5 and 3 5 VDC effective voltage to the inverter The signal voltage at the inverter should be equal to the signal voltage sent by the main control board The inverter will select compressor speed voltage output based on this signal A signal voltage from the main control board J15 connector lower than 5 VDC indicates a faulty main control board The main control bo...

Page 36: ...isengage the holding tabs Note It may be necessary to bend the process tube in order to remove the inverter If it is necessary to bend the process tube use extreme care 5 Slide the inverter out of the machine compartment To remove the inverter cover Use a small screwdriver to release the two small tabs and carefully remove the inverter cover Wiring Harness Wiring Harness Bolt Bolt Compressor Lead ...

Page 37: ...the condenser does the same job as previous models Air is drawn through the condenser by the condenser fan from the front left and rear left of the machine compartment Air exits only from the right side of the machine compartment Condenser Loop The condenser loop made of copper tubing is foamed in place behind the breaker frame and across the mullion It is not accessible for replacement The tubing...

Page 38: ...vaporator and position all wiring to allow for evaporator removal 6 Remove the screws securing the evaporator to the cabinet Caution Protect wiring from heat during desoldering and resoldering 7 Desolder the capillary tube from the evaporator 8 Desolder the suction line 9 Remove the evaporator 10 Using a file score the capillary tube just above the old solder and break the solder covered section o...

Page 39: ...to 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 to the mini manual or model tag for the exact refrigerant charge quantity ...

Page 40: ...e h t s n r u T s d n o c e s 1 0 t s e T s r e p m a D n e h t y l f i e r b e s u a p n e p o l l i w r e p m a d h c a E e s o l c 1 2 e m i T n u R 0 0 1 s e m i T e m i t e h t f o 0 0 1 n o m e t s y s d e l a e S r u o h 1 r e t f a t u o o t t e s s i r o t a r e g i r f e r f i d e r e t n e e b t o n n a C f f o 1 3 t s e T l l i h c e r P n o l a m r o n o t s n r u t e r t i n U e d o ...

Page 41: ... 41 Illustrated Parts ...

Page 42: ... 42 ...

Page 43: ... 43 ...

Page 44: ... 44 ...

Page 45: ... 45 ...

Page 46: ...0615 WR02X10519 GROMMET EVAP FAN 2 0618 WR02X10520 GROMMET COND FAN 2 0626 WR23X0108 POWER CORD 1 0650 WR60X10053 MOTOR DC COND FAN 1 0651 WR60X10049 BLADE COND FAN ASM 1 0626 WR23X10300 POWER CORD 1 0683 WR01X1716 SCREW FAN MOTOR 8 0690 WR01X1466 SCR 8 32 T HXW 3 8 S 4 0704 WR01X10301 MAIN BOARD STAND OFFS 4 0725 WR87X10064 COMPRESSOR REPL ASM 1 0736 WR02X8583 CLIP COMP MTNG 4 0690 WZ5X158D SCR 8...

Page 47: ...WR12X10644 HANDLE FF 1 1539 WR02X10945 BRKT COND FAN MOTOR LG 1 1544 WR49X10093 FILL TUBE KIT BM SXS D 1 1546 WR02X10946 FILTER BRACKET 1 1548 WR74X10097 EVAPORATOR COVER 36 BM 1 1549 WR74X10098 EVAPORATOR FAN COVER 1 1550 WR17X11009 BRACKET DAMPER MTG 1 1521 WR02X10941 BRKT REFRIG PAN GUIDE 2 1551 WR01X5645 SCREW IM STRAP PAN 17 1553 WR17X11010 WATER COLLECTOR 1 1557 WR74X10081 HOOD HINGE MOUNT 3...

Page 48: ...599 WR29X10046 CUP FILL IM 1 5108 WR17X10349 DRAIN BAFFLE 1 5117 WR09X10065 DAMPER MOTORIZED 1 5149 WR72X10011 DIVIDERASM VEG PANS 1 5150 WR32X10076 SHOWCASE LID ASM 2 5166 WR01X10045 WIRE RETAINER EVAP HEATE 2 5180 WR71X10142 ASM DAIRY COMP 2 5197 WR02X10145 BAFFLE EVAP LH 1 5205 WR72X10012 SUPPORT SLIDE RH 1 5208 WR22X10007 SEAL DAIRYASM 1 5220 WB07X10461 SEAL FRONT SNACK PAN 2 5222 WR01X10046 W...

Page 49: ...GHT SHIELD FF 1 7518 WR02X10958 WATER VALVE BRKT 1 7288 WR01X5686 SCREW GRILLE MTG 2 7520 WR01X10257 PIN BTM LOWER HINGE 1 7523 WR38X10247 EDGE TRIM FZ REAR DUCT 1 7524 WR17X11097 SHELF TRACK CENTER 1 7525 WR17X11036 CTRL PANEL TEMP CTRL 1 7528 WR72X10085 FREEZER SLIDE SHIM 2 7533 WR17X11180 CASE TRIM FF SIDE 1 7534 WR17X11558 FF DOOR TRIM RH HINGE 1 7535 WR17X11559 FF DOOR TRIM TOP RH HIN 1 7536 ...

Page 50: ...NG WHEEL LE022C4 2 7768 WR02X10479 LEVELING LEG 2 7769 WR02X8800 AXLE REAR 2 7770 WR13X0637 STOP DOOR 1 7871 WR57X10016 COMPRESSION NUT 1 4 1 7873 WR57X10017 BRASS FERRULE 1 7951 WR02X10151 TWIST SUPPORT 4 8141 WR17X4141 WINE RACK 1 8292 WR72X0269 SLIDE FULL EXT10 4 7569 WR55X10159 BOARD ASM TEMP CONTROL 1 8293 WR72X0270 SLIDE FULL EXT12 4 7570 WR49X10070 MASTER LIGHT SWITCH 1 8350 WR17X4140 TRACK...

Page 51: ...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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