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GE ZIC30GN Technical Service Manual
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GE ZIC30GN Technical Service Manual

30-in. built-in monogram convertible drawer refrigerator or wine reserve
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GE Appliances
Technical Service Guide
August 2011
30-in. Built-In
Monogram Convertible
Drawer Refrigerator or
Wine Reserve
31-9210
31-
9210
ZIC30GN
ZIK30GN
ZIW30GN
GE Appliances
General Electric Company
Louisville, Kentucky 40225

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Summary of Contents for GE ZIC30GN

  • Page 1 GE Appliances Technical Service Guide August 2011 30-in. Built-In Monogram Convertible Drawer Refrigerator or Wine Reserve ZIC30GN ZIK30GN ZIW30GN 31-9210 9210 GE Appliances General Electric Company Louisville, Kentucky 40225...
  • Page 2 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 properly fastened. GE Appliances Technical Service Guide Copyright © 2011 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from the General Electric Company.
  • Page 3 https://appliancetechmanuals.com Table of Contents Air Temperature Thermistors ............................35 Center Mullion and Heater ............................43 Components ..................................28 Components Locator Views ............................22 Compressors and Inverters ............................62 Condenser Fans ................................61 Control Board Connector Locator ..........................26 Control Features ................................16 Customer Control ................................34 Dead Unit Diagnostics ..............................63 Diagnostic Mode ................................64 Door Gaskets ..................................32 Drawers ....................................42...
  • Page 4 R600a Refrigerant failure due to improper installation is not covered under Warning: This appliance contains isobutane refrigerant , the GE Appliance Warranty. See the Owner’s Manual for R600a, a natural gas with high environmental warranty information. compatibility. However it is also combustible. Please...
  • Page 5 https://appliancetechmanuals.com Introduction The new Monogram 30” Convertible Series Refrigerators have the following features: • Available with a center freezer, bottom convertible drawer, and upper fresh food compartment or dual temperature wine reserve. True fl ush built-in design ― custom door panel ready •...
  • Page 6 https://appliancetechmanuals.com Nomenclature Z I C 3 0 G N Z A I I I I Door Swing II - Panel Ready Brand/Product Z - Monogram Engineering A - Initial Design Installation B - First Revision I - Built-In C - Second Revision Etc.
  • Page 7 https://appliancetechmanuals.com Technical Data Ambient Ambient [°F] Average Average Average Average Compressor Compressor Compressor Compressor comp. Temp. comp. Temp. comp. comp. Run time [%] Run time [%] Run time [%] Run time [%] Temp. [°F] Temp. [°F] Temp. [ Refrigerator 18 - 20 18 - 20 37.1 - 37.5 30-32...
  • Page 8 https://appliancetechmanuals.com R600a – Isobutane Refrigerant The Monogram convertible refrigerator utilizes 2 separate variable speed sealed systems, one system per compartment. This allows the compartments to be independently controlled. The front system controls the top compartment, the rear system controls the bottom compartment. These systems utilize R600a Isobutane refrigerant.
  • Page 9 https://appliancetechmanuals.com Installation POWER CORD REFRIGERATOR LOCATION Do not install the refrigerator where temperatures Do not, under any circumstances, cut or remove will be below 60°F (16°C) because it will not maintain the third (ground) prong from the power cord. For proper temperatures, and the refrigerator could personal safety, this appliance must be properly develop high internal humidity.
  • Page 10 https://appliancetechmanuals.com Installation Instructions STEP 1 REMOVE PACKAGING CAUTION: THE REFRIGERATOR IS TOP-HEAVY. BE CAREFUL WHEN MOVING. • Cut bands and tape on the top and bottom of packaging with a utility knife. • Unfold the cardboard seams and remove the top of the packaging.
  • Page 11 Insert tube into the union f itting on the unit and tighten nut to union. • Turn on the water to check for leaks. GE SmartConnect™ Tubing: • Secure bracket using combination of studs & anchors. • Insert the end of the tubing into the refrigerator •...
  • Page 12 https://appliancetechmanuals.com STEP 5 SLIDE UNIT INTO ENCLOSURE STEP 7 LEVEL REFRIGERATOR Roll the unit into the enclosure, being careful not to pinch All models have 4-point leveling. The front is supported the water line or power cord. by leveling legs; the rear is supported by adjustable wheels.
  • Page 13 https://appliancetechmanuals.com 5. Remove the trim and hinge pocket from the top STEP 8 INSTALL TOEKICK AND VENT of the refrigerator and install on the opposite sides. • Locate the toekick, vent and screws (removed earlier). 6. Remove the trim and hinge pocket from the bottom •...
  • Page 14 https://appliancetechmanuals.com STEP 9 REVERSE DOOR SWING STEP 11 ATTACH HINGE GUARD (cont) WARNING: 13. With another person holding the door in place, align the holes in the door hinge bracket with the This appliance must be installed & operated with the holes in the hinge.
  • Page 15 https://appliancetechmanuals.com Back View of Panel Hooks and Bracket 6. Adjust the screw posts up or down under the bracket on top of the door to level the panel. 7. Lock the panel to the door by installing the nuts provided onto the screw posts on top of the door. Next , screw the L-bracket provided into the bottom of the door and the panel.
  • Page 16 https://appliancetechmanuals.com Control Features Temperature Controls Fresh Food – Solid Door Unit Upper Drawer – Freezer Fresh Food – Glass Door Unit Lower Drawer – Customizable To change the temperature settings, press the plus (+) or minus (–) pad for each increment to the desired temperature set point.
  • Page 17 https://appliancetechmanuals.com Changing Display Temperatures from °F to °C To change the temperature display between Fahrenheit and Celsius, press both the plus (+) and minus (–) pads for 5 seconds. Alarm To turn the Alarm feature on, press and hold the ALARM When the ALARM is button for 3 seconds.
  • Page 18 There To order additional fi lter cartridges, visit our Website is a replacement indicator light for the water fi lter at monogram.com, or call GE Parts and Accessories, cartridge on the control panel. The fi lter cartridge should 800.626.2002.
  • Page 19 https://appliancetechmanuals.com Customizable Drawer The customizable drawer can be used as a freezer, as a Removable sliding bin fresh-food refrigerator or as a wine/beverage drawer. To customize your drawer: Tab Hole Raised Tab Press the ZONE indicator on the control pad to select the customizable drawer.
  • Page 20 https://appliancetechmanuals.com External Moisture Control This product is equipped with an external moisture control feature. The refrigerator and wine reserve models are shipped with the external moisture control feature off. In some humid environments, moisture can form on the front surface of the refrigerator or wine reserve cabinet.
  • Page 21 https://appliancetechmanuals.com Sabbath Mode Showroom Mode The Sabbath Mode was designed for use on the Jewish The Showroom Mode enables normal light and control Sabbath and Holidays. The Sabbath Mode feature makes functions while disabling the cooling system. it possible for observant Jews to refrigerate and freeze While in the Showroom Mode, the compressors, fans, and food during the duration of the holiday.
  • Page 22 https://appliancetechmanuals.com Components Locator Views 30-in. Built-In Bottom Freezer with 2-Drawer Refrigerator Icemaker Customizable Drawer Note: • Throughout this service manual, the upper interior section is commonly referred to as the fresh food section even though it may be set for wine. The bottom convertible drawer interior section is referred to as the freezer section even though it can be confi...
  • Page 23 https://appliancetechmanuals.com 30-in. Built-In Bottom Freezer with Wine Reserve Upper Wine Reserve Lower Wine Reserve Full Extension Drawers Wine Display Freezer Drawer Shelf Icemaker Customizable Drawer Note: • Throughout this service manual, the upper interior section is commonly referred to as the fresh food section even though it may be set for wine.
  • Page 24 https://appliancetechmanuals.com Fresh Food Compartment Fresh Food Fan Accumulator Thermal Protector Thermistor Defrost Heater Drain Heater (Continued next page) – 24 –...
  • Page 25 https://appliancetechmanuals.com Freezer Compartment Thermal Protector Accumulator Thermistor Defrost Heater Drain Heater System Tray Compartment Water Filter Power Cord EMI Filter Condensers Compressors Filter Driers Water Valve Control Board – 25 –...
  • Page 26 https://appliancetechmanuals.com Control Board Connector Locator Main Control Board Pin 1 K115 K113 K119 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 K114 K123 K120 K111 K110 Pin 1 Pin 1 Pin 1 Pin 1 K122 Pin 1 Pin 1 K112 Pin 1 K108...
  • Page 27 https://appliancetechmanuals.com Power Supply Board K300 Pin 1 K301 Pin 1 K303 Pin 1 K300 - Input AC Power K301 - Fresh Food Wall LEDs K303 - Output DC Power – 27 –...
  • Page 28 https://appliancetechmanuals.com Components Interior Shelves, Drawers, and Bins Lighted Vegetable Drawer Shelf (refrigerator models) Lighted Vegetable The lighted vegetable drawer shelf provides lighting for Drawer Shelf the lower compartments. The lights are recessed into the shelf to illuminate the drawers below. To remove the shelf: Lift the shelf and carefully pull forward to expose the LED lights are located...
  • Page 29 https://appliancetechmanuals.com Adjustable Shelves (refrigerator models) Tempered glass shelves in the fresh food section enable you to make effi cient shelf arrangements to fi t your family’s food storage needs. To adjust shelves: Tilt the shelf up at the front and slide it up or down along the back wall to the placement you want.
  • Page 30 https://appliancetechmanuals.com Wine Bottle Arrangements (wine reserve models) Full Extension Drawers The top 6 drawers are full-extension drawers, with each drawer holding up to 10 bottles. The bottles are stored with necks alternating from front to back. Wine Display Shelf The wine display shelf can either be in a horizontal position or an angled position.
  • Page 31 https://appliancetechmanuals.com Vegetable Drawer Strip Lights Interior Lights The vegetable drawer utilizes an LED strip light that The 30-in. built-in bottom freezer with 2-drawer is recessed into the shelf to illuminate the drawer refrigerator and the wine reserve units utilize LED below.
  • Page 32 https://appliancetechmanuals.com Circular Wall LED Lights Door Gaskets The circular wall LED lights operate on 3 VDC The doors and drawers have magnetic gaskets supplied from the power supply board. Each LED that create a positive seal to the front of the steel light is permanently attached to a circuit board.
  • Page 33 https://appliancetechmanuals.com 5. Remove the two T-30 Torx screws that attach Fresh Food/Wine Reserve Door the door to the top hinge. Door removal is considered a 2-person job due to the weight of the door and the alignment needed when installing the door. Caution: The articulating door hinges incorporate a substantial tension spring.
  • Page 34 https://appliancetechmanuals.com 3. Grasp and pull out the customer control from Customer Control the cabinet. The customer control contains a magnetic reed switch that operates the upper section lighting. The reed switch is operated by a magnet that is attached to the bottom of the door with a Phillips- head screw.
  • Page 35 https://appliancetechmanuals.com Air Temperature Thermistors Fresh Food Evaporator Cover The fresh food, freezer, and customizable drawer Note: The upper interior section is commonly compartments each utilize an air temperature referred to as the fresh food section even though it thermistor. The wine reserve unit has 2 air may be set for wine.
  • Page 36 https://appliancetechmanuals.com 4. Remove the two T-25 Torx screws at the bottom 7. Remove the 3 Phillips-head screws from the top of each shelf track. of the evaporator panel, and then pull the panel out of the cabinet. Note: In the following step, a gasket attached to the bottom of the Styrofoam™...
  • Page 37 https://appliancetechmanuals.com 3. Pivot the center mullion cover out at the bottom, Wine Reserve Evaporator Cover and then lift the cover off the mullion. Note: The wine unit has upper and lower cooling zones that are separated by a center mullion strip. Accessing the evaporator requires removal of the center mullion strip and the upper and lower evaporator covers.
  • Page 38 https://appliancetechmanuals.com 8. Remove the 8 Phillips-head screws on the lower 14. Remove the 2 Phillips-head screws and the 2 cover. metal cover retainers from the Styrofoam cover. Cover Retainers Lower Cover Caution: The Styrofoam evaporator cover contains 2 dampers that control the upper and lower cooling zone temperatures.
  • Page 39 https://appliancetechmanuals.com Defrost Drain Heater Fresh Food Evaporator Components The defrost drain heater is a 4-inch long resistive WARNING: Sharp edges may be exposed when heater that is inserted into the drain opening. The servicing. Use caution to avoid injury. Wear Kevlar heater is not attached and easily pulls out of the gloves or equivalent protection.
  • Page 40 https://appliancetechmanuals.com 5. Disconnect the defrost heater connector. Defrost Heater The evaporator uses a wraparound serpentine 6. Remove the Phillips-head screw, 7-mm nut, 3 defrost heater. The evaporator is attached to 4 lock washers, ground wires, and clamp from the brackets on the refl ective heat shield. To access defrost heater.
  • Page 41 https://appliancetechmanuals.com Evaporator Thermistor Fresh Food Fan Motor The evaporator thermistor is inserted into a holder The fresh food fan motor is a variable speed, PWM in the top of the evaporator. The evaporator (pulse-width modulated), 12-VDC motor with rpm cover must be removed to access the evaporator feedback to the main board.
  • Page 42 https://appliancetechmanuals.com To remove either drawer: Drawers 1. Pull the drawer out and remove the front-corner The freezer drawer and the convertible drawer thumb screws. each utilize a magnetic reed switch to signal the main board the drawer is open. This reed switch is used to operate the LED lighting for the drawer and adaptive defrost input.
  • Page 43 https://appliancetechmanuals.com 4. Peel back the foam strip from each side of the Center Mullion and Heater mullion. The center mullion houses the convertible drawer LED strip lights and the mullion heater. The center mullion heater operates on 120 VAC and has an approximate resistance value of 48 .
  • Page 44 https://appliancetechmanuals.com Note: In the following step, a foam insulation block Icemaker is located behind each side of the mullion. The temperature set range on this drawer is from 6. Note the orientation of the side foam insulation -6° to +6° F. blocks, and then grasp and pull the mullion out approximately 4 inches.
  • Page 45 https://appliancetechmanuals.com To remove the icemaker: Icemaker Fill Tube Heater 1. Remove the center mullion. (See Center Mullion The icemaker utilizes a heater that is positioned and Heater around the fi ll tube. To access the heater, it is necessary to remove the icemaker. (See Icemaker 2.
  • Page 46 https://appliancetechmanuals.com 6. Remove the 2 Phillips-head screws and the Icemaker Inlet Tube tubing retainer. To replace the icemaker inlet tube: Tubing Retainer 1. Remove the refrigerator or wine reserve from its installation. (See Installation Instructions 2. Remove the water valve. (See , follow Water Valve steps 1 thru 3.)
  • Page 47 https://appliancetechmanuals.com 9. Remove the foam insulation covering the Freezer Evaporator Cover icemaker inlet tube. The freezer evaporator cover is located behind the freezer back wall and top air duct. To remove the freezer evaporator cover: Foam Insulation 1. Remove the icemaker from the freezer compartment.
  • Page 48 https://appliancetechmanuals.com 6. Remove the 5 Phillips-head screws and the top 10. Insert a small, fl at blade screwdriver and pry out air duct. the Styrofoam plug that covers the convertible drawer damper connector. 7. Remove the 8 Phillips-head screws from the back wall.
  • Page 49 https://appliancetechmanuals.com 13. Reach in behind the cover, and then locate Freezer Evaporator Components and disconnect the freezer fan wire harness. (Harness type shown below.) WARNING: Sharp edges may be exposed when servicing. Use caution to avoid injury. Wear Kevlar gloves or equivalent protection. Thermal Protector The freezer defrost heater circuit is protected by two 160°F thermal fuses assembled as a single thermal...
  • Page 50 https://appliancetechmanuals.com Defrost Drain Heater Defrost Heater The defrost drain heater is a 4-inch long resistive The evaporator uses a wraparound serpentine heater that is inserted into the drain opening. The defrost heater. The evaporator is attached to 4 heater is not attached and easily pulls out of the brackets on the refl...
  • Page 51 https://appliancetechmanuals.com 7. Remove the Styrofoam air blocks (1 each side) Freezer Fan Motor from the evaporator. WARNING: Sharp edges may be exposed when 8. Remove the 3 aluminum ties from the bottom of servicing. Use caution to avoid injury. Wear Kevlar the heater.
  • Page 52 https://appliancetechmanuals.com 3. Cut the tubing close to the right side of the Evaporator factory ring connectors WARNING: Sharp edges may be exposed when servicing. Use caution to avoid injury. Wear Kevlar gloves or equivalent protection. The 30-in. Built-in Monogram Convertible Unit evaporator requires the use of LOKRING for replacement due to aluminum tubing.
  • Page 53 https://appliancetechmanuals.com 6. Apply 3 drops of Lokprep approximately 8. Allow 3 minutes for the LokPrep to cure before 1/8 inch from each end of the tubing to pressurizing the sealed system with nitrogen. be connected, and then insert the Lokring Leak-check the connections using bubble connector and rotate it one full revolution to solution WX05X10507.
  • Page 54 https://appliancetechmanuals.com 4. Attach the capillary tubing to the copper Toekick and Vent Panel extension tube using the WR97X10035 (5/16-in. to .079) capillary-reducing connector. The toekick and vent panel must be removed to access the system tray. When using a capillary-reducing connector, Note: make sure the capillary tube protrudes thru the To remove the toekick and vent panel:...
  • Page 55 https://appliancetechmanuals.com 5. Press the John Guest connector collar and Water Valve remove the fi lter inlet tube from the water valve. The water valve is serviceable from the front of the 6. Press the John Guest connector collar and unit. To access or replace the icemaker water valve, remove the fi...
  • Page 56 https://appliancetechmanuals.com Filter Head EMI Filter The EMI fi lter is located on the left side of the To remove the fi lter head: machine compartment. The EMI fi lter is attached 1. Remove the water valve. (See , follow Water Valve to the fi...
  • Page 57 https://appliancetechmanuals.com Power Supply Board Power Supply and Main Control Board Assembly To access the power supply board, it is necessary to remove 6 Phillips-head screws and the front cover The power supply and main control boards are from the housing. installed in a housing located on the right side of the system tray.
  • Page 58 https://appliancetechmanuals.com Main Control Board System Tray To access the main control board, it is necessary to The system tray contains the freezer and the fresh fi rst remove the front cover (See Power Supply Board, food compressors, compressor inverters, driers, this section ), and then remove the back cover from condensers, condenser fans, control board, and EMI...
  • Page 59 https://appliancetechmanuals.com 5. Pull out the left-side fi lter drier and capillary To pull the system tray out to the 16-inch position: tubing from the center compartment. 1. Pull the tray out to the 9-inch position. 6. Carefully unwind the capillary tubing and place 2.
  • Page 60 https://appliancetechmanuals.com Caution: In the following step, to avoid damage To pull the system tray completely out: or binding with the cabinet, monitor the heat 1. Pull the tray out to the 16-inch position. exchanger tubing and capillary tubes as the tray is pulled completely out from the cabinet.
  • Page 61 https://appliancetechmanuals.com To remove the freezer condenser fan: Condenser Fans 1. Remove the fresh food condenser fan. (See To The fresh food and freezer condenser fans are remove the fresh food condenser fan, follow located in the machine compartment between the steps 1 thru 4.) compressors and the condensers.
  • Page 62 https://appliancetechmanuals.com Compressors and Inverters Each compressor is a reciprocating type. Refer to the mini-manual for the BTU/hour rating, refrigerant type, and correct charge for this model. Each compressor utilizes an inverter. The inverter is connected to the terminals on each compressor. The toeplate and vent panel must be removed to access the inverters.
  • Page 63 https://appliancetechmanuals.com Troubleshooting Dead Unit Diagnostics For dead unit diagnostics, remove the access panels If there is line input to the main board, check for and locate the power cord connection behind the power output to the power supply. The main board EMI fi...
  • Page 64 https://appliancetechmanuals.com Diagnostic Mode Before performing diagnostic checks determine which section you will be testing. Convertible drawer units consist of 2 separate sealed systems with 3 compartments so it is important to identify the correct diagnostic codes for the compartment you are testing. The upper section is commonly referred to as the fresh food section even though it may be set for wine.
  • Page 65 https://appliancetechmanuals.com Diagnostic Code Number Test Page Fresh Food Condenser Fan Freezer Condenser Fan Fresh Food Strip and Wall LEDs Freezer Top Strip LEDs Freezer Bottom Strip LEDs Fresh Food Drain Heater Freezer Drain Heater Fresh Food Evaporator Defrost Heater Freezer Evaporator Defrost Heater Ice Maker Fill Tube Heater Freezer Mullion Heater Fresh Food Back Wall Heater –...
  • Page 66 https://appliancetechmanuals.com Diagnostic Code Mode Comments Number Customer Control Self All LEDs and numerical segments on the customer Test control will illuminate. Slew keys can be used to return to diagnostic mode selection. All other buttons can be used to toggle the status of the associated LED. Each 7-segment display will be incremented with any key press.
  • Page 67 https://appliancetechmanuals.com Diagnostic Code Mode Comments Number Fan Speed Test System fans are cycled ON in the following order: Fresh Food fan on for 5 seconds (F1) Freezer fan on for 5 seconds (F2) Condenser fan (rear) on for 5 seconds (F3) Condenser fan (front) on for 5 seconds (F4) (F#) shown in the display for each fan motor Sealed System 100%...
  • Page 68 https://appliancetechmanuals.com Extended Diagnostic Codes Service Code Number Mode Comments 50 and 51 Compressors Diagnostic codes 50 and 51 are used to turn on the compressors. Code 50 turns on the front compressor (Fresh Food section) and 51 turns on the rear compressor (Freezer section).
  • Page 69 https://appliancetechmanuals.com Service Code Number Mode Comments 52 and 53 Fresh Food Dampers - Diagnostic codes 52 and 53 operate the dampers in the Top and Bottom – Wine ZIW30 wine models. Code 52 will operate the top damper Unit and code 53 operates the bottom damper. The resistance or voltage can be read at the K120 connector, pins 1-4 for the bottom damper and pins 7-10 for the top damper.
  • Page 70 https://appliancetechmanuals.com Service Code Number Mode Comments Fresh Food Fan Diagnostic code 56 turns on the Fresh Food fan motor. When activated the main board sends 12 VDC to the fan motor on K107 pins 1-2 (brown to black). Pin 3 (PWM) should read 5 VDC to pin 2 (black to blue) if the fan motor is operating.
  • Page 71 https://appliancetechmanuals.com Service Code Number Mode Comments 58 and 59 Fan Condenser Diagnostic code 58 and 59 turns on the condenser fan Refrigerator motors. Code 58 operates the Fresh Food condenser fan motor (front) and 59 operates the Freezer condenser fan motor (rear). When activated the main board sends 12 VDC to the Freezer condenser fan motor on K108 pins 1-2 (brown to blue), and to the Fresh Food condenser fan motor pins 3-4 (black to white).
  • Page 72 https://appliancetechmanuals.com Service Code Number Mode Comments Fresh Food Strip and Diagnostic code 60 will turn on the strip LED lights in the Wall LEDs Fresh Food ceiling and the Fresh Food vegetable drawer, and the circular LED wall lights. This test will turn on these LEDs from dim to 100% within 3 seconds of activation.
  • Page 73 https://appliancetechmanuals.com Service Code Number Mode Comments 61 and 62 Freezer Strip LEDs Diagnostic code 61 & 62 will turn on the LED strips in the bottom 2 drawers. This test will turn on these strips from dim to 100% within 3 seconds of activation. Test 61 turns on the ice drawer LED strip and 62 turns on the convertible drawer LED strip.
  • Page 74 https://appliancetechmanuals.com Service Code Number Mode Comments Freezer Drain Heater Diagnostic code 65 turns on the Freezer defrost drain heater. When activated the main board sends 120 VAC to the drain heater from K106 pins 3-4 (white to black). The drain heater resistance (7200Ω) can also be checked from the same connection.
  • Page 75 https://appliancetechmanuals.com Service Code Number Mode Comments Freezer Evaporator Diagnostic code 67 turns on the Freezer evaporator Defrost Heater defrost heater. When activated the main board sends 120 VAC to the defrost heater from K106 pins 1-2 (white to black). The defrost heater resistance (85Ω) can also be checked from the same connection.
  • Page 76 https://appliancetechmanuals.com Service Code Number Mode Comments Freezer Mullion Heater Diagnostic code 69 turns on the Freezer mullion heater. When activated the main board sends 12 VDC to the mullion heater from K112 pins 3-4 (brown to blue). The mullion heater resistance (48Ω) can also be checked from the same connection.
  • Page 77 https://appliancetechmanuals.com Service Code Number Mode Comments Freezer Back Wall Diagnostic code 71 turns on the Freezer back wall heater Heater for wine mode. This heater is used on All convertible units. When activated the main board sends 120 VAC to the wall heater from K106 pins 5-6 (black to white).
  • Page 78 https://appliancetechmanuals.com Service Code Number Mode Comments 80, 81, and 84 Fresh Food Thermistors Diagnostic code 80, 81 and 84 displays the Fresh Food thermistor temperatures. 80 – Fresh Food Top Air Thermistor (ZIW30 wine reserve only). K114 9-10 brown 81 – Fresh Food Bottom Air Thermistor - all units. K114 7-8 black 84 –...
  • Page 79 https://appliancetechmanuals.com Service Code Number Mode Comments 82, 83, and 85 Freezer Thermistors Diagnostic code 82, 83 and 85 displays the Freezer thermistor temperatures. 82 – Freezer Top Air (ice drawer) Thermistor - K119 9-10 black 83 – Freezer Bottom Air (convertible drawer) Thermistor - K119 7-8 white 85 –...
  • Page 80 https://appliancetechmanuals.com Service Code Number Mode Comments Refrigerator Door, Diagnostic code 86 checks the door/drawers reed Freezer and Convertible sensors. This test will display door and drawer status in Drawers, and Icemaker, the temperature display. The control will display the door Status Sensors status as either open O or closed C.
  • Page 81 https://appliancetechmanuals.com Icemaker and Water Valve Control Diagnostics The icemaker and water valve connects to the main board but the main board does not control ice production or water valve operation. The consumer does have the ability to turn the icemaker off thru the customer control.
  • Page 82 https://appliancetechmanuals.com Note: The schematic includes an index to identify individual components, locations and use. Temperature sensors are identifi ed by T and reed switches by R in the fi rst letter designation. The second letter will identify the compartment location of the component and the third letter identifi...
  • Page 83 48 mainland states, Hawaii, Washington, D.C. or Canada. If the product is located in an area where service by a GE Authorized Servicer is not available, you may be responsible for a trip charge or you may be required to bring the product to an Authorized GE Service location for service.

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