Main Control Board, Electronic Control Board, Motherboard, PCB Assembly, Control Module, PCBA, Muthaboard

WG03F08900, WG03F08032, WG03F07630, WG03F08617, WR55X10968, WR55X10942, WR55X10943, WR55X10944, WR55X10945, WR55X10946, WR55X10947, WR55X10948, 1155395, AH12074058, EA12074058

GE, General Electric, Hotpoint, RCA, Westinghouse, Monogram, Café, Profile, Moffat, Sears, McClary

GEGFE26JSMSS, GFE26JSMWW, GFE26JSMBB, GFE26JSMCC, GFE28JSMSS, GFE28JSMWW, GFE28JSMBB, GFE28JSMCC, GFE29JSMSS, GFE29JSMWW, GFE29JSMBB, GFE29JSMCC, GFE26HSMSS, GFE26HSMWW, GFE26HSMBB, GFE26HSMCC, GFE28HSMSS, GFE28HSMWW, GFE28HSMBB, GFE28HSMCC, GNE25JSKSS, GNE25JSKWW, GNE25JSKBB, GNE25JSKCC

General ElectricGTE18JSMSS, GTE18JSMWW, GTE18JSMBB, GTE18JSMCC, GTE20JSMSS, GTE20JSMWW, GTE20JSMBB, GTE20JSMCC, GTE22JSMSS, GTE22JSMWW, GTE22JSMBB, GTE22JSMCC, GTE18HSMSS, GTE18HSMWW, GTE18HSMBB, GTE18HSMCC, GTE20HSMSS, GTE20HSMWW, GTE20HSMBB, GTE20HSMCC

HotpointHFE26JSMSS, HFE26JSMWW, HFE26JSMBB, HFE26JSMCC, HFE28JSMSS, HFE28JSMWW, HFE28JSMBB, HFE28JSMCC, HFE29JSMSS, HFE29JSMWW, HFE29JSMBB, HFE29JSMCC, HTE18JSMSS, HTE18JSMWW, HTE18JSMBB, HTE18JSMCC

RCARFE26JSMSS, RFE26JSMWW, RFE26JSMBB, RFE26JSMCC, RFE28JSMSS, RFE28JSMWW, RFE28JSMBB, RFE28JSMCC, RTE18JSMSS, RTE18JSMWW, RTE18JSMBB, RTE18JSMCC

WestinghouseWFE26JSMSS, WFE26JSMWW, WFE26JSMBB, WFE26JSMCC, WFE28JSMSS, WFE28JSMWW, WFE28JSMBB, WFE28JSMCC

MonogramZFE26JSMSS, ZFE26JSMWW, ZFE26JSMBB, ZFE26JSMCC, ZFE28JSMSS, ZFE28JSMWW, ZFE28JSMBB, ZFE28JSMCC

CaféCFE26JSMSS, CFE26JSMWW, CFE26JSMBB, CFE26JSMCC, CFE28JSMSS, CFE28JSMWW, CFE28JSMBB, CFE28JSMCC

ProfilePFE26JSMSS, PFE26JSMWW, PFE26JSMBB, PFE26JSMCC, PFE28JSMSS, PFE28JSMWW, PFE28JSMBB, PFE28JSMCC

MoffatMFE26JSMSS, MFE26JSMWW, MFE26JSMBB, MFE26JSMCC, MFE28JSMSS, MFE28JSMWW, MFE28JSMBB, MFE28JSMCC

Sears795.79542900, 795.79542901, 795.79542902, 795.79542903, 795.79542904, 795.79543900, 795.79543901, 795.79543902, 795.79543903, 795.79543904, 795.79544900, 795.79544901, 795.79544902, 795.79544903, 795.79544904

McClaryMCE26JSMSS, MCE26JSMWW, MCE26JSMBB, MCE26JSMCC, MCE28JSMSS, MCE28JSMWW, MCE28JSMBB, MCE28JSMCC

Professional Repair Time: 45-60 minutes
DIY Repair Time: 60-90 minutes
Difficulty Rating: Advanced (4/5) — Requires advanced technical knowledge, careful handling of electronic components, precise reconnection of multiple electrical connectors, attention to detail, connector identification expertise

CRITICAL WARNING: This is an advanced repair requiring careful handling of electronic components and precise reconnection of multiple electrical connectors. If you are not comfortable working with electronic components or do not have the required tools, hire a professional appliance repair technician. Improper installation can cause electrical damage, component failure, or personal injury.

1. Turn off power to the refrigerator at the circuit breaker to ensure complete power disconnection.
2. Unplug the refrigerator from the wall outlet for additional safety.
3. Verify power is off by attempting to turn on the refrigerator light. The light should not illuminate.
4. Move the refrigerator away from the wall to provide access to the back panel and control board area.
5. Take multiple photos of the control board location, mounting, all electrical connector positions, and wire routing before disassembly. Document from multiple angles. This is absolutely critical for proper reassembly. Use a camera or smartphone to capture high-quality images.
6. Create a detailed connector map by photographing each connector and labeling it with its function (compressor, condenser fan motor, evaporator fan motor, defrost heater, ice maker, water valve, door switch, temperature sensor, display panel, etc.). Use masking tape to label each connector as you photograph it.
7. Remove the back panel by locating and removing the screws securing it (typically 8-12 screws).
8. Locate the main control board (typically mounted on the back wall of the refrigerator or inside a recessed compartment near the top or bottom).
9. Take additional detailed photos of all electrical connectors before disconnecting. Photograph each connector from multiple angles to capture the connector type, orientation, wire colors, and pin positions.
10. Disconnect all electrical connectors from the old control board by pressing the locking tabs and pulling the connectors straight off. Do not pull on the wires—grasp the connector bodies. Label each connector with masking tape indicating its function and original position.
11. Verify all connectors are disconnected by attempting to gently move the control board. The board should not be attached to any connectors.
12. Locate the control board mounting bracket that secures the board to the refrigerator frame (typically 2-4 mounting screws or clips).
13. Remove the mounting screws or clips using a Phillips screwdriver or nut driver.
14. Carefully remove the old control board from the refrigerator and place it on a clean work surface with adequate space for inspection.
15. Inspect the old control board for visible damage such as burned components, cracked solder joints, corrosion, discoloration, bulging capacitors, or burned areas. This confirms the diagnosis.
16. Inspect the control board mounting location on the refrigerator frame for damage, corrosion, or debris. Clean the mounting area if necessary using a dry cloth.
17. Unpack the new WG03F09823 control board from its packaging. Handle carefully to avoid damaging the board or components. Avoid touching the circuit board surface or electronic components.
18. Verify the control board specifications match the old board: board dimensions approximately 8-10 inches x 5-7 inches, connector types and positions, mounting bracket design, relay positions.
19. Compare the new control board to the old one to verify the dimensions, connector positions, mounting holes, and overall appearance match. Ensure you have the correct replacement part.
20. Inspect the new control board for any damage or defects before installation. The board should be intact with no visible damage, burned components, or cracked solder joints.
21. Position the new control board on the refrigerator frame, aligning the mounting holes with the bracket or frame mounting points.
22. Install the mounting screws or clips to secure the board to the refrigerator frame. Tighten gently but firmly—do not overtighten, which can crack the board or mounting bracket.
23. Verify the control board is securely mounted and does not wobble or shift when gently pressed.
24. Reconnect all electrical connectors to the new control board by pushing each connector straight onto the board terminals until it clicks into place. Use your labeled connectors and detailed photos to ensure correct connector placement.
25. Verify each connector is fully seated by gently tugging on the connector. The connector should not pull off—it should be firmly seated.
26. Double-check all connector connections by comparing your installation to your detailed photos. Verify each connector is in the correct position and fully seated.
27. Verify no connectors are loose or partially seated by visually inspecting all connections. All connectors should be flush against the control board.
28. Reinstall the back panel by securing it with the mounting screws.
29. Restore power at the circuit breaker and plug in the refrigerator.
30. Turn on the refrigerator and observe the display panel. The display should illuminate and show the current temperature settings.
31. Verify the compressor activates by listening for the compressor motor to start. The compressor should activate within 5-10 minutes of power restoration.
32. Monitor the refrigerator for 30 minutes to verify proper operation. The compressor should cycle on and off normally, and the refrigerator should begin cooling.
33. Verify the temperature in both the fresh food and freezer compartments after 2-4 hours. The fresh food section should reach approximately 35-40°F and the freezer section should reach approximately 0°F or below.
34. Test all electronic functions including interior lights, door alarms, ice maker (if equipped), water dispenser (if equipped), and display panel controls.
35. Listen for unusual noises from the compressor or other components. The refrigerator should operate quietly without grinding, squealing, or rattling sounds.
36. Monitor the refrigerator for 24-48 hours to ensure the control board operates properly without issues.

Safety Notes: Always turn off power at the circuit breaker and unplug the refrigerator before working on it to prevent electrical shock. Handle electronic components carefully to avoid damaging sensitive circuits. Do not touch the circuit board surface or electronic components with bare hands—use an anti-static wrist strap if available. Ensure all electrical connectors are fully seated and secure before restoring power. This repair requires advanced technical knowledge and careful attention to detail—most homeowners should hire a professional appliance repair technician for this repair.

1. Document every connector with detailed photos and create a connector map before disconnecting. Take high-quality photos of each electrical connector from multiple angles, capturing the connector type, orientation, wire colors, and pin positions. Create a detailed connector map or reference guide with labels for each connector function (compressor, condenser fan, evaporator fan, defrost heater, ice maker, water valve, door switch, temperature sensor, display panel, etc.). This documentation is critical for ensuring correct reconnection and avoiding costly mistakes.
2. Use masking tape to label each connector immediately after photographing it. As you photograph each connector, immediately label it with masking tape indicating its function and original position. This prevents confusion during reassembly and ensures correct connector placement. Keep the labeled connectors organized and in order as you disconnect them.
3. Verify connector orientation and pin alignment before reconnection. Some connectors can be inserted in the wrong orientation, which will prevent proper board operation or cause component damage. Compare each connector orientation to your reference photos before reconnecting. The connector should insert smoothly without forcing. If a connector does not insert smoothly, stop and verify the orientation is correct.
4. Test the old control board with a multimeter before ordering a replacement. Use a multimeter set to voltage mode to test for power at the control board connectors. A functioning board should show 120V AC at the power input connector. Zero voltage indicates a burned-out board. Infinite resistance at relay terminals indicates relay failure. Testing prevents unnecessary board replacement.
5. Inspect all capacitors for signs of failure before concluding the board is faulty. Electrolytic capacitors commonly fail in control boards, causing loss of cooling or other functions. Look for bulging, leaking, or burned capacitors on the board. Bulging or leaking capacitors indicate board failure and require replacement. A single failed capacitor can disable the entire board.
6. Allow the refrigerator to cool for 2-4 hours before evaluating performance. After installing the new control board, allow the refrigerator to run for 2-4 hours before checking temperatures. The fresh food section should reach approximately 35-40°F and the freezer section should reach approximately 0°F or below. Premature evaluation may result in incorrect diagnosis.
7. The control board manages multiple refrigerator functions simultaneously through relay circuits. The control board controls the compressor, condenser fan, evaporator fan, defrost heater, ice maker, water valve, interior lights, door alarms, and display panel through individual relay circuits. Each relay controls a specific component. If multiple functions are not working after board replacement, verify all connectors are properly seated and the power input connector is secure.
8. Defrost cycles typically occur every 8-12 hours of compressor runtime. After installing the new control board, listen for the defrost heater to activate approximately 8-12 hours after power restoration. During defrost, you may hear the compressor shut off and a heating element activate. This is normal operation. If defrost does not occur within 12 hours, the defrost heater, defrost sensor, or control board may be faulty.
9. The control board communicates with temperature sensors throughout the refrigerator via analog input circuits. Temperature sensors in the fresh food and freezer compartments send voltage signals to the control board, which interprets these signals and adjusts compressor and fan operation to maintain optimal temperatures. If the refrigerator does not cool properly after board replacement, verify the temperature sensors are connected and functioning correctly by testing with a multimeter.
10. This repair is cost-effective compared to refrigerator replacement. The cost of control board replacement ($140-220) is far less than the cost of a new refrigerator ($1,200-3,000+). Replace the control board promptly when failure is detected to prevent the need for expensive refrigerator replacement and to restore proper cooling and all electronic functions.

• Refrigerator not cooling at all (compressor not running)
• Refrigerator cooling but not maintaining proper temperature
• Compressor running continuously without cycling off
• Defrost cycle not activating (excessive frost buildup)
• Ice maker not producing ice
• Water dispenser not dispensing water
• Interior lights not working
• Door alarms not sounding
• Error codes displayed on display panel
• Refrigerator making unusual noises
• Refrigerator shutting off unexpectedly
• Temperature display not working
• Control panel buttons not responding
• Compressor not starting after power restoration
• Refrigerator running but not cooling properly
• Condenser fan not running
• Evaporator fan not running
• Defrost heater not activating