⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Refrigerator Difficulty: Hard
Problem: Communication error between main control board and display/interface board
How to Fix Refrigerator Error
- Unplug refrigerator from electrical power for 10 minutes to reset all electronics.
- Remove top panel, control console, and rear access panel to expose all internal wiring harnesses.
- Reseat every connector between main control board (rear compartment) and display board (front console).
- Clean all connector pins with electrical contact cleaner and lint-free swab. Allow 5 minutes drying time.
- Inspect entire harness routing for pinched wires, rodent damage, or abrasion near metal edges.
- Check ground connections at both boards for tightness and corrosion. Clean and tighten as needed.
- If error persists after reseating: replace main control board using OEM part DA92-00125A.
- Transfer all connectors to new board one-by-one. Secure board with mounting screws to 4 in-lbs torque.
- Restore power. Enter diagnostic mode per model instructions to verify communication with display and all sensors.
- Run full system diagnostic test sequence to confirm error clearance and proper operation of all subsystems.
Recommended Replacement Part
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Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
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