Error Code: Refrigerator Difficulty: Moderate
Problem: Defrost termination thermostat fault causing incomplete defrost cycles
How to Fix Refrigerator Error
- UNPLUG unit and initiate manual defrost until all ice melts.
- Remove evaporator cover panel in freezer.
- Locate defrost thermostat clipped to top of evaporator coil (small cylindrical device with 2 wires).
- Test thermostat when cold/frozen – should read closed (<1 ohm).
- Warm thermostat to room temperature with hair dryer – should open (OL) at approximately 50-60°F.
- Replace if fails to open when warm or remains open when cold.
- Install new thermostat in EXACT same location as original – critical for proper defrost cycle timing.
- Monitor for 3 complete defrost cycles to verify heater shuts off when evaporator reaches proper temperature.
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Recommended Replacement Part
When It’s Better to Replace Than Repair
Refrigerator repairs can become costly when sealed-system, control, defrost, fan, or ice-maker issues repeat.
Confirm width, height, depth, door swing, counter-depth needs, water line, and delivery path before ordering.
For repair parts, verify exact fit with the full refrigerator model number before buying; these links are general replacement-appliance shopping options.
- [OK]Water inlet valve, ice maker, or fan failures keep returning
- [OK]Defrost heater, thermostat, or sensor faults stack up
- [OK]Compressor or sealed-system repair is not economical
- [OK]Food-loss risk is becoming a pattern
Recommended Refrigerator Replacement Options
As an Amazon Associate, we earn from qualifying purchases.
When It’s Better to Replace Than Repair
Refrigerator repairs can become costly when sealed-system, control, defrost, fan, or ice-maker issues repeat.
Confirm width, height, depth, door swing, counter-depth needs, water line, and delivery path before ordering.
For repair parts, verify exact fit with the full refrigerator model number before buying; these links are general replacement-appliance shopping options.
- [OK]Water inlet valve, ice maker, or fan failures keep returning
- [OK]Defrost heater, thermostat, or sensor faults stack up
- [OK]Compressor or sealed-system repair is not economical
- [OK]Food-loss risk is becoming a pattern
Recommended Refrigerator Replacement Options
As an Amazon Associate, we earn from qualifying purchases.
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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