F03Serious
Amana Refrigerator F03 Error Code
The defrost cycle has failed. Evaporator coils may be frosted, causing poor cooling.
Common causes
- Defective defrost heater
- Failed defrost thermostat
- Faulty defrost control board or timer
How to fix it
- Unplug and check the defrost heater for continuity (should read ~10-50 ohms).
- Check the defrost thermostat (cutout at ~50°F).
- Replace the failed component.
⚠ When to call a pro: If you are unsure about testing components or the defrost board is integrated, call a technician.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.