HRSerious
Frigidaire Refrigerator HR Error Code
The control board has detected a problem with the defrost heater relay circuit.
Common causes
- Defective defrost heater
- Faulty relay on control board
- Short or open in heater wiring
How to fix it
- Unplug refrigerator and test defrost heater continuity (should be low resistance).
- Check for broken wires at heater connections.
- Inspect defrost thermostat for continuity when cold.
⚠ When to call a pro: If heater and thermostat test good, the relay on the control board likely needs replacement (board).
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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.