F05Serious
Whirlpool Dryer F05 Error Code
The heater relay on the control board is stuck closed, causing continuous heat and potential overheating.
Common causes
- Failed relay on control board
- Short circuit on heater circuit
How to fix it
- Unplug dryer immediately to prevent overheating.
- Inspect wiring for shorts or burns near heater and relay.
- Replace control board if relay is confirmed stuck.
⚠ When to call a pro: Call a technician; this involves high voltage and fire risk.
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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.