f4 e1
Moderate
Whirlpool · Dryers
Heater Relay Failure
Quick Answer
Error code F4 E1 on your Whirlpool Dryers means: Heater Relay Failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Unplug the dryer immediately as a stuck-closed relay can cause continuous heating which is a fire hazard
2
Access the main control board and inspect the heater relay for signs of overheating or welding
3
Check the wiring connections at the heating element and control board for loose or burned wires
4
Test the heater relay for proper switching operation using a multimeter
5
Replace the main control board if the heater relay is defective
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Main control board (W10174745)
High-limit thermostat (as safety check)
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