What F3E3 means
The dryer detected a problem with the inlet thermistor.
Also shown as: F3 E3, depending on the model.
Likely causes
- Thermistor or wiring fault
Safe first checks
- Turn the breaker(s) off for 1 minute, back on, and start a Timed Dry cycle.
When to stop
If F3E3 returns, schedule service.
Checked against: Whirlpool Product Help: F3 E3 dryer. Codes can differ by model and year, so confirm with your owner's manual.