Whirlpool Dryer Error Code F3E1
Outlet (exhaust) thermistor open or shorted
F3E1 means the outgoing/outlet thermistor that monitors exhaust temperature is reading open or out of range, so the control cannot regulate heat. The dryer may run cool, run long, or stop.
What Does Error Code F3E1 Mean on a Whirlpool Dryer?
Outlet (exhaust) thermistor open or shorted.
F3E1 means the outgoing/outlet thermistor that monitors exhaust temperature is reading open or out of range, so the control cannot regulate heat. The dryer may run cool, run long, or stop.
What Causes Error Code F3E1?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Outlet thermistor open or shorted 65% of cases
- 2 Connector at the thermistor loose 20% of cases
- 3 Wiring to the thermistor damaged 10% of cases
- 4 Control board sensor input fault 5% of cases
How to Fix Whirlpool Dryer Error Code F3E1
- 1
Power cycle the dryer
Turn off the breaker for one minute, then restart.
- 2
Test the thermistor
Measure the outlet thermistor resistance against spec (roughly 10k ohms at room temperature). An open reading means a failed thermistor.
🔩 Multimeter - 3
Reseat the connector
Reconnect the thermistor plug if it is loose.
⚠️ Unplug before accessing the thermistor. - 4
Replace the thermistor
Replace the outlet thermistor if it tests open or out of range.
🔩 Whirlpool dryer thermistor ($15–$40)
How to Reset Error Code F3E1
Power down at the breaker for one minute. If F3E1 returns, test and replace the outlet thermistor.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
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Thanks for letting us know. If the steps above didn't work, see when to call a professional.
When to Call a Professional
If a new thermistor reads correctly but F3E1 persists, the control board sensor input has failed.
Related Error Codes
Same Code on Other Brands
Error code F3E1 appears on these other brands too. See every brand that shows F3E1 →
Find Replacement Parts
Use these links to find the exact replacement parts for your Whirlpool Dryer:
External links — ApplianceErrors.com is not affiliated with these retailers.
More Whirlpool Dryer Error Codes
Frequently Asked Questions
What does error code F3E1 mean on a Whirlpool Dryer? +
How do I fix error code F3E1 on my Whirlpool Dryer? +
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Sources & References
- • Whirlpool Product Help — official manufacturer documentation
- • Our editorial & verification policy
Content verified against manufacturer service documentation. Last verified: June 10, 2026.