F3E3
What code F3E3 means on a Whirlpool tumble dryers, what causes it, and which part to check first.
● SEVERITY: HIGH
Whirlpool F3E3 means: Inlet thermistor open or shorted. The documented cause is: Main control board component failure(common) — Internal relay, capacitor, or processor failure on the main board prevents the dryer from operating.
What F3E3 means
Inlet thermistor open or shorted
The display shows F3E3 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by easybear-appliancerepair.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Main control board component failure(common) — Internal relay, capacitor, or processor failure on the main board prevents the dryer from operating |
| Power surge damage(occasional) — Voltage spikes from lightning or grid problems damage sensitive control board components |
| Dryers on 240V circuits are particularly vulnerable |
| Loose control board connections(rare) — Vibration over time loosens wire harness connectors on the control board, mimicking a board failure |
| Professional Repair |
| Estimated Cost |
| Repair Time |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine before removing any panel. Lint is flammable: never run a dryer with the filter removed, and clear the duct if the code points to airflow.
What to check, in order
From the quickest check to the one that needs a technician.

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Frequently asked questions
What does F3E3 mean on a Whirlpool?
Inlet thermistor open or shorted The documented cause is: Main control board component failure(common) — Internal relay, capacitor, or processor failure on the main board prevents the dryer from operating. · Power surge damage(occasional) — Voltage spikes from lightning or grid problems damage sensitive control board components. Dryers on 240V circuits are particularly vulnerable. · Loose control board connections(rare) — Vibration over time loosens wire harness connectors on the control board, mimicking a board failure. · Professional Repair · Estimated Cost · Repair Time
Can I fix F3E3 myself?
It depends on the part involved: Main control board component failure(common) — Internal relay, capacitor, or processor failure on the main board prevents the dryer from operating. · Power surge damage(occasional) — Voltage spikes from lightning or grid problems damage sensitive control board components. Dryers on 240V circuits are particularly vulnerable. · Loose control board connections(rare) — Vibration over time loosens wire harness connectors on the control board, mimicking a board failure. · Professional Repair · Estimated Cost · Repair Time Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Whirlpool use other codes on this appliance?
Yes: we document 14 other codes for Whirlpool on this tumble dryers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

