Whirlpool F3E2 — Moisture sensor bar failure

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TUMBLE DRYERS FAULT CODE · WHIRLPOOL

F3E2

MOISTURE SENSOR BAR FAILURE

What code F3E2 means on a Whirlpool tumble dryers, what causes it, and which part to check first.

● SEVERITY: HIGH
Whirlpool Tumble dryers
In short

Whirlpool F3E2 means: Moisture sensor bar failure. 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.

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What F3E2 means

Moisture sensor bar failure

WHAT YOU SEE ON THE APPLIANCE

The display shows F3E2 and the machine stops until the fault is cleared.

02

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
03

Replacement parts

06

Tools you'll need

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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.

05

What to check, in order

From the quickest check to the one that needs a technician.

1
Unplug the machine.
2
Clean the lint filter and the condenser — lint is the single most common cause.
3
Check the exhaust duct is clear along its whole length.
4
Check the door closes properly and the drum turns freely by hand.
5
If the fault returns, the part named above needs testing with a multimeter.
Appliance technician checking wiring and connections with a multimeter
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Find a specialist

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Frequently asked questions

What does F3E2 mean on a Whirlpool?

Moisture sensor bar failure 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 F3E2 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.

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Other Whirlpool codes

Written by TroubleAtlas Technical Team · Last verified: · How we verify — methodology · Sources: easybear-appliancerepair.com
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