Error code reference

Whirlpool Dishwasher Error Code F8E4

Overfill switch open; damaged harness, overfill switch unplugged, water in drip pan under unit, overfill switch stuck in open/up position, drain issue, fill valve mechanically stuck open, fill valve TRIAC on control shorted, unit not level, air pressure surges, or too many suds.

SourceWhirlpool 24" Filtration Dishwasher - Service Manual (W11777856)p. 59-62

Whirlpool codes Whirlpool dishwasher codes

Diagnostic procedure

The full F8E4 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check for damaged wire harness and connector. Remove access panel and inspect overfill switch assembly. Ensure connector is fully seated.

SourceWhirlpool 24" Filtration Dishwasher - Service Manual (W11777856)p. 59-62

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

8 manuals in the MyPros+ library document this code for Whirlpool dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full F8E4 procedure

Where this code is documented

Models covered by the manuals that document this code

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