Error code reference

Whirlpool Dishwasher Error Code F6-E4

Float switch open - overfill switch stuck in overfill position, dishwasher not level, drain hose check valve not sealing, fill valve triac shorted, fill valve mechanically stuck open, too many suds, or open fuse to fill valve.

SourceWhirlpool Dishwasher - Tech Sheet: Control & Electrical Service (W10867183)p. 9

Whirlpool codes Whirlpool dishwasher codes

Diagnostic procedure

The full F6-E4 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.

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First diagnostic step

Remove any items stuck under the float. Verify that the float moves freely and hear click of the switch contacts. Check/adjust levelness of the dishwasher.

SourceWhirlpool Dishwasher - Tech Sheet: Control & Electrical Service (W10867183)p. 9

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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

17 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 F6-E4 procedure

Where this code is documented

Models covered by the manuals that document this code

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