Error code reference

Kenmore Dishwasher Error Code 6-4

Float switch open; overfill switch stuck in open position and/or dishwasher not level; drain hose check valve not sealing; fill valve triac on control shorted; fill valve mechanically stuck open.

SourceKenmore Elite 2013 Tall Tub Dishwashers - Full Service Manualp. 4-9

Diagnostic procedure

The full 6-4 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
1
First diagnostic step
Remove any items stuck under float. Verify float moves freely and you hear the click of the switch contacts. Check levelness. Measure switch resistance.

SourceKenmore Elite 2013 Tall Tub Dishwashers - Full Service Manualp. 4-9

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

1 manual in the MyPros+ library documents this code for Kenmore dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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