Error code reference

Jenn-Air Dishwasher Error Code 6-4

Float switch open: overfill switch stuck in 'Overfill' (open) position and/or dishwasher not level.

SourceJennair Dishwasher JDB8500AWX3 - Tech Sheet: Diagnostics & SchematicsPage 2 - Service Error Codes Table

Jenn-Air codes Jenn-Air dishwasher codes

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

First diagnostic step

Remove any items stuck under float. Verify that the float moves freely and you hear the 'click' of the switch contacts. Check levelness of dishwasher. Measure switch resistance (see Fill Strip Circuit diagram).

SourceJennair Dishwasher JDB8500AWX3 - Tech Sheet: Diagnostics & SchematicsPage 2 - Service Error Codes Table

Unlock with pass

More steps, wiring diagram references, and verified part numbers

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

Unlock 6-4 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

2 manuals in the MyPros+ library document this code for Jenn-Air dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax

The full 6-4 procedure

Where this code is documented

Models covered by the manuals that document this code

Related Jenn-Air dishwasher error codes