Error code reference
KitchenAid Dishwasher Error Code F6E3
Suds or air detected in pump
Suds or air detected in pump - too many suds, bowls or pots capturing wash water, water leaking, or diverter disk in sump missing.
First step from the service manual
1
Allow unit to fill and wash for 1 minute. Open door and check for excessive sudsing. Confirm using proper dishwasher detergent.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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F6E3 on my KitchenAid KDTE334GPS
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Suds or air detected in pump - too many suds
From Tech Sheet W17077328, p.20:
1.Allow unit to fill and wash for 1 minute. Open door and check for excessive sudsing. Confirm using proper dishwasher detergent.
2.Measure drain pump winding resistance at connector J7 on the main control. Expected: 12 to 16 ohms at room temperature.
3.Back-probe the pump driver output under load. Verify the board switches the pump at 120 VAC during the drain portion of the cycle.
Part W10876537
Drain pump assembly
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