Error code reference
KitchenAid Dishwasher Error Code 9-3
Diverter disk missing from sump.
Diverter disk missing from sump.
First step from the service manual
1
Remove lower spray arm, turbo zone assembly, rear feed tube and outlet cover; verify the round diverter disk is installed.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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9-3 on my KitchenAid KDTE334GPS
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Diverter disk missing from sump
From Tech Sheet W12880979, p.31:
1.Remove lower spray arm, turbo zone assembly, rear feed tube and outlet cover; verify the round diverter disk is installed.
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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