Error code reference

Whirlpool Dishwasher Error Code 3-3

OWI calibration failure

OWI calibration failure — faulty OWI sensor or dirty lens, or drain check valve not sealing allowing dirty water back into dishwasher.

First step from the service manual

Run service diagnostics to verify OWI function; OWI should indicate low soil with clean water.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
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