Error code reference
Whirlpool Dishwasher Error Code F3-E3
OWI calibration failure; OWI failure or drain hose check valve not sealing allowing dirty water back into…
OWI calibration failure; OWI failure or drain hose check valve not sealing allowing dirty water back into dishwasher.
First step from the service manual
Run Service Diagnostics to check OWI operation. OWI should see low soil with clear water. Check OWI lens surface and clean if needed. Check all connections in Soil Sensing circuit with meter.
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
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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