⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Dishwasher Difficulty: Easy
Problem: Shorted thermistor/OWI sensor
How to Fix Dishwasher Error
- Disconnect power at the circuit breaker.
- Remove the lower access panel.
- Locate the turbidity sensor (OWI) near the wash arm assembly.
- Disconnect the electrical connector from the sensor.
- Test sensor resistance with a multimeter (should not read zero ohms).
- If the sensor is shorted, remove mounting screws securing it to the tub.
- Clean the sensor lens with vinegar solution and soft cloth.
- If cleaning doesn’t resolve the issue, install the new OWI sensor assembly.
- Reconnect the electrical connector.
- Run a diagnostic cycle to verify sensor operation.
Recommended Replacement Part
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
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