⚠️ 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 – optical water indicator fault
How to Fix Dishwasher Error
- Disconnect power at the circuit breaker.
- Remove the lower access panel.
- Locate the OWI (optical water indicator) sensor near the wash arm.
- Disconnect the electrical onnector from the sensor.
- Test sensor resistance with a multimeter (should not read zero ohms).
- Inspect the sensor lens for mineral buildup or cloudiness.
- Clean the sensor lens with vinegar solution and a soft cloth.
- If the sensor is electrically shorted, remove mounting screws.
- Install the new OWI sensor assembly.
- Reconnect the electrical connector and run sensor calibration.
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.
⚡ Don’t Risk a DIY Fail!
Get the ‘Secret Service Mode’ Cheat Sheet for your Maytag model. Includes an easy-to-read list of every error code and quick diagnostic tips.
✅ Join 15,000+ DIYers • Instant PDF Download
Browse More Codes
📖 View All Error Codes
Most DIY parts are $50–$250. If you have a quote, use the total.
More options (for a better recommendation)
Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →
Leave a Reply