Thermistor or OWI sensor problem

What does 3-1 mean?

The thermistor or Optical Water Interface (OWI) sensor has a problem. This sensor monitors water temperature and clarity.

• Faulty thermistor or OWI sensor
• Loose sensor connection
• Sensor circuit issue

Click steps to track your progress.

1. 1

   Unplug the dishwasher or disconnect power.

2. 2

   Check the sensor connections for looseness or corrosion.

3. 3

   Test the sensor resistance with a multimeter (refer to service manual for specifications).

4. 4

   Replace the sensor if it is faulty.