F3E2 Turbidity sensor error - wash water clarity
The Whirlpool F3E2 error code on your dishwasher indicates: Turbidity sensor error - wash water clarity. This typically requires troubleshooting the turbidity system.
What Causes This Error
Turbidity/soil sensor dirty
highThe optical sensor that measures water clarity is coated with grease or film.
Sensor wiring issue
mediumThe connection to the turbidity sensor is loose or damaged.
Sensor failure
mediumThe optical sensor itself has failed and needs replacement.
How to Fix Error F3E2
- 1
Clean the sensor
Locate the turbidity sensor (usually at the bottom of the dishwasher tub, near the sump). Clean it with a soft cloth and vinegar to remove grease film.
- 2
Run an empty hot cycle with vinegar
Place a cup of white vinegar on the top rack and run a hot cycle empty. This cleans internal residue that may be affecting the sensor.
- 3
Check wiring connections
Unplug the appliance and check the sensor's wire connector for corrosion or looseness.
- 4
Replace the sensor
If cleaning doesn't help, the sensor may need replacement. It's usually held by one screw at the bottom of the tub.
Replacement Parts
If the steps above don't fix it, you may need one of these parts:
Turbidity Sensor
$15-$40When to Call a Professional
If the sensor has been replaced and the error continues
- May indicate a main control board issue
- Persistent water quality issues may have another root cause