Whirlpool · Dishwashers
Whirlpool Dishwasher F3E2: Thermistor or OWI Sensor
THE SHORT ANSWER
Whirlpool points to the thermistor or optical water indicator sensor.
F3E2: Whirlpool points to the thermistor or optical water indicator sensor.
Record the complete F3E2 display before resetting the dishwasher.
Do not touch wet electrical connections or remove control, pump, or heater panels.
WHAT YOU MAY NOTICE
Symptoms to record
- The display reports F3E2.
UNDERSTAND THE POSSIBILITIES
Causes & useful observations
A code identifies a condition. It does not, by itself, confirm which part needs repair.
| Possible cause | What to look for | Safe check / next step |
|---|---|---|
| Thermistor or OWI SensorService may be needed | This sensor-related code requires diagnosis if a power reset does not clear it. | Have a qualified technician diagnose the reported system; the display does not identify a replacement part. |
WORK THROUGH THE BASICS
Safe troubleshooting checks
Use the checkboxes to keep track as you read. Stop at any warning or step that does not match your appliance.
If the appliance and its surroundings are dry and undamaged, disconnect power at the appropriate breaker for 30 seconds, then restore it.
What to noteObserve whether the code returns.
Give the service provider F3E2, the model number, and when the message appeared.
What to noteThe reported system can be diagnosed for this model.
THE DETAILS MATTER
Scope & troubleshooting notes
Before choosing instructions
Match the appliance family and complete display to the source; an identical code on another appliance can mean something different.
YOUR NEXT DECISION
When to stop and get help
Request service if F3E2 remains or returns after the supported checks.
THE EVIDENCE
Sources & verification
Our explanations are editorial summaries of the documentation below. They do not replace the instructions for your exact appliance.
- F3E2- Dishwasher
Whirlpool · Manufacturer support · Checked
Code meaning and Possible Solutions — Whirlpool dishwashers covered by the cited support article; meanings can differ on older platforms.