Jenn-Air Dishwasher F3-E1 Error: Water Temp Sensor Fail
What Does Jenn-Air Dishwasher Error Code F3-E1 Mean? Error code F3-E1 on a Jenn-Air dishwasher means the water temperature sensor has failed. This sensor — a thermistor located in the sump area — tells the control board the water temperature so it can heat the water appropriately for each cycle. Common Causes The thermistor is […]
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Yes. The dishwasher is safe to use but wash quality may be reduced. Run hot water at the sink before starting to ensure hot water enters the dishwasher.
Can I reset the code?
Yes. A reset clears the error. If the sensor is permanently faulty, the code will return.
When to stop immediately?
Stop if you notice: Dishes are not getting clean at all, Water in the tub feels cold during a cycle.
Symptoms You May Notice
Dishes come out greasy or poorly cleaned
Water is not being heated to the proper temperature for effective cleaning.
Cycle takes much longer than normal
The dishwasher extends the cycle waiting for water to reach a temperature it cannot verify.
Sanitize cycle will not complete
The sanitize option fails because the control cannot confirm the required temperature was reached.
Possible Causes
Failed thermistor sensor
The NTC thermistor in the sump has drifted out of calibration or has an open circuit.
Requires ProfessionalDamaged sensor wiring
The wire connecting the sensor to the control board has a break or poor connection.
Requires ProfessionalSafe Checks You Can Do
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1
Run a hot water check
Before starting the dishwasher, run the kitchen faucet until the water is hot, then start a cycle.
If dishes clean well with pre-heated water, the heating element works but the sensor is faulty.
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2
Power cycle
Turn off the breaker for 5 minutes and run a normal cycle.
A temporary sensor glitch may clear with a reset.
When to Call a Professional
Contact a qualified technician if:
- Sensor resistance is out of specification
- Wiring to sensor shows damage
- Sensor connector is corroded
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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