JennAir Wall Oven Code F01: oven temperature sensor reading is off

What F01 means

JennAir built-in wall ovens including the JJW2830DS and JJW2427DS show F01 when there may be a problem with the oven temperature sensor, the control, or the wiring that links them. The control relies on that sensor to know how hot the cavity is. You will see F01 on the display, and the oven may stop heating or give uneven results.

Common causes of F01

Oven temperature sensor that is out of range or reading incorrectly
Wiring or connector to the sensor that has loosened or burned
Control that is misreading the sensor signal

✓ One safe check you can try

1. Press Cancel to clear the display. 2. Let the oven cool completely if it was hot. 3. Go to the electrical panel, switch the oven circuit off for a minute, and switch it on to retry the oven sensor. 4. Set a short bake at 350 degrees and watch for the code. 5. Still seeing F01? Stop here and call for service on the oven sensor.

! Why to stop there

The sensor tells the control when to stop heating, so a wrong reading can lead to overheating or cold results.
Accessing the sensor lead means removing oven interior parts, and a stressed wire can be damaged.
Without a resistance test, a technician cannot tell the sensor from the control.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Wall Oven codes

Feature Not AvailableJennAir Wall Oven Message "Feature Not Available": Follow the Prompt on the Display Flashing Time, Clock, 12:00, Power Loss or Enter TimeJennAir Wall Oven Display Flashing Time or 12:00: Set the clock after power loss Locked, Lock or LocJennAir Wall Oven Display Locked, Lock or Loc: Controls and door are locked Press Cancel to ResetJennAir Wall Oven Message "Press Cancel to Reset": Clear and power cycle Probe or Insert ProbeJennAir Wall Oven Display Probe or Insert Probe: Meat probe needed PUSH or PSHJennAir Wall Oven Display PUSH or PSH: Press start Sabbath, Sab, 5Ab, or 5A7JennAir Wall Oven Display Sabbath, Sab, 5Ab or 5A7: Sabbath mode is on FC E6JennAir Wall Oven Code FC E6: Wi-Fi power module

F01F01 questions

What does F01 tell me about my oven?

It means the temperature sensor circuit is suspect. The cause may be the sensor, the control or the wiring, which is why we test the circuit before replacing anything.

Can I keep baking if F01 clears after a reset?

Use caution. A clear display does not mean the sensor is healthy, and a bad reading can overheat the cavity. If the code returns, stop using the oven.

Is the sensor an expensive repair?

Sensors are usually a modest part compared with replacing a wall oven. We give you a written price after diagnosis and warrant our work for 30 days.