JennAir Double Wall Oven Code F3 E9: lower oven is not sensing temperature

What F3 E9 means

JennAir double wall ovens, including the JJW9830DDP, show F3 E9 when there may be a problem with the lower oven temperature sensor, the control, or the associated wiring. It is the last in the run of lower sensor alerts. The display holds the code, and the lower oven may refuse to bake or to self-clean. Preheating may never finish, and the timer may not start.

Common causes of F3 E9

Lower oven temperature sensor that no longer reads properly
Sensor wiring with a poor connection
Control that cannot decode the lower sensor

✓ One safe check you can try

1. Press Cancel and wait a few seconds. 2. Let the lower cavity cool down. 3. Go to the electrical panel, switch the oven circuit off for a minute, and switch it on to retry the lower temperature sensing. 4. Restore power and try a quick bake. 5. If F3 E9 comes back, stop using the oven and call us about the lower temperature sensing.

! Why to stop there

Self-clean in a lower oven with a sensor problem can overheat the cabinet.
The lower oven wiring is tight against the cavity wall and easy to nick.
We would rather test the whole circuit than replace parts in order of price.

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

FC E6JennAir Wall Oven Code FC E6: Wi-Fi power module FC E7JennAir Wall Oven Code FC E7: Oven did not connect to router FC E8JennAir Wall Oven Code FC E8: Registration error FC E9JennAir Wall Oven Code FC E9: Wi-Fi power module wiring 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

F3 E9F3 E9 questions

Can I run self-clean with F3 E9?

No. Self-clean depends on accurate temperature, and the code says the lower sensor circuit is suspect. Wait until a technician has checked it. The code is the clue that the lower cavity needs its own sensor circuit tested.

Why does the lower oven have its own sensor?

Each cavity needs its own reading to hold its temperature. That is why a problem in one shows up as a lower oven code. Cleaning the lower oven yourself with the manual method is a safer way to wait.

How do I book a repair?

Call us with the exact code and your model. We give a written price before the repair and warrant it for 30 days. We label the lower sensor line on the quote so you can see what is replaced.