KitchenAid Wi-Fi Oven Code FC E4: antenna or antenna wiring

What FC E4 means

On Wi-Fi connected KitchenAid wall ovens such as the KOCE900HSS, FC E4 means the Wi-Fi antenna, or the associated wiring, may have a problem. The oven can no longer use its antenna as it should. The display shows the code, and app features may stop working. Because it concerns only the wireless link, the oven's cooking functions are a separate matter, and the antenna cannot be checked from outside the oven.

Common causes of FC E4

Wi-Fi antenna failing
Wiring to the antenna damaged

✓ One safe check you can try

1. Press Cancel to clear the message. 2. Switch the oven breaker off for a minute, then on. 3. Check your router is working with other devices, so the network is ruled out. 4. If FC E4 returns, call us and do not open the oven.

! Why to stop there

The antenna is built into the oven.
An antenna and its wiring give the same code.
We quote in writing first, with a 30-day workmanship warranty.

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

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FC E4FC E4 questions

What does the antenna do?

It lets the oven talk to your home network. FC E4 means the Wi-Fi antenna or its wiring may have a problem, so the oven cannot hold a connection.

Is it my router?

The code names the oven's antenna and wiring, not the router. A quick check that your other devices are online still helps rule out the network before we visit.

Can I still cook?

Cooking functions are separate from the Wi-Fi link, so the oven may work normally. Stop using it if other codes appear, and tell us what you see when you call.