KitchenAid Over-the-Range Microwave Code FC E3: Router or Wi-Fi module connection lost

What FC E3 means

On KitchenAid over-the-range microwave hood combinations such as the KMLS311HSS, FC E3 reports that the wireless connection failed. The reasons named are a connection time-out, poor signal strength, a failed router, the Wi-Fi module in the appliance, or the associated wiring. Expect the app features to stop responding, while the microwave can still be used from its own keys. That makes it easy to overlook until you try the app.

Common causes of FC E3

Router that has failed or is out of range
Time-out while the microwave tries to connect
Low signal at the microwave's position above the range
Wi-Fi module or wiring inside the microwave

✓ One safe check you can try

1. Restart the router and wait for the lights to settle. 2. Move a phone close to the microwave and check the signal. 3. Press Cancel, unplug the microwave for a minute, and plug it back in. 4. Reconnect through the app. If FC E3 returns despite a good signal, call us.

! Why to stop there

The microwave hangs where steel cabinets and the range hood weaken Wi-Fi, which is not a repair issue.
Replacing a module before proving the network is wasted money.
We separate the two cleanly and quote before any work.

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.

→Same appliance

Other Microwave codes

Probe or Insert ProbeKitchenAid Combination Microwave Message "Probe" or "Insert Probe": Seat the meat probe in its jack PUSH or PSHKitchenAid Built-In Microwave Message PUSH or PSH: The oven is waiting for Start Registration ErrorKitchenAid Over-the-Range Microwave Message "Registration Error": Check the home network and try again Sabbath, Sab, 5Ab, or 5A6KitchenAid Built-In Microwave Display Sabbath, Sab, 5Ab or 5A6: Sabbath Mode is on SEKitchenAid Over-the-Range Microwave Code SE: Keypad or user interface problem F4 E3KitchenAid Combination Microwave Code F4 E3: Exhaust air temperature sensor F7KitchenAid Over-the-Range Microwave Code F7: Control board or wiring needs a look Flashing Time, Clock, 12:00, Power Loss or Enter TimeKitchenAid Built-In Microwave Messages Time, 12:00 and Power Loss: Set the clock after an outage

FC E3FC E3 questions

Will FC E3 stop my microwave heating?

In general no. It is about the wireless connection only. If the microwave also refuses to heat, tell us, because that points to a different issue.

Why does the router get blamed so often?

Router failure and weak signal are listed before the module. They are also the cheapest to test, so they come first. Both are listed ahead of the module, and both are far cheaper to test than a repair visit.

What does a repair involve?

If the module or wiring needs work, we confirm it, give a written price, and carry out the work with a 30-day workmanship warranty. Your approval comes first.