Error code · Microwave

Whirlpool Microwave Code F8E5: Exhaust Air Temperature Sensor

Medium · inspection needed

Code: F8E5
Appliance: Microwave
Brand: Whirlpool
Warranty: 30-day workmanship

What F8E5 means

F8E5 appears on two Whirlpool microwave styles. On a built-in unit or microwave drawer like WMC50522AS, it points to the exhaust fan air temperature sensor or its wiring. On an over-the-range model like WMH31017HS, WMH32519HZ or WMH53521HZ, the same sensor is called the exhaust air temperature sensor, and the oven reports it could not execute the function. Either way you see F8E5 on the display and the unit stops. The code names a circuit to test and does not prove the sensor has failed.

Common causes of F8E5

Exhaust air temperature sensor
Sensor wiring and connectors
Control reading of the exhaust temperature

✓ One safe check you can try

1. Let the microwave cool for a little while if you have been cooking. 2. At the electrical panel, switch the unit's breaker off for one minute and then back on. 3. Stay near the microwave for a minute and look for F8E5 to come back. 4. If it stays away, run a normal cycle to confirm the unit works.

! Why to stop there

A reset cannot say whether the sensor reading or the wire is the issue, so a repeat of F8E5 sends us to test the circuit.
On an over-the-range unit we also look at how air leaves the cabinet, since the sensor reads that airflow.
A written price comes before any work, and our 30-day workmanship warranty stands behind the finished repair.

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

PFWhirlpool Over-the-range Microwave Showing PF: Power Failure Indicator Press Cancel to ResetWhirlpool Built-in Microwave Message "Press Cancel to Reset": Error Cleared by Cancel Probe or Insert ProbeWhirlpool Built-in Microwave Asking for "Insert Probe": Seat the Meat Probe F8 E4Whirlpool Microwave Drawer Error Code F8 E4: Exhaust Air Temperature Sensor PUSH or PSHWhirlpool Built-in Microwave Shows PUSH or PSH: Press Start F9Whirlpool OTR Microwave Error F9: Control and Relay Boards Registration ErrorWhirlpool Over-the-range Microwave "Registration Error": Network Checks F9 or F9E0Whirlpool Built-in Microwave Codes F9 and F9E0: Home Power Supply

F8E5F8E5 questions

Does F8E5 show on more than one microwave style?

Yes, it appears on built-in and over-the-range units alike, and it names the same exhaust air temperature sensor circuit. We test that circuit and report the responsible part.

Can I keep using the microwave after a reset?

If the code stays gone and the unit heats normally, you may. If F8E5 comes back, stop using it until we have tested the sensor circuit.

Should I repair an aging microwave that shows F8E5?

Often yes, especially a built-in. We give a written price first and say plainly if replacing the unit makes more sense. Age matters less than the condition of the unit, and we look at the whole picture before advising you.

Book a visit

Still seeing F8E5?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 589-6107