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Error code · Microwave

Whirlpool Built-In Microwave Code 1c31: Oven Control or Wiring

On Whirlpool built-in microwaves and microwave drawers such as the WMC50522AS, 1c31 is a circuit code tied to the oven control, the electronic board that runs the cooking functions, and the wiring that connects it. It…

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Code
1c31
Appliance
Microwave
Brand
Whirlpool
Warranty
30-day workmanship

What 1c31 means

On Whirlpool built-in microwaves and microwave drawers such as the WMC50522AS, 1c31 is a circuit code tied to the oven control, the electronic board that runs the cooking functions, and the wiring that connects it. It does not say which part inside has failed. You will see the code on the display, and the oven may stop heating or refuse to start until the control is working normally again.

Common causes of 1c31

  • Oven control reporting a condition it cannot clear
  • Wiring or connectors feeding the control
  • Brief electrical glitch that clears with a power cycle
✓ One safe check you can try

1. Switch off the circuit breaker feeding the microwave and wait one full minute. 2. Switch the breaker on again. 3. Stand by for one minute and see whether 1c31 reappears. 4. If it stays away, run a short cooking test to check normal operation.

! Why to stop there
  • A code that comes back after the breaker reset tells us to test the control and its wiring directly
  • We decide whether the control board or the wiring is the issue by testing, not guessing
  • You approve the written price first, and our work is covered by 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.
→Same appliance

Other Microwave codes

FCE8Whirlpool Over-the-range Microwave Registration, FCE8: Wrong Model Selected Feature Not Available or Fault DetectedWhirlpool Built-in Microwave Message "Feature Not Available": Retry or Cut Power LOCWhirlpool Microwave LOC on the Display: Control Lock Is On 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 F8 E4Whirlpool Microwave Drawer Error Code F8 E4: Exhaust Air Temperature Sensor Probe or Insert ProbeWhirlpool Built-in Microwave Asking for "Insert Probe": Seat the Meat Probe F8E5Whirlpool Microwave Code F8E5: Exhaust Air Temperature Sensor
1c311c31 questions
What is the oven control on my built-in microwave?

It is the electronic board that manages the cooking functions. Code 1c31 points at that board or the wiring around it, so a breaker reset is the only step worth trying before we test.

Will turning the breaker off for a minute damage anything?

No. A one-minute power cycle is the manufacturer step for this code. Turn it off, back on, then watch the oven for a minute. If the code returns, stop and schedule a visit.

Do you work on built-in microwaves that are 10 years old?

Yes. Older built-in microwaves and drawers are still in many Houston homes and we repair them. We also tell you plainly when a repair is not worth the money.

Book a visit

Still seeing 1c31?

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

(713) 589-6107