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Error code · Microwave

Whirlpool Over-the-Range Microwave Message “AccuPop Fail”: Popcorn Sensor

On Whirlpool over-the-range microwaves, including models WMH31017HS, WMH32519HZ and WMH53521HZ, the message AccuPop Fail means the oven could not carry out the popcorn function. The guidance says there may be a problem with the AccuPop sensor.…

Low risk · DIY check OK
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Code
AccuPop Fail
Appliance
Microwave
Brand
Whirlpool
Warranty
30-day workmanship

What AccuPop Fail means

On Whirlpool over-the-range microwaves, including models WMH31017HS, WMH32519HZ and WMH53521HZ, the message AccuPop Fail means the oven could not carry out the popcorn function. The guidance says there may be a problem with the AccuPop sensor. The microwave usually still powers on and may heat normally on timed cycles, but the sensor-based popcorn setting stops and shows the message. This makes it a convenience-feature problem more than a safety one.

Common causes of AccuPop Fail

  • AccuPop sensor reading
  • Wiring from the sensor to the control
  • Control board input for the sensor
  • Steam or grease buildup near the sensor
✓ One safe check you can try

1. Turn off the circuit breaker that feeds the microwave and wait one minute. 2. Turn the breaker on again. 3. Watch the display for a minute to see whether the message returns. 4. Check that the door closes fully and the interior is clean and dry. 5. Test normal timed cooking to confirm the oven heats.

! Why to stop there
  • A reset does not tell us whether the sensor, its wiring or the control is responsible.
  • If timed cooking works but popcorn does not, we test the sensor circuit rather than the heating system.
  • On an older over-the-range unit we tell you honestly whether fixing a sensor feature is worth the cost.
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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AccuPop FailAccuPop Fail questions
What does AccuPop Fail mean?

The microwave could not run its sensor-based popcorn function. The guidance says the AccuPop sensor may be involved, so the problem is likely limited to that feature and its circuit.

Can I still heat food while it shows AccuPop Fail?

Often yes, using timed cooking. If the message returns every time or other functions misbehave, stop and let us check the oven. Do not force the popcorn button repeatedly, because that will not clear the sensor message.

What will you check on my over-the-range microwave?

We test the sensor and its wiring, then the control input, explain the result, and give you a written price before any work. Repairs have a 30-day workmanship warranty.

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Still unsure about AccuPop Fail?

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

(713) 589-6107