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Error code · Microwave

Whirlpool Built-In Microwave Showing F4 E5 on the Display: Weight Sensor

F4 E5 on Whirlpool built-in microwaves and microwave drawers, for example WMC50522AS, points to the microwave weight sensor or its wiring. The weight sensor lets the oven judge the load for automatic features. The display shows…

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Code
F4 E5
Appliance
Microwave
Brand
Whirlpool
Warranty
30-day workmanship

What F4 E5 means

F4 E5 on Whirlpool built-in microwaves and microwave drawers, for example WMC50522AS, points to the microwave weight sensor or its wiring. The weight sensor lets the oven judge the load for automatic features. The display shows the code, and the brand gives only a power reset and names no failed part. So we read F4 E5 as a sensor circuit to check, not as proof that the sensor has failed.

Common causes of F4 E5

  • Microwave weight sensor
  • Wiring and connector for the sensor
  • Control reading the weight signal
✓ One safe check you can try

1. Take everything out of the oven cavity and close the door. 2. Shut off the breaker for one minute, then switch it on. 3. Check the display for F4 E5 over the next minute. 4. If it is clear, load a cup of water and run a short cycle. 5. If F4 E5 returns, call us.

! Why to stop there
  • Clearing the display does not show whether the weight sensor, wiring or control is the problem.
  • We test the sensor signal with an empty oven and compare it with what the control expects.
  • We quote in writing before any repair, with a 30-day workmanship warranty on the 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

FC E1Whirlpool Over-the-range Microwave Wi-Fi Code FC E1: Weak Signal FC E2FC E2 on a Whirlpool OTR Microwave: Router Connection Lost FC E3Whirlpool Over-the-range Microwave Showing FC E3 for Wi-Fi: Module Check FC E7Whirlpool OTR Microwave Connection Code FC E7: Appliance Not Reaching the Internet FC E8Whirlpool OTR Microwave Registration Code FC E8: Entry Mistake 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
F4 E5F4 E5 questions
What is the weight sensor for?

It lets the microwave estimate the weight of the food for automatic cooking features. F4 E5 says the control has a problem reading it or its wiring.

Does food in the oven cause F4 E5?

That is not among the causes the guidance lists. Emptying the oven before the reset is a sensible precaution, but the code points to the sensor circuit.

Can I cook manually with F4 E5?

Only if the display is clear after the reset and the microwave runs normally. If F4 E5 keeps returning, stop using the oven until the sensor circuit is checked.

Book a visit

Still seeing F4 E5?

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

(713) 589-6107