Written by Caitlin
Edited on
31 December 2025
·
11:24
How do you solve error codes of Whirlpool microwaves?
If something goes wrong with your Whirlpool microwave, you'll see an error code on the display. We'll help you with the most common error codes and malfunctions, so you can solve the problem quickly.
How to solve a Whirlpool microwave error code
In this article, you'll read how to solve the most common error codes and malfunctions yourself.
- Error code err5: turn off the microwave
- Error codes err4 and err3: let the microwave cool down
- Error code F9: turn off the microwave temporarily
Error code err5: turn off the microwave
Error message err5 indicates that there's an electrical fault in the microwave. This is usually in the printed circuit board. This is the board to which all the wiring is attached.
- Turn off the microwave.
- Unplug the power cord from the socket.
- Turn the microwave back on after 10 minutes.
- If this doesn't work, have the printed circuit board replaced.
Error code err4 and err3: let the microwave cool down
If err4 appears on the display, there's an error in the internal temperature sensor. That's when the microwave measures a temperature that's too high.
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Turn off the microwave.
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Unplug the power cord from the socket.
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Let the microwave cool down.
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IS the interior no longer warm? Turn on the microwave.
Error code F9: too much current
If you see error code F9, there was probably a power outage or a temporary peak load.
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Turn off the microwave.
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Unplug the power cord from the socket.
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Turn the microwave back on after 10 minutes.
Article by Caitlin
Microwave Expert.
