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Error code reference

Maytag Microwave Error Code F5

HV/LV Board failure detected.

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What the F5 error code actually means

The F5 error means your microwave's control panel is not responding correctly and the buttons are no longer communicating with the microwave's brain. This can happen on its own or after a power surge or outage. Until this is fixed, the microwave will not operate.

Diagnostic procedure

The full F5 procedure

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1
First diagnostic step
Replace HV/LV Board.
More steps, wiring diagram references, and verified part numbers
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Most common causes of F5

Ranked by how often they cause this code
  1. 1Failed touch panel membrane
  2. 2Damaged or disconnected ribbon cable
  3. 3Moisture or grease contamination in the touch panel
  4. 4Faulty control board

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Questions people ask about F5

What does the F5 error code mean on a Maytag microwave?
F5 on a Maytag microwave means the control board has detected a touch panel failure. The touch panel is the button membrane on the front of the unit, and when the control board cannot receive valid signals from it, the microwave shuts down and displays F5. Replacing the touch panel is the first and most common fix.
Can I still use my Maytag microwave with an F5 error code active?
No. When F5 is active, the microwave locks out operation because the control board cannot receive commands from the touch panel. You will not be able to enter cook times or start the unit until the touch panel is repaired or replaced.
Will resetting my Maytag microwave clear the F5 code?
A reset by unplugging the microwave for two minutes may temporarily clear F5 if the error was caused by a power surge or a momentary signal glitch. However, if the touch panel membrane is physically failed or worn out, the code will return immediately or after a short period of use. A persistent F5 code requires touch panel replacement, not repeated resets.
How do I fix the F5 error on a Maytag microwave?
Start by unplugging the microwave for two minutes to see if the error clears. If F5 returns, inspect the ribbon cable between the touch panel and control board to make sure it is fully seated and undamaged. If the cable is intact, the touch panel itself needs to be replaced. Order a touch panel specific to your Maytag model number, found on the label inside the door frame.
How much does it cost to fix F5 on a Maytag microwave?
A replacement touch panel for a Maytag microwave typically costs between $30 and $80 depending on the model. If you replace it yourself, that is the total cost. The repair involves removing the outer casing and swapping the panel, which is manageable for someone comfortable with basic appliance disassembly. If a technician does the repair, expect to add $75 to $150 in labor.

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