ErrorCodeDoctor
Whirlpool · Microwave

Whirlpool Microwave F9 / F9 E0 error code

Difficulty: Hard · Cost: $0–$300 · Duration: Requires professional service

The F9 or F9 E0 code on your Whirlpool microwave means the electrical outlet or the appliance connection may be miswired. If the microwave was recently installed contact a qualified electrician to verify the electrical supply. Turn off the circuit breaker for 1 minute then turn it back on. If F9 or F9 E0 returns contact a qualified technician or schedule service.

Common causes

  • Electrical outlet or appliance connection is miswired
  • Unexpected power supply voltage noise

How to fix it

  1. 1

    Turn off the circuit breaker supplying power to the microwave for 1 minute

  2. 2

    Turn the circuit breaker back on

  3. 3

    Monitor the microwave for 1 minute to verify normal operation

  4. 4

    If the microwave was recently installed have a qualified electrician verify the electrical supply

  5. 5

    If F9 or F9 E0 persists contact a qualified technician or schedule service

Related Whirlpool Microwave error codes

1

DOOR / OPEN and CLOSE DOOR

The microwave door is not closing or latching properly

easy
2

SE

A button on the control panel is stuck or continuously pressed

easy
3

ERROR (during sensor cooking)

An error occurred during sensor cooking — the sensor could not detect steam correctly

easy
4

Err7

A control board fault was detected

medium

F9 / F9 E0 error — frequently asked questions

What does the F9 / F9 E0 error mean on a Whirlpool microwave?

The electrical outlet or connection may be miswired

What causes the F9 / F9 E0 error?

The F9 / F9 E0 error is usually caused by: Electrical outlet or appliance connection is miswired; Unexpected power supply voltage noise.

Can I fix the F9 / F9 E0 error myself?

This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.

How much does it cost to fix the F9 / F9 E0 error?

Fixing the F9 / F9 E0 error on a Whirlpool microwave typically costs $0–$300, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my microwave with the F9 / F9 E0 error?

We'd recommend addressing the F9 / F9 E0 error before continuing to use the microwave, since hard-rated issues often involve a real fault rather than a minor glitch.