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Whirlpool Microwave F9 Error Code

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Maya Ortiz Written by Maya Ortiz Appliance Repair Content Specialist Published October 20, 2026

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Code overview at a glance.

The facts for this Whirlpool error, a plain-language snapshot, and what to confirm against your model number.

Error code F9
Appliance Microwave
Quick answer

F9 means the oven could not execute the function; the Appliance Control Board, Relay Control Board or wiring may be at fault.

Model note: Whirlpool reuses codes across series and model years, so F9 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

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What this code may mean.

A plain-language reading of the code — always confirm against your model’s documentation.

The oven could not execute the function. There may be a problem with the Appliance Control Board, the Relay Control Board, or the associated wiring.

Of the F-series codes, F9 names the most parts. The oven could not execute the function, and the manual lists the Appliance Control Board, the Relay Control Board, or the associated wiring.

Manual steps

  1. Switch the circuit breaker off for one minute.
  2. Switch it on again.
  3. Monitor the oven for one minute to ensure F9 does not display again.
  4. Verify oven operation.

This covers over-the-range microwaves.

Related codes

F6 names only the Relay Control Board, and F7 names only the Appliance Control Board.

Whirlpool microwave service in Los Angeles

Is F9 still there? Call (310) 448-6692 about Whirlpool microwave service in Los Angeles, and keep the model number and the reset details handy. Visit microwave repair for more.

Source: Product Help: F9 Over-the-Range Microwave

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Safety warning before you continue.

Stop immediately if you notice smoke, sparks, a burning smell, gas odor, or water near electrical parts.

Important

Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

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Seeing this code on your appliance?

Book an Whirlpool appliance service visit for a clear estimate and approval before any repair.

Experienced technicians, clear diagnostics, and workmanship coverage on completed repairs.

Book a Repair (310) 448-6692

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Ready to restore your Whirlpool appliance?

Book a repair online or call us — clear estimates, approval before any work, and a workmanship warranty on completed repairs.

Book a Repair (310) 448-6692

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Tell us what’s wrong — we’ll take it from there.

Share a few details and we’ll confirm an appointment. Prefer to talk? Call us and we’ll help right away.

Prefer to call? (310) 448-6692
  1. Share the symptom Tell us the Whirlpool model and what’s going wrong.
  2. Confirm a window We’ll schedule a visit that fits your day.
  3. Approve before work You get a clear estimate — nothing starts without your OK.
Phone (310) 448-6692
Email info@whirlpoollosangeles.support
Hours Mon–Sat: 8:00 AM – 7:00 PM
Service area Serving Los Angeles County and Orange County.
Response time Appointment timing depends on ZIP code, route capacity, and appliance type.
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