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Whirlpool service — Whirlpool Microwave F9 Code

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Whirlpool Microwave F9 Code Control Boards

Book a Repair (844) 968-2053
Daniel Reeves Written by Daniel Reeves 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
Content status Verified
Quick answer

F9: the oven could not execute the function; possible Appliance Control Board, Relay Control Board or wiring problem.

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.

What an F9 display means

Over-the-range Whirlpool microwaves show F9 when the oven could not execute the function. Possible causes in the manual are the Appliance Control Board, the Relay Control Board and the associated wiring, all of which are technician territory.

What you can try

Turn off the breaker for 1 minute, turn it on, and monitor the oven for a minute to see if the code reappears. Finish by verifying that the oven operates.

Codes close to F9

  • F9Q is listed with reset steps only.
  • F9Q1 refers to the User Interface (Touch Pad).
  • F6E0 is the Appliance Control Board code.

Service for the Miami, New York, Houston, Los Angeles and San Diego areas

Phone (844) 968-2053 if F9 does not clear. Service is offered across the Miami, New York, Houston, Los Angeles and San Diego metro areas. Mention the code, model number and what you tried. See oven repair.

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 (844) 968-2053

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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.

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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? (844) 968-2053
  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 (844) 968-2053
Email info@whirlpoolservicecenter.support
Hours Mon–Sat: 8:00 AM – 7:00 PM
Service area Serving Miami, New York, Houston, Los Angeles and San Diego metro areas.
Response time Appointment timing depends on ZIP code, route capacity, and appliance type.
(844) 968-2053 Book a Repair