Whirlpool Microwave E24 — What It Means & How to Fix It

By Callum Griffin · Researched and verified against manufacturer and repair documentation · Reviewed September 2026

E24 means the oven reached an overheat condition of 500°F (260°C) — let it cool, reset power for a minute, and stop using it and call service if the code returns.

What this code means

Whirlpool says E24 means the oven reached an overheat condition of 500°F (260°C), and that there may be a problem with the thermal sensor, the gas sensor, the appliance control board, or the associated wiring.

Whirlpool over-the-range microwaves.

Most likely causes

CauseHow likelyDIY-fixable?
Genuine overheating during a long or empty cycle Common Yes — let it cool
Thermal or gas sensor fault Common No — technician job
Control board fault Occasional No — technician job

What you can try yourself

  1. Stop cooking and leave the door open to cool.
  2. Make sure the vents are not blocked and nothing was run empty.
  3. Turn the breaker off for one minute, then on.
  4. If E24 returns, leave the breaker off and schedule service.

When to call a technician

Typical professional repair cost: Sensor or control repairs typically cost $120–$400.

Frequently asked questions

What does E24 mean?

The oven reached an overheat condition of 500°F (260°C).

Is E24 dangerous?

Treat it seriously: stop cooking, let it cool, and do not keep using a microwave that repeats the code.

What parts are suspected?

The thermal sensor, the gas sensor, the appliance control board, or the associated wiring.

Sources checked

Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.

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