Whirlpool Microwave E03 — What It Means & How to Fix It

Also shown as F2 on some models.

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

E03 — or a plain F2 — means the keypad reported a problem to the control board; reset power for one minute and call for service if it comes back.

What this code means

Whirlpool says that with E03 and with F2 the keypad (user interface) reported a problem to the control board, and there may be a problem with the keypad or the associated wiring. It adds that you may need a qualified technician.

Whirlpool over-the-range microwaves. E03 and F2 are separate codes with the same description.

Most likely causes

CauseHow likelyDIY-fixable?
Keypad fault Common No — technician job
Moisture or grease on the touch panel Occasional Yes — wipe and dry
Wiring between keypad and control Occasional No — technician job

What you can try yourself

  1. Wipe the control panel with a soft, slightly damp cloth and dry it.
  2. Turn the microwave's breaker off for one minute, then on.
  3. Watch the display for one minute and try a short heat with a cup of water.
  4. Schedule service if the code returns. Do not open the microwave cabinet.

When to call a technician

Typical professional repair cost: Keypad or control panel replacement typically costs $150–$350.

Frequently asked questions

What does E03 mean on a Whirlpool microwave?

The keypad (user interface) reported a problem to the control board.

Is F2 the same?

Whirlpool gives the plain F2 code the same explanation.

Can I fix the keypad myself?

No. Microwave cabinets contain high-voltage parts that hold a charge when unplugged; leave internal work to a technician.

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.

Related Whirlpool codes

More: all Whirlpool microwave codes · all Whirlpool codes · search by symptom