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Whirlpool Microwave E03 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 E03
Appliance Microwave
Quick answer

E03 means the keypad (user interface) reported a problem to the control board.

Model note: Whirlpool reuses codes across series and model years, so E03 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.

Keypad (user interface) or wiring problem.

If E03 shows on your Whirlpool over-the-range microwave, the keypad (user interface) has reported a problem to the control board. The keypad or its wiring may be at fault.

Try a power reset

  1. Switch the circuit breaker off for one minute.
  2. Turn the breaker back on.
  3. Leave the microwave on for a minute and see whether E03 shows again.
  4. Check that the microwave operates as it should.

Related codes

  • E11 is a gas sensor problem.
  • E61 is an oven sensor circuit fault.

Microwave repair in Los Angeles

When a reset does not clear E03, call (310) 448-6692 about your Whirlpool microwave in Los Angeles. Keep the code, the model number and the reset you tried handy. We also describe Whirlpool microwave service.

Source: Whirlpool Product Help: E03 – Error Code – 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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