ERROR CODE EXPLAINED
KitchenAid Microwave
KitchenAid Microwave E03 Error Code
What it means
KitchenAid indicates E03 means the Keypad (User Interface) reported a problem to the control board; the keypad, user interface, or associated wiring may be involved.
Try this first
- Turn off the microwave circuit breaker or breakers for 1 minute.
- Turn the circuit breaker or breakers back on.
- Monitor the microwave for 1 minute to make sure the error code does not return.
- Verify microwave operation.
Can I keep using it?⚠ E03 is a manufacturer-defined microwave fault code
Repair usually required?⚠ The manufacturer first directs you to perform a 1-minute breaker reset
If the error keeps returning
Reset power as directed by KitchenAid and use the linked Product Help article if the code returns.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.