ERROR CODE EXPLAINED
KitchenAid Microwave
KitchenAid Microwave F1 E4 Error Code
What it means
The microwave could not execute the requested function and may have a problem with the appliance control board or associated wiring.
Try this first
- Turn the microwave circuit breaker off.
- Leave power off for about 1 minute.
- Restore power.
- Monitor the microwave for about 1 minute.
- Check whether F1 E4 returns.
Can I keep using it?⚠ Control system fault
Repair usually required?⚠ Service may be required
If the error keeps returning
If F1 E4 returns after the power reset, schedule professional service.
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.