Written by
Miles Hartwell Editorial authorPublished October 20, 2026
Content status:
Verified
Error codeE4
ApplianceMicrowave
Quick answer
E4 on an Electrolux built-in combination microwave oven: thermal safety switch-off function activated.
Model compatibility: Electrolux reuses codes across series and model years, so E4 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Thermal safety switch-off function activated.
Meaning of E4
E4 on an Electrolux built-in combination microwave oven means the thermal safety switch-off function has been activated.
Owner action
The support article lists a single remedy: book a service. Unplug the oven if you want to leave it idle.
E4 versus E1
The article describes E1 in exactly the same words as E4, so use whichever code your display shows. It also lists E17, a failed rapid heating message, and E11, moisture in the control panel.
Microwave service in Los Angeles
Phone (310) 361-3405 for Electrolux microwave service in Los Angeles. Say E4, give the model number, and tell us what happened before the code appeared. The Electrolux microwave repair page has more.
Important safety warning. 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.
Seeing this code on your Electrolux appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Electrolux microwave repair in Los Angeles for door, keypad, vent, convection, sensor, turntable, power, and heating problems. Confirm coverage by ZIP.
