Written by
Nora Halvorsen Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeE4
ApplianceMicrowave
With E4 on the display, an Electrolux built-in combination microwave oven has shut itself down through its thermal safety function.
Summary
Message: E4.
Meaning: the thermal safety switch-off function activated.
Remedy listed: arrange a service visit.
Pull the plug if you want to leave the oven idle meanwhile.
E4 and its lookalike
The Electrolux support article words E1 identically to E4, so go by whichever one your display shows. The same article also covers E17, failed rapid heating, and E11, a damp control panel.
Electrolux microwave repair in the Bay Area
Call (415) 449-0036 for Electrolux microwave repair in San Francisco or elsewhere around the Bay Area. Say E4, give the model number and describe what led up to the code. Find out more on Electrolux microwave repair.
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.
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.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
Service areas are listed on the Locations page. Contact us with your ZIP code to confirm current coverage for your address.
Ready to get your Electrolux appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
