Written by
Nadia Okafor Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeE-04 / E04
ApplianceMicrowave
On the panel of a Samsung microwave, E-04 stands for a cooking time setting over error (convection). Only current-generation Samsung microwaves carry this entry.
Steps to try when E-04 shows
Stop power reaching the oven: unplug it, or turn off the breaker feeding it.
Moisture from a spill or cooktop steam calls for patience; leave the unit until it is dry.
If it is dry, wait 60 seconds and then restore power.
If the display shows E04 once more, ask for service.
Similar entries in the table
E-03, which Samsung describes as a cooking time setting over error (grill).
E-05: cooking time setting over error (combination).
Microwave repair in San Francisco and the Bay Area
A code that survives the reset is a reason to book a visit in San Francisco or across the Bay Area. Open Samsung microwave repair or dial (415) 969-6153, and have E-04, the model number and the steps you tried at hand.
Model compatibility: Samsung reuses codes across series and model years, so E-04 / E04 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
E-04 is a cooking time setting over error (convection) on a Samsung microwave.
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 Samsung appliance?
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