Written by
Nadia Okafor Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeE-45
ApplianceMicrowave
On the display of this Samsung microwave you see E-45, or E45, which Samsung defines as a cooling error.
See also
E-04 is listed as a cooking time setting over error (convection). C-A0 is the entry for a functional error. C-d2 marks a door or key error.
Resetting the microwave
Make the microwave dead by unplugging it or flipping its breaker. Where moisture is present, allow it to dry out, otherwise count a 60-second wait. Bring power back and check if E45 is gone.
If the display shows E45 again, put in a service request.
Samsung microwave repair, San Francisco
Samsung microwave problems in San Francisco and nearby towns go through Samsung microwave repair. Talk to us on (415) 969-6153. Bring the model number, the code and a short account of the reset to the call.
Model compatibility: Samsung reuses codes across series and model years, so E-45 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-45 is Samsung's cooling error.
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?
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.
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Book a repair online or call us — clear estimates and approval before any repair work begins.
