Written by
Adrian Soto Appliance Repair Content SpecialistPublished September 5, 2026Updated October 20, 2026
Error codeC-d1 / Cd1
ApplianceMicrowave
Quick answer
C-d1 (Cd1) is a door or key error on a Samsung microwave. Unplug, let it dry or wait, then request service if it returns.
Model compatibility: Samsung reuses codes across series and model years, so C-d1 / Cd1 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
C-d1 is a door or key error on a Samsung microwave.
If your Samsung microwave is showing C-d1, the display is reporting a door or key error. Current-generation Samsung microwaves use this code.
Meaning of Cd1
Neighbouring entries C-d0 and C-d2 carry the same description, a door or key error.
If C-d1 appears: the sequence
Cut the power first: pull the plug or turn the breaker off.
Moisture is the first thing to rule out: after a spill or cooktop steam, let the microwave dry out.
Dry already? Pause for 60 seconds, then turn the microwave on.
Our Los Angeles team handles Samsung microwave calls, and you can reach it at (310) 896-4231. Have the code (C-d1), the model number and the steps you already tried ready when you call. You can also read about microwave repair.
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.
