Written by
Adrian Soto Appliance Repair Content SpecialistPublished September 5, 2026Updated October 20, 2026
Error codeC-22 / C22
ApplianceMicrowave
Quick answer
C-22 (C22) is an error with the temperature sensor 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-22 / C22 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-22 is an error with the temperature sensor on a Samsung microwave.
When C-22 comes up on the display of a Samsung microwave, it signals an error with the temperature sensor. It sits in the code list for current Samsung microwaves.
C-22 on a Samsung microwave
Neighbouring entries C-20 and C-21 carry the same description, an error with the temperature sensor.
What to do first
Take the power away: unplug the unit or flip its circuit breaker off.
After contact with a spill or cooktop steam, leave the microwave alone until it has dried.
With no moisture involved, wait 60 seconds and turn the microwave back on.
Los Angeles owners can phone (310) 896-4231 to arrange service on a Samsung microwave. Have the code (C-22), the model number and the steps you already tried ready when you call. 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.
