Written by
Adrian Soto Appliance Repair Content SpecialistPublished September 5, 2026Updated October 20, 2026
Error codeC-72 / C72
ApplianceMicrowave
Quick answer
C-72 (C72) is an error with the steam 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-72 / C72 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-72 is an error with the steam sensor on a Samsung microwave.
Samsung microwaves use C-72 to report an error with the steam sensor. It is part of the current microwave code set.
Reading the C-72 code
C-70 and C-71 appear on the same line of the list and share the label an error with the steam sensor.
Reset and check
Disconnect the microwave by unplugging it or using the circuit breaker.
Had a spill, or steam from a cooktop, reached the controls lately? Allow time for everything to dry.
If nothing got wet, give it 60 seconds and power it up again.
When the same code shows up again, request service.
For a Samsung microwave in Los Angeles, call (310) 896-4231 and describe what the display shows. Tell us the code, give the model number, and say whether the unplug-and-wait reset changed anything. 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.
