Written by
Adrian Soto Appliance Repair Content SpecialistPublished September 5, 2026Updated October 20, 2026
Error codeE31 Open gas sensor error
ApplianceMicrowave
Quick answer
E31 on a Samsung microwave is the open gas sensor error message. The listed owner step is a power reset.
Model compatibility: Samsung reuses codes across series and model years, so E31 Open gas sensor error 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
Open gas sensor error.
When E31 is displayed on the screen of a Samsung microwave, you are looking at the open gas sensor error. You will find it in the current range of microwave codes from Samsung.
Power reset for E31
Disconnect the microwave from the wall or shut off the breaker feeding it. If there is moisture in it, let it dry out; if it is dry, let 60 seconds pass. Next turn the power back on and see whether E31 reappears.
Should E31 return, call for service. Checking the electronics behind the code belongs to a technician.
Phone (310) 896-4231 to arrange Samsung microwave repair in Los Angeles. Mention the code, your model number and any reset you tried. Microwave repair has its own page.
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.
