Written by
Adrian Soto Appliance Repair Content SpecialistPublished September 5, 2026Updated October 20, 2026
Error codeE42 Short easy/PH sensor error
ApplianceMicrowave
Quick answer
E42 on a Samsung microwave is the short easy/PH sensor error message. The listed owner step is a power reset.
Model compatibility: Samsung reuses codes across series and model years, so E42 Short easy/PH 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
Short easy/PH sensor error.
If E-42 flashes on the screen of a Samsung microwave, the message means the short easy/PH sensor error. The code sits in the current range of microwave codes from Samsung.
Owner checks for E-42
Unplug the microwave from the wall or switch off its circuit breaker. If the unit got wet, give it time to dry; if it is dry, let 60 seconds pass. Then restore power and find out if E-42 reappears.
Should E-42 return, ask for a service visit. Work inside the cabinet belongs to a technician.
If you need Samsung microwave service in Los Angeles, call (310) 896-4231. Have the E-42 code, the model number and the reset steps you ran ready when you call. See Samsung microwave repair for details.
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.