Samsung NEK55ACOvens & Range
Error Code C-31
PCB temp sensor is short when oven is operating
Moderate
Address soon - your appliance may not work properly
What This Means
Main PCB on-board temperature sensor shorted
How to Fix
- 1
Disconnect power, open back cover
- 2
Replace the Main PCB
Other Error Codes for NEK55AC
C-10
Oven sensor is open when the oven is operating
Cd1
Key short circuit — keypad short detected on Sub PCB
CF2
Communication between Main PCB and Touch PCB is interrupted
C-21
Internal temperature rises abnormally high — safety error
Cd2
Door lock is mispositioned — door lock motor or switch fault during self-clean
C-32
PCB temperature rises abnormally high
CF1
Communication between Main PCB and Sub PCB is interrupted
C-30
PCB temp sensor is open when oven is operating