Samsung Ovens & Ranges
Error Code C-31
PCB temperature rises abnormally high
Moderate
Address soon - your appliance may not work properly
What This Means
Main PCB overheating; Thermal management failure
How to Fix
- 1
Check main PCB for damage
- 2
Ensure proper ventilation around PCB
- 3
Replace Main PCB if damaged
This Error Applies To
Samsung NQ70M6650D Series Ovens & Ranges
Service manual exact match: NQ70R5511DGService manual exact match: NQ70M7770DService manual exact match: NQ70M7770DGService manual exact match: NQ70M6650DSService manual exact match: NQ70T5511D
Related Error Codes
H-3
Lower Bake Heater Error
C-d0
Keys are shorted
C-F0
Communication interrupted between Main and Sub PCB
C-F2
Communication interrupted between Main and Sub PCB
C-d1
Door lock is mispositioned
C-21
Oven temperature rises abnormally high; Oven sensor is short when oven is operating
C-A2
Cooling motor is operating abnormally
H-4
Lower Broil Heater Error