Samsung Ovens & Ranges2017–present
Error Code C-31
PCB temperature rises abnormally high
Moderate
Address soon - your appliance may not work properly
What This Means
Main PCB overheating; PCB sensor defective
How to Fix
- 1
Allow unit to cool
- 2
Check if problem persists after cooling
- 3
Replace Main PCB if issue continues
This Error Applies To
Samsung NV51K6650D Series Ovens & Ranges (2017) (2017–present)
Service manual exact match: NV51K7770SService manual exact match: NQ70M6650D*Service manual exact match: NV51K6650D*Service manual exact match: NV51K6650DService manual exact match: NQ70M6650DSService manual exact match: NV51K6650DSService manual exact match: NV51K7770DGService manual exact match: NV51K7770SG
Related Error Codes
H-4
Lower broil heater malfunction detected during self-diagnosis
C-A2
Cooling motor operating abnormally
C-F2
Communication interrupted between Main and Touch PCB
C-72
Drain system problem - water remaining after maximum drain time
-dC-
Partition inserted or removed while oven is operating
C-70
Steam sensor open circuit during steam mode
C-20
Oven sensor open circuit during operation
C-21
Oven sensor short circuit or abnormally high internal temperature