Samsung NV51M9970DOvens & Range
Error Code C-31
PCB temperature rises abnormally high
Moderate
Address soon - your appliance may not work properly
What This Means
PCB thermal runaway; Main PCB failure
How to Fix
- 1
Replace Main PCB
Other Error Codes for NV51M9970D
C-70
Steam sensor open when steam mode is on
C-72
Drain system problem - Water level sensor detects water remaining after max draining time
C-A2
Cooling motor operating abnormally
-dC-
Partition inserted or removed while oven is operating
C-F0
Communication interrupted between Main and Sub PCB
C-20
Oven sensor open circuit when operating
C-21
Internal temperature rises abnormally high - Oven sensor short circuit or thermal runaway
C-23
Temp probe sensor is shorted when oven is operating