Samsung Ovens & Ranges
Error Code C-31
Temperature around PCB too high - safety error
Moderate
Address soon - your appliance may not work properly
What This Means
PCB temperature sensor reading excessive temperature; Faulty NTC thermistor sensor; Main PCB overheating
How to Fix
- 1
Disconnect power and open rear cover
- 2
Disconnect the two harness connectors to the NTC sensor
- 3
Measure NTC sensor resistance (normal: 3900Ω at room temperature)
- 4
Replace oven temperature sensor if abnormal resistance
- 5
Replace the Main PCB
This Error Applies To
Samsung NX58K9850S Series Ovens & Ranges
Service manual exact match: NX58K9850SService manual exact match: NX58M9960P