Error Code C-31
PCB sensor temperature high — onboard PCB NTC thermistor reading abnormally high temperature
Moderate
Address soon - your appliance may not work properly
What This Means
PCB NTC thermistor failure; Faulty oven temperature sensor causing runaway
How to Fix
- 1
Disconnect power and open back cover
- 2
Disconnect two harness connectors to oven temperature sensor
- 3
Measure sensor resistance (normal: 1080 ohm at room temperature)
- 4
If sensor resistance is abnormal, replace oven sensor
- 5
Replace the Main PCB
This Error Applies To
Samsung DOP36M96GL Series Ovens & Ranges (2019) (2019–present)
Related Error Codes
Short key — short circuit detected at control interface at connector CN300 on Main PCB or Sub PCB
Door locking information — door lock motor or switch malfunction
Oven sensor open (over 2950 ohm) or oven sensor short (under 930 ohm)
Oven internal overheating — oven temperature reaches 650 F (343 C) in any cooking function except self-clean
PCB sensor opened or PCB sensor shorted (onboard NTC thermistor fault)
Main PCB to Sub PCB communication error