Error Code C-31

Temperature around PCB too high - safety error

What This Means

PCB temperature sensor reading excessive temperature; Faulty NTC thermistor sensor; Main PCB overheating

How to Fix

1. 1

   Disconnect power and open rear cover

2. 2

   Disconnect the two harness connectors to the NTC sensor

3. 3

   Measure NTC sensor resistance (normal: 3900Ω at room temperature)

4. 4

   Replace oven temperature sensor if abnormal resistance

5. 5

   Replace the Main PCB