Error Code C-20
The oven sensor is open when the oven is operating. There is a short in the oven sensor.
Moderate
Address soon - your appliance may not work properly
What This Means
Oven sensor thermistor open circuit; Oven sensor thermistor short circuit; Damaged sensor wiring; Loose harness connections at CN320 on main PCB; Connector resistance out of spec
How to Fix
- 1
Disconnect power
- 2
Replace oven sensor
- 3
Reconnect all harness connections
- 4
Repair any damaged harness or connectors
- 5
Measure sensor resistance at room temperature (should be 1 kΩ)
- 6
Check connecting condition of harness between oven sensor and CN320
- 7
Measure connector CNS300 resistance (should be normal at 2850 ohms)
- 8
Verify no damage to PCB, soldered joints, or sensor-related components on main PCB
This Error Applies To
Samsung NE63T8751S Series Ovens & Ranges
Related Error Codes
There is a short in the control key.
The door lock is misaligned.
Communication between Main and Sub PCB is interrupted.
Communication between Main and Touch is interrupted.
The sub PCB temperature rises abnormally high.
The internal temperature rises abnormally high.
The sub PCB sensor is open when the oven is operating. There is a short in the sub PCB sensor.
The temperature probe sensor is short when the oven is operating.