Error Code C-20
Oven temperature sensor is open circuit
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: C-20
What This Means
Loose or disconnected connector at main PCB; Loose or disconnected connector at sensor; Faulty temperature sensor; Damaged sensor harness
What actually causes this:
Disconnected wiring, corroded connector, or failed temperature sensor element
First Thing to Check
Verify all connectors are fully seated at both the main PCB (CN320) and sensor
Parts Involved
How to Fix
- 1
Check connector insertion at main PCB (CN320)
- 2
Check connector insertion at sensor
- 3
Measure sensor resistance (should be 1080 ohm at room temperature)
- 4
Check harness connection integrity
This Error Applies To
Samsung DOP36M86DL Series Ovens & Ranges (2017) (2017–present)
Related Error Codes
PCB internal temperature sensor is open circuit
Steam temperature sensor is open or short circuit
Touch screen panel is not communicating with main control board
Touch control panel or keypad is not responding properly
Meat temperature probe has short circuit or is not functioning
PCB internal temperature sensor is short circuit or PCB is overheating
Water not draining from steam system within expected time
Door lock mechanism is not responding to lock/unlock commands