How do I fix error code C-20 on a Samsung ovens & ranges?

1. undefined: Disconnect electrical power and open back cover 2. undefined: Disconnect sensor harness from control and measure resistance (normal: 1080Ω at room temperature) 3. undefined: Check harness connections between oven sensor and CN320 on Main PCB 4. undefined: Measure resistance of connector CN320 with harness disconnected (normal: 2850Ω) 5. undefined: If resistance is abnormal, replace oven sensor 6. undefined: If resistance is normal, repair or replace damaged harness 7. undefined: Replace Main PCB if no issues found with sensor and harness

Samsung Ovens & Ranges

Error Code C-20

Q: What does error code C-20 mean on a Samsung ovens & ranges?

Oven sensor opened or shorted Oven temperature sensor resistance over 2950Ω (open condition); Oven temperature sensor resistance under 930Ω (shorted condition); Damaged or loose harness connections; Damaged terminals or wires in sensor harness

Oven sensor opened or shorted

Moderate

Address soon - your appliance may not work properly

What This Means

Oven temperature sensor resistance over 2950Ω (open condition); Oven temperature sensor resistance under 930Ω (shorted condition); Damaged or loose harness connections; Damaged terminals or wires in sensor harness

How to Fix

1
Disconnect electrical power and open back cover
2
Disconnect sensor harness from control and measure resistance (normal: 1080Ω at room temperature)
3
Check harness connections between oven sensor and CN320 on Main PCB
4
Measure resistance of connector CN320 with harness disconnected (normal: 2850Ω)
5
If resistance is abnormal, replace oven sensor
6
If resistance is normal, repair or replace damaged harness
7
Replace Main PCB if no issues found with sensor and harness