Samsung Ovens & Ranges2020–present
Error Code C-21
Oven sensor shorted / Oven heating over
Moderate
Address soon - your appliance may not work properly
What This Means
Failed oven sensor; Broil heater failure; Bake heater failure; Convection heater failure; DLB relay failure; Main PCB failure; Harness disconnection
How to Fix
- 1
Disconnect power and open back cover
- 2
Disconnect sensor harness from control and measure sensor resistance (1080Ω at room temperature)
- 3
Check broil, bake and convection heater resistance values
- 4
Check DLB of sub PCB relay operation
- 5
Check harness connections to main PCB
- 6
Measure oven sensor connector resistance on main PCB (Normal: 2850Ω)
This Error Applies To
Samsung NE59K3310S Series Ovens & Ranges (2020) (2020–present)
Service manual exact match: NE59K3310SSService manual exact match: NE59*4311**Service manual exact match: NE59M4310SSService manual exact match: NE59*751***Service manual exact match: NE59T4311SSService manual exact match: NE59T4311SG