Samsung Ovens & Ranges
Error Code C-21
Oven heating over
Moderate
Address soon - your appliance may not work properly
What This Means
Faulty oven sensor; Defective heater relays; Stuck relay contacts; Damaged PCB pattern
How to Fix
- 1
Measure sensor resistance (normal: 1080Ω)
- 2
Check broil, bake, and convection heater resistance
- 3
Check DLB relay and all heater relays on Sub PCB
- 4
Check wiring connections on Main PCB
- 5
Measure oven sensor connector resistance on Main PCB (normal: 2850Ω)
- 6
Replace defective components
This Error Applies To
Samsung NE59J7850W Series Ovens & Ranges
Service manual exact match: NE59*685***/ACService manual exact match: NE59J7850WSService manual exact match: NE59*685***