Error Code C-20
Oven sensor is open when operating (temperature sensor circuit open)
Moderate
Address soon - your appliance may not work properly
What This Means
Loose sensor connector; Defective temperature sensor; Broken wire in harness; Disconnected sensor at Main PCB
How to Fix
- 1
Disconnect power
- 2
Check Main PCB connector CN320 connection
- 3
Check sensor connector connection
- 4
Measure sensor resistance (normal 1080 ohms at room temp)
- 5
Replace temperature sensor if connectors are properly seated
- 6
Replace Main PCB if problem persists
Other Error Codes for NV51K7770SS
Meat probe sensor is shorted when oven is operating
Drain system problem or water remaining after draining (water level sensor issue)
Steam sensor is open or shorted during steam mode
Cooling motor operating abnormally
Door lock is mispositioned or not operating
Communication between Main and Touch PCB interrupted
PCB temperature sensor is open
Partition inserted or removed while oven is operating