Name: Samsung NV51M9970SS
Brand: Samsung

Question 1

What does error code -dC- mean on Samsung NV51M9970SS?

Accepted Answer

Partition inserted or removed while oven is operating. Cause: Partition flexing during operation; Partition switch false trigger; Loose partition assembly.

Question 2

What does error code C-20 mean on Samsung NV51M9970SS?

Accepted Answer

Oven sensor is open when operating (temperature sensor circuit open). Cause: Loose sensor connector; Defective temperature sensor; Broken wire in harness; Disconnected sensor at Main PCB.

Question 3

What does error code C-21 mean on Samsung NV51M9970SS?

Accepted Answer

Oven sensor is short or internal temperature rises abnormally high. Cause: Temperature sensor short circuit; Heater stuck in on state; Faulty relay not cutting off heater; Damaged sensor connector.

Question 4

What does error code C-23 mean on Samsung NV51M9970SS?

Accepted Answer

Meat probe sensor is shorted when oven is operating. Cause: Probe harness shorted; Defective probe sensor; Damaged connector terminals.

Question 5

What does error code C-30 mean on Samsung NV51M9970SS?

Accepted Answer

PCB temperature sensor is open. Cause: Main board temperature sensor failure; Sensor connector loose or disconnected.

Question 6

What does error code C-31 mean on Samsung NV51M9970SS?

Accepted Answer

PCB temperature sensor is shorted or PCB temperature rises abnormally. Cause: Main PCB temperature sensor short; Excessive heat buildup in control cabinet.

Question 7

What does error code C-70 mean on Samsung NV51M9970SS?

Accepted Answer

Steam sensor is open or shorted during steam mode. Cause: Water sensor harness disconnected; Defective water level sensor; Loose sensor connector.

Question 8

What does error code C-72 mean on Samsung NV51M9970SS?

Accepted Answer

Drain system problem or water remaining after draining (water level sensor issue). Cause: Pump motor failure; Faulty water level sensor; Clogged drain line; Disconnected ground wire on steam generator.

Question 9

What does error code C-A2 mean on Samsung NV51M9970SS?

Accepted Answer

Cooling motor operating abnormally. Cause: Cooling motor connector loose; Defective cooling motor; Disconnected motor harness.

Question 10

What does error code C-d0 mean on Samsung NV51M9970SS?

Accepted Answer

Keys are shorted or contact issues on keypad. Cause: Shorted keypad keys; Poor keypad connector contact; Sub PCB keypad connector loose.

NV51M9970SS

Error Codes

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Code	Meaning	Severity
-dC-	Partition inserted or removed while oven is operating	Moderate
C-20	Oven sensor is open when operating (temperature sensor circuit open)	Moderate
C-21	Oven sensor is short or internal temperature rises abnormally high	Moderate
C-23	Meat probe sensor is shorted when oven is operating	Moderate
C-30	PCB temperature sensor is open	Moderate
C-31	PCB temperature sensor is shorted or PCB temperature rises abnormally	Moderate
C-70	Steam sensor is open or shorted during steam mode	Moderate
C-72	Drain system problem or water remaining after draining (water level sensor issue)	Moderate