Name: Samsung NV51M9970D
Brand: Samsung

Question 1

What does error code -dC- mean on Samsung NV51M9970D?

Accepted Answer

Partition inserted or removed while oven is operating. Cause: Partition position changed during operation.

Question 2

What does error code C-20 mean on Samsung NV51M9970D?

Accepted Answer

Oven sensor open circuit when operating. Cause: Sensor connector at Main PCB not inserted; Sensor connector disconnected; Temperature sensor open/defective; Main PCB damaged.

Question 3

What does error code C-21 mean on Samsung NV51M9970D?

Accepted Answer

Internal temperature rises abnormally high - Oven sensor short circuit or thermal runaway. Cause: Temperature sensor short or defective; Broil, bake, or convection heater stuck on; Relay malfunction; Wire harness disconnected; Sensor connector resistance incorrect.

Question 4

What does error code C-23 mean on Samsung NV51M9970D?

Accepted Answer

Temp probe sensor is shorted when oven is operating. Cause: Meat probe short or defective; Harness damaged; Connector terminal damage.

Question 5

What does error code C-30 mean on Samsung NV51M9970D?

Accepted Answer

PCB temp sensor is open when oven is operating. Cause: PCB temperature sensor open or defective.

Question 6

What does error code C-31 mean on Samsung NV51M9970D?

Accepted Answer

PCB temperature rises abnormally high. Cause: PCB thermal runaway; Main PCB failure.

Question 7

What does error code C-70 mean on Samsung NV51M9970D?

Accepted Answer

Steam sensor open when steam mode is on. Cause: Main PCB connector not inserted; Steam sensor connector disconnected; Temperature sensor open or defective; Main PCB damaged.

Question 8

What does error code C-72 mean on Samsung NV51M9970D?

Accepted Answer

Drain system problem - Water level sensor detects water remaining after max draining time. Cause: Ground wire on steam generator disconnected; Pump motor not operating; Wire connection faulty; Main PCB failure.

Question 9

What does error code C-A2 mean on Samsung NV51M9970D?

Accepted Answer

Cooling motor operating abnormally. Cause: Main PCB connector not inserted; Cooling motor connector disconnected; Hall sensor PCB failure; Cooling motor failure.

Question 10

What does error code C-d0 mean on Samsung NV51M9970D?

Accepted Answer

Keys are shorted - Keypad short circuit detected. Cause: Keypad cable not inserted into Sub PCB connector; Shorts between Sub PCB and connector; Shorts between keypad and cable.

NV51M9970D

Error Codes

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Code	Meaning	Severity
-dC-	Partition inserted or removed while oven is operating	Moderate
C-20	Oven sensor open circuit when operating	Moderate
C-21	Internal temperature rises abnormally high - Oven sensor short circuit or thermal runaway	Moderate
C-23	Temp probe sensor is shorted when oven is operating	Moderate
C-30	PCB temp sensor is open when oven is operating	Moderate
C-31	PCB temperature rises abnormally high	Moderate
C-70	Steam sensor open when steam mode is on	Moderate
C-72	Drain system problem - Water level sensor detects water remaining after max draining time	Moderate