Name: Samsung NV51R5511S
Brand: Samsung

Question 1

What does error code bAd LinE mean on Samsung NV51R5511S?

Accepted Answer

Power connection is installed improperly. Cause: Incorrect power connection wiring; Improper installation of power cord.

Question 2

What does error code C-20 mean on Samsung NV51R5511S?

Accepted Answer

Oven sensor is open when the oven is operating. Cause: Connector at Main PCB not inserted; Connector at sensor not inserted; Faulty temperature sensor; Damaged or open oven sensor wire harness; Damaged Main PCB.

Question 3

What does error code C-21 mean on Samsung NV51R5511S?

Accepted Answer

Oven sensor is short or internal temperature rises abnormally high when oven is operating. Cause: Faulty oven sensor; Shorted relays (DLB, broil, bake, or convection); Disconnected wire harness on Main PCB; Abnormal heater resistance.

Question 4

What does error code C-30 mean on Samsung NV51R5511S?

Accepted Answer

PCB temperature sensor is open or shorted when oven is operating. Cause: Faulty Main PCB temperature sensor.

Question 5

What does error code C-31 mean on Samsung NV51R5511S?

Accepted Answer

PCB temperature rises abnormally high. Cause: Overheating of PCB; Faulty cooling system.

Question 6

What does error code C-A2 mean on Samsung NV51R5511S?

Accepted Answer

Cooling motor is operating abnormally. Cause: Connector at Main PCB not inserted; Connector at motor not inserted; Faulty cooling motor.

Question 7

What does error code C-d0 mean on Samsung NV51R5511S?

Accepted Answer

Keys are shorted. Cause: Keypad cable not inserted into connector on Sub PCB; Short between Sub PCB and the connector; Short between keypad and the cable; Damaged Sub PCB.

Question 8

What does error code C-d1 mean on Samsung NV51R5511S?

Accepted Answer

Door lock is mispositioned. Cause: Harness not connected with door lock switch and motor; Door lock motor resistance out of range; Incorrect voltage at door lock motor; Door locking switch not working normally; Circuit breaker tripped or power failure during door lock operation.

Question 9

What does error code C-F0 mean on Samsung NV51R5511S?

Accepted Answer

Communication between the Main and Sub PCB is interrupted. Cause: Connector on Main PCB not inserted correctly; Connector on Sub PCB not inserted correctly; Shorted pins or damaged circuit between PCBs; Damaged wire harness between Wall Main, New FM Main, and Sub PCBs.

Question 10

What does error code C-F2 mean on Samsung NV51R5511S?

Accepted Answer

Communication between the Main and Touch PCB is interrupted. Cause: Connector of Sub PCB not inserted; Ribbon cable from touch panel not connected normally to Sub PCB; Damaged wire to touch panel.

NV51R5511S

Error Codes

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Code	Meaning	Severity
bAd LinE	Power connection is installed improperly	Moderate
C-20	Oven sensor is open when the oven is operating	Moderate
C-21	Oven sensor is short or internal temperature rises abnormally high when oven is operating	Moderate
C-30	PCB temperature sensor is open or shorted when oven is operating	Moderate
C-31	PCB temperature rises abnormally high	Moderate
C-A2	Cooling motor is operating abnormally	Moderate
C-d0	Keys are shorted	Moderate
C-d1	Door lock is mispositioned	Moderate