Name: Samsung NQ70R5511DG
Brand: Samsung

Question 1

What does error code bAd LinE mean on Samsung NQ70R5511DG?

Accepted Answer

Power connection installed improperly. Cause: AC power cord not connected correctly; Power connection loose.

Question 2

What does error code C-20 mean on Samsung NQ70R5511DG?

Accepted Answer

Oven sensor is open when oven is operating. Cause: Connector at Main PCB not inserted; Connector at sensor not inserted; Temperature sensor failed; Main PCB damaged.

Question 3

What does error code C-21 mean on Samsung NQ70R5511DG?

Accepted Answer

Oven temperature rises abnormally high; Oven sensor is short when oven is operating. Cause: Oven sensor resistance incorrect; Broil, bake, or convection heater problem; DLB relay malfunction; Wire harness disconnected on Main PCB.

Question 4

What does error code C-30 mean on Samsung NQ70R5511DG?

Accepted Answer

PCB temperature sensor is open or shorted when oven is operating. Cause: PCB temperature sensor failed; Main PCB damaged.

Question 5

What does error code C-31 mean on Samsung NQ70R5511DG?

Accepted Answer

PCB temperature rises abnormally high. Cause: Main PCB overheating; Thermal management failure.

Question 6

What does error code C-A2 mean on Samsung NQ70R5511DG?

Accepted Answer

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

Question 7

What does error code C-d0 mean on Samsung NQ70R5511DG?

Accepted Answer

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

Question 8

What does error code C-d1 mean on Samsung NQ70R5511DG?

Accepted Answer

Door lock is mispositioned. Cause: Harness not connected with door lock switch; Door lock motor resistance incorrect; Door locking switch not working.

Question 9

What does error code C-F0 mean on Samsung NQ70R5511DG?

Accepted Answer

Communication interrupted between Main and Sub PCB. Cause: Connector on Main PCB not inserted correctly; Connector on Sub PCB not inserted correctly; Main PCB damaged.

Question 10

What does error code C-F2 mean on Samsung NQ70R5511DG?

Accepted Answer

Communication interrupted between Main and Sub PCB. Cause: Sub PCB connector not inserted; Sub PCB damaged; Main control PCB damaged.

NQ70R5511DG

Error Codes

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Code	Meaning	Severity
bAd LinE	Power connection installed improperly	Moderate
C-20	Oven sensor is open when oven is operating	Moderate
C-21	Oven temperature rises abnormally high; Oven sensor is short 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