Name: Samsung NE58R9431ST
Brand: Samsung

Question 1

What does error code C-20 mean on Samsung NE58R9431ST?

Accepted Answer

Oven sensor is open when oven is operating. Cause: Oven sensor connector not inserted at Main PCB; Oven sensor connector not inserted; Oven sensor faulty or open circuit; Defective Main PCB.

Question 2

What does error code C-21 mean on Samsung NE58R9431ST?

Accepted Answer

Oven temperature rises abnormally high or sensor is short. Cause: Oven sensor resistance incorrect (should be 1080 Ohms at room temperature); Broil, bake, or convection heater resistance abnormal; DLB, broil, bake, or convection relays not working normally; Wire harness on Main PCB disconnected; Oven sensor connector resistance incorrect (should be 2850 Ohms); PCB temperature sensor abnormality.

Question 3

What does error code C-30 mean on Samsung NE58R9431ST?

Accepted Answer

PCB temperature sensor is open when oven is operating. Cause: PCB temperature sensor open circuit; PCB temperature sensor short circuit; Defective Main PCB.

Question 4

What does error code C-31 mean on Samsung NE58R9431ST?

Accepted Answer

PCB temperature rises abnormally high. Cause: PCB overheating; Defective Main PCB.

Question 5

What does error code C-d0 mean on Samsung NE58R9431ST?

Accepted Answer

Keypad short circuit. Cause: Keypad cable not inserted into connector of Sub PCB; Short circuit between Sub PCB connector and keypad cable; Short circuit between keypad and cable.

Question 6

What does error code C-d1 mean on Samsung NE58R9431ST?

Accepted Answer

Door lock is mispositioned. Cause: Door lock switch disconnected from harness; Door lock motor resistance incorrect (should be 2500-2700 Ohms at room temperature); Door lock power voltage incorrect (should be AC 120V); Door locking switch not working normally.

Question 7

What does error code C-F0 mean on Samsung NE58R9431ST?

Accepted Answer

Communication between Main and Sub PCB is interrupted. Cause: Main PCB connector not inserted; Sub PCB connector not inserted; Defective Main PCB.

Question 8

What does error code C-F2 mean on Samsung NE58R9431ST?

Accepted Answer

Communication between Main and Touch PCB is interrupted. Cause: Sub PCB connector not inserted; Ribbon cable from touch panel not connected normally into Sub PCB; Defective Sub PCB.

NE58R9431ST

Error Codes

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Code	Meaning	Severity
C-20	Oven sensor is open when oven is operating	Moderate
C-21	Oven temperature rises abnormally high or sensor is short	Moderate
C-30	PCB temperature sensor is open when oven is operating	Moderate
C-31	PCB temperature rises abnormally high	Moderate
C-d0	Keypad short circuit	Moderate
C-d1	Door lock is mispositioned	Moderate
C-F0	Communication between Main and Sub PCB is interrupted	Moderate
C-F2	Communication between Main and Touch PCB is interrupted	Moderate