Name: Samsung NE59M3420SS
Brand: Samsung

Question 1

What does error code C-20 mean on Samsung NE59M3420SS?

Accepted Answer

Oven sensor opened. Cause: Oven temperature sensor circuit open; Disconnected sensor harness; Damaged sensor terminals or wiring.

Question 2

What does error code C-21 mean on Samsung NE59M3420SS?

Accepted Answer

Oven heating over - Temperature rising too fast or sensor shorted. Cause: Oven sensor shorted; Defective heater relay; Heater continuously on; Damaged main PCB pattern.

Question 3

What does error code C-30 mean on Samsung NE59M3420SS?

Accepted Answer

PCB temp sensor opened - Temperature sensor circuit open on control board. Cause: NTC temperature sensor on PCB is open circuit; Damaged sensor connections; Defective main PCB.

Question 4

What does error code C-31 mean on Samsung NE59M3420SS?

Accepted Answer

PCB temp over - Control board temperature sensor reading too high. Cause: Defective NTC temperature sensor; Control board overheating; Faulty main PCB.

Question 5

What does error code C-d0 mean on Samsung NE59M3420SS?

Accepted Answer

Shorted key - Membrane keypad short circuit. Cause: Keypad cable not properly inserted into main PCB connector; Short circuit between main PCB connector and keypad cable; Defective membrane keypad; Damaged PCB pattern.

Question 6

What does error code C-d1 mean on Samsung NE59M3420SS?

Accepted Answer

Door locking failure - Door lock motor or switch malfunction. Cause: Door lock motor not functioning; Door lock switch malfunction; Harness disconnected or loose; Main PCB relay failure.

NE59M3420SS

Error Codes

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Code	Meaning	Severity
C-20	Oven sensor opened	Moderate
C-21	Oven heating over - Temperature rising too fast or sensor shorted	Moderate
C-30	PCB temp sensor opened - Temperature sensor circuit open on control board	Moderate
C-31	PCB temp over - Control board temperature sensor reading too high	Moderate
C-d0	Shorted key - Membrane keypad short circuit	Moderate
C-d1	Door locking failure - Door lock motor or switch malfunction	Moderate