How do I fix error code C-31 on my Samsung NX58K7850SG?

1. undefined: Disconnect power immediately 2. undefined: Remove the Main PCB 3. undefined: Check for blockages preventing proper cooling 4. undefined: Inspect PCB for damage or components touching chassis 5. undefined: Replace Main PCB

Samsung NX58K7850SGOvens & Range

Error Code C-31

Q: What does error code C-31 mean on a Samsung NX58K7850SG?

PCB temperature too high - Safety error PCB overheating; Defective temperature sensor on PCB; Poor ventilation in appliance cavity

PCB temperature too high - Safety error

Moderate

Address soon - your appliance may not work properly

What This Means

PCB overheating; Defective temperature sensor on PCB; Poor ventilation in appliance cavity

How to Fix

1
Disconnect power immediately
2
Remove the Main PCB
3
Check for blockages preventing proper cooling
4
Inspect PCB for damage or components touching chassis
5
Replace Main PCB

Other Error Codes for NX58K7850SG

C-d0

Shorted key - Keypad malfunction

C-20

Oven sensor opened (over 2950Ω) or shorted (under 930Ω)

C-21

Oven heating over - temperature exceeds safe limits

C-30

PCB sensor opened or shorted - Oven sensor error

C-d1

Door lock malfunction - Lock motor or switch error

C-F0

Main to Sub PCB communication error - Continuous communication failure between Main PCB and Sub display/fan control PCB

C-F2

Main to Touch PCB communication error - Communication failure between Main PCB and Touch control panel

C-A2

BLDC motor operation error - Cooling fan or air intake motor malfunction

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