How do I fix error code C-31 on a Samsung ovens & ranges?

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Samsung Ovens & Ranges

Error Code C-31

Q: What does error code C-31 mean on a Samsung ovens & ranges?

PCB over-temperature condition Defective main PCB; Short circuit on PCB; Faulty temperature sensor reading; Poor ventilation

PCB over-temperature condition

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-31

What This Means

Defective main PCB; Short circuit on PCB; Faulty temperature sensor reading; Poor ventilation

What actually causes this:

Defective PCB, short circuit, or blocked ventilation

First Thing to Check

Visually inspect main PCB for burn damage or shorts

Parts Involved

Main PCB

How to Fix

1
Disconnect power
2
Check for visible burn marks or damage on main PCB
3
Verify proper airflow through unit
4
Check input voltage at PCB

This Error Applies To

Samsung DOP36C86DL Series Ovens & Ranges

Service manual exact match: DOP36C86DLService manual exact match: DOP48C96DLService manual exact match: DOP48C86DL

Related Error Codes

C-20

Temperature sensor failure - open circuit

C-70

Steam temperature sensor failure

C-72

Steam drain system failure - water not draining

C-d1

Door lock mechanism failure

C-21

Temperature overshoot - sensor or control failure

C-23

Temperature probe failure - short circuit

C-F2

Touch panel communication failure

C-F0

Control board communication failure

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