Prax
Sign InGet Started
Samsung Ovens & Ranges2017–present

Error Code C-30

Internal PCB thermal protection sensor not responding

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-30

What This Means

PCB sensor failure; Loose sensor connection on Main PCB; Broken sensor element

What actually causes this:

PCB sensor element failure due to manufacturing defect or age

First Thing to Check

Check if any burning smell from PCB area indicating temperature exceedance

Parts Involved

Main PCB

How to Fix

  1. 1

    Disconnect power and open back cover

  2. 2

    Check sensor connection on Main PCB

This Error Applies To

Samsung DOB30M977D Series Ovens & Ranges (2017) (2017–present)

Service manual exact match: DOB30M977D*

Related Error Codes

C-72

Steam drainage pump not removing water completely

C-A2

Cooling fan motor not responding to control signals

C-d1

Door lock mechanism is not responding or is stuck

C-F0

Central control PCB cannot communicate with display control board

C-F2

Touch panel cannot communicate with main control board

C-20

Temperature sensor is disconnected or failed - oven cannot measure temperature

C-70

Steam function cannot measure steam temperature

C-23

Meat temperature probe circuit is shorted

Need more help with your Samsung ovens & ranges?