Prax
Sign InGet Started
Samsung Ovens & Ranges2017–present

Error Code C-70

Steam temperature sensor circuit is open

Moderate

Address soon - your appliance may not work properly

Also displayed as: C-70

What This Means

Steam sensor connector loose at main PCB; Steam sensor connector loose at sensor; Damaged temperature sensor; Main PCB failure

What actually causes this:

Steam sensor wire broken, connector loose, or sensor failed in steam mode

First Thing to Check

Check steam sensor connector at main PCB is fully inserted

Parts Involved

Steam SensorTemperature Sensor ConnectorMain PCB

How to Fix

  1. 1

    Check connector at main PCB is inserted

  2. 2

    Check connector at sensor is inserted

  3. 3

    Inspect connectors for bent or corroded pins

  4. 4

    If connectors are secure, replace temperature sensor

  5. 5

    If problem persists, replace main PCB

This Error Applies To

Samsung DOB30M977 Series Ovens & Ranges (2017) (2017–present)

Service manual exact match: DOB30M977DService manual exact match: DOB30M977S

Related Error Codes

C-F2

Touch panel control communication failure

C-30

PCB temperature sensor open or short circuit

C-A2

Cooling fan motor malfunction

C-20

Oven temperature sensor circuit is open

C-31

PCB overheating - internal temperature critically high

C-21

Oven overheating - internal temperature critically high

C-23

Meat probe sensor short circuit detected

C-72

Steam drain system not working - water remains after cycle

Need more help with your Samsung ovens & ranges?