Skip to main contentStart diagnosing C-70 on your Samsung oven
What this code means
The steam sensor is open or short when the steam mode is operating.
First step from the service manual
Check whether connector at the main PCB has been inserted. Check whether connector at the sensor has been inserted. If both are correct, replace the temperature sensor.
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
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What’s available for Samsung oven models
Access Samsung oven service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.