Samsung Ovens & Ranges

Error Code C-70

Steam sensor circuit is open - no temperature feedback

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-70

What This Means

Steam sensor connector not inserted; Steam sensor wire broken; Steam sensor failure; Main PCB failure

What actually causes this:

Loose connector, broken wire, or failed sensor

First Thing to Check

Inspect and reseat steam sensor connector at Main PCB (CN340)

Parts Involved

Steam Temperature SensorMain PCBConnectors

How to Fix

  1. 1

    Check steam sensor connector at Main PCB (CN340)

  2. 2

    Check steam sensor connector at sensor

  3. 3

    Measure steam sensor resistance

  4. 4

    Verify wire harness continuity

This Error Applies To

Samsung DOC30P977D Series Ovens & Ranges

Service manual exact match: NQ70M9770DService manual exact match: DOC30P977DService manual exact match: NQ70M7770D

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