Samsung Ovens & Ranges

Error Code C-20

Temperature sensor open or shorted

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-20

What This Means

Sensor open circuit; Sensor short circuit; Harness damage; Poor connector contact

What actually causes this:

Broken sensor element, corroded connector pins, or severed wiring

First Thing to Check

Measure sensor resistance with multimeter

Parts Involved

Oven temperature sensorMain PCB CN600 connectorWire harness

How to Fix

  1. 1

    Disconnect power and open back cover

  2. 2

    Disconnect sensor harness from control

  3. 3

    Measure sensor resistance at room temperature (should be 1080 ohms)

  4. 4

    Check wire harness terminals for damage

  5. 5

    Check resistance of oven sensor connectors on main PCB with harness disconnected

This Error Applies To

Samsung DOP36P86DLS Series Ovens & Ranges

Service manual exact match: DOP36P86DLS

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