Samsung Ovens & Ranges

Error Code C-20

Oven sensor error / Door locking error (sensor circuit interruption)

Moderate

Address soon - your appliance may not work properly

What This Means

Disconnected harness from door lock switch; Oven sensor malfunction; Main PCB door lock circuit issue; Damaged harness or connector

How to Fix

  1. 1

    Disconnect power and open cover-back

  2. 2

    Check harness connection at door lock switch and motor

  3. 3

    Measure room temperature and check oven sensor resistance (2048-2878.57 ohms at room temp 68-72°F)

  4. 4

    Check CN320 connector on main PCB for oven sensor

  5. 5

    Verify harness connections related to oven sensor

  6. 6

    Replace oven sensor if resistance abnormal

  7. 7

    Check and repair PCB pattern or solder joints

  8. 8

    Replace main PCB if necessary

This Error Applies To

Samsung NE58K9430S Series Ovens & Ranges

Service manual exact match: NE58R9311SSService manual exact match: NE58K9430SS

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