Error Code C-20

Oven sensor open circuit during operation

What This Means

Oven sensor disconnection or failure; Harness damage between sensor and sub PCB (CN100); Sub PCB connector damage; Sub PCB defect

How to Fix

1. 1

   Disconnect power

2. 2

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

3. 3

   Check CN100 connector resistance on sub PCB (normal 2850 ohms)

4. 4

   Verify harness connections between oven sensor and CN100

5. 5

   Inspect sub PCB for damaged patterns or components

6. 6

   Replace oven sensor if open

7. 7

   Replace sub PCB if defective

This Error Applies To

Samsung NE63T8511SS Series Ovens & Ranges (2022) (2022–present)