Error Code C-20

Oven sensor opened (over 2950Ω)

What This Means

Shorted sensor terminals; Damaged wiring harness; Defective oven sensor

How to Fix

1. 1

   Disconnect power and open back cover

2. 2

   Measure sensor resistance (normal: 1080Ω at room temperature)

3. 3

   Check for damaged terminals or wires

4. 4

   Measure resistance of connector CN320 on Main PCB (normal: 2850Ω)

5. 5

   Replace oven sensor if abnormal