Error Code C-20

Oven sensor is open (over 2950 Ohms)

What This Means

Oven sensor failure or open circuit; Damaged wire harness; Loose connection

How to Fix

1. 1

   Disconnect power and open back cover

2. 2

   Disconnect sensor harness from control

3. 3

   Measure sensor resistance - should be 1080 Ohms at room temperature

4. 4

   If resistance is incorrect, replace oven sensor

5. 5

   Check for damaged terminals or wire harness

6. 6

   Verify CNS300 connector on main PCB connection