Error Code C-20

Oven Sensor Malfunction

What This Means

Sensor open circuit; Sensor short circuit; Sensor wire disconnection; Sensor terminal shorted on PCB

How to Fix

1. 1

   Check sensor wire connectivity

2. 2

   Check sensor terminal on PCB for shorts

3. 3

   Verify sensor resistance using multimeter (1KΩ - 2MΩ normal range)

4. 4

   Check voltage changes as humidity and temperature change

5. 5

   Reconnect sensor if loose

6. 6

   Remove any foreign substance from shorted part

7. 7

   Replace sensor if out of order

8. 8

   Replace PCB if sensor replacement doesn't resolve issue