Error Code C-21

Oven heating over / overheating

What This Means

Faulty oven sensor; Relay malfunction; Heater element issue; PCB damage

How to Fix

1. 1

   Disconnect power

2. 2

   Measure oven sensor resistance (1080Ω at room temperature)

3. 3

   Check DLB, Broil, Bake and Convection heater relays for normal operation

4. 4

   Check TB201, TB205, TB206 terminal connections

5. 5

   Verify heater resistance 30-800Ω

6. 6

   Replace main PCB if defective