How do I fix error code C-21 on a Samsung ovens & ranges?

1. undefined: Measure oven sensor resistance (1080Ω at room temperature) 2. undefined: Check broil, bake and convection heater resistance 3. undefined: Test DLB of sub PCB and relay operation 4. undefined: Check harness connections to main PCB 5. undefined: Measure oven sensor connector resistance (normal 2850Ω)

Samsung Ovens & Ranges

Error Code C-21

Q: What does error code C-21 mean on a Samsung ovens & ranges?

Oven heating over Defective oven sensor; Faulty broil, bake or convection heater; Faulty DLB or heater relays; Harness disconnection; PCB damage

Oven heating over

Moderate

Address soon - your appliance may not work properly

What This Means

Defective oven sensor; Faulty broil, bake or convection heater; Faulty DLB or heater relays; Harness disconnection; PCB damage

How to Fix

1
Measure oven sensor resistance (1080Ω at room temperature)
2
Check broil, bake and convection heater resistance
3
Test DLB of sub PCB and relay operation
4
Check harness connections to main PCB
5
Measure oven sensor connector resistance (normal 2850Ω)

This Error Applies To

Samsung NX58R9311S Series Ovens & Ranges

Service manual exact match: NX58R9311SSService manual exact match: NX58M9420SS

Related Error Codes

C-20

Oven sensor shorted

C-F0

Communication error between Main and Sub PCB

C-F2

Communication error between Sub PCB and touch control

C-d1

Door locking information error

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