Home / Error codes / Oven & range / C-21
Samsung oven & range error C-21
Oven temperature too high. The sensor detected overheating.
Serious · needs a technician
C-21
Meaning: Oven temperature too high
What causes C-21
The sensor detected overheating.
What to do
Turn the oven off and let it cool. If it returns, call a technician.
Can I fix it myself?
No. This is a fault a technician should handle; keep using the appliance and it can get worse or become unsafe.
If the code comes back
Book a visit and add the code to the booking. A technician arrives knowing which parts to bring, diagnoses the oven & range for a flat $89 and gives you an exact quote before doing any work.
Same oven & range