Samsung · Oven & Range
C-20 / C-d0
Door lock error (self-clean)
What causes it
Door lock motor or switch fault.
What to check before calling
- ✓Don't run self-clean again until it's inspected.
- ✓Power-cycle at the breaker — if the door won't unlock, call us rather than forcing it.
What happens when you call us
If those checks don't clear the C-20 / C-d0 code, it's usually a sign of a failed part rather than something to keep resetting. A technician runs a full diagnostic on your oven & range, confirms the cause, and quotes the repair before any work starts. The $89 service call is waived if you go ahead with the repair, and parts and labor are covered by our 90-day warranty on parts & labor.
Still showing C-20 / C-d0?
Same-day diagnosis and repair across Las Vegas, Henderson, and Summerlin. $89 service call, waived with repair.
Other Oven & Range Error Codes
Not seeing C-20 / C-d0, or want to compare it against a different code on the display? Here's what these other common oven & range codes mean.
- Samsung E76 / E77Fan or motor error
- GE F1 / F2 / F3Control board or sensor fault
- GE F7Stuck function key
- Whirlpool & Maytag F1 / F5Control board fault
- Whirlpool & Maytag F3 / F4Oven temperature sensor (RTD) fault
- Wolf, Viking & Thermador Flashing "F" + numberFault code — meaning is model-specific on professional ranges