SamsungOvens & Ranges2017–present

Samsung DOB30M977 Series Ovens & Ranges (2017)

Covers Service manual exact match: DOB30M977D, Service manual exact match: DOB30M977S

11 error codes

13 parts documented

Error Codes

Click any code for detailed troubleshooting steps

Code	Meaning	Severity
C-20	Oven temperature sensor circuit is open	Critical
C-21	Oven overheating - internal temperature critically high	Critical
C-23	Meat probe sensor short circuit detected	Moderate
C-30	PCB temperature sensor open or short circuit	Critical
C-31	PCB overheating - internal temperature critically high	Critical
C-70	Steam temperature sensor circuit is open	Moderate
C-72	Steam drain system not working - water remains after cycle	Moderate
C-A2	Cooling fan motor malfunction	Moderate

Showing 8 of 11 error codes

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