SamsungOvens & Ranges2020–present

Samsung DOB30P977D Series Ovens & Ranges (2020)

Covers Service manual exact match: DOB30P977DS, Service manual exact match: NV51M9770DS

13 error codes

18 parts documented

Error Codes

Click any code for detailed troubleshooting steps

Code	Meaning	Severity
C-20	Oven temperature sensor open circuit	Critical
C-21	Oven temperature control failure causing excessive heating	Critical
C-23	Temperature probe sensor short circuit detected	Moderate
C-30	PCB internal temperature sensor open circuit	Critical
C-31	Safety shutoff due to detected overtemperature on PCB sensor	Critical
C-70	Steam temperature sensor open circuit detected	Moderate
C-71	Steam temperature sensor short circuit	Moderate
C-72	Drain pump failure or water sensor malfunction in steam system	Critical

Showing 8 of 13 error codes

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