Error code
C-d1
Meaning
Door locking malfunction
Moderate
What to do
Why this happens
Possible causes include a disconnected harness at the door lock switch or motor, abnormal resistance in the door lock motor, absence of voltage reaching the motor during operation, malfunctioning door lock switch, or an issue with the main PCB connector.
SourceSamsung service manual - 30" Freestanding Self-Cleaning Electric Range