Identify the trigger
State whether the entire display went blank, the household supply was interrupted or only the time changed. Include whether other connected equipment was affected.
Use the correct control instructions
Clock and timer sequences are model specific. Use the matching manual for ordinary settings, and describe anything that still differs afterwards. Repeated loss of power should not be treated as a simple clock adjustment or repeatedly provoked.
A useful distinction
A clock setting that blocks cooking on one model may be irrelevant on another. The matching instructions should guide ordinary operation, while repeated spontaneous resets remain a separate fault enquiry.