Volvo FM Handbook page 132

Number Meaning
406 Reset all data? Hold SELECT for 1 second.
409 24h
410 AM/PM
411 yymmdd
412 ddmmyy
413 mmddyy
414 Enter new password:
415 Present limit:
416 Set new value:
417 Switch off all current consumers, then turn ignition off
418 Set start time:
419 No faults
420 Inactive
421 Active
422 Number of events:
423 More info? Hold SELECT
424 Reset all faults of this MID? Hold SELECT for 1 second.
425 Reset all faults? Hold SELECT for 1 second.
426 Alarm
427 Alarm clock
428 Warning
429 Flashers
430 Hardware number:
431 Software number:
432 Set overspeed
433 Reset all trip data? Hold SELECT for 1 second.
Information display 121