Loud Beeps from Train Cabin

 
  justinyau Beginner

Location: Perth, Western Australia
When I sit/stand near the front of the train, I sometimes hears some loud beeps for about 5 seconds at most, does anyone know what the beeps are or what they alert?

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  KRviator Moderator

Location: Up the front
ATP warnings at a guess.
  wn514 Chief Commissioner

Location: at a skyhooks concert living in the 70's
When I sit/stand near the front of the train, I sometimes hears some loud beeps for about 5 seconds at most, does anyone know what the beeps are or what they alert?
justinyau

probably need a bit more information. I take it you are talking about suburban passenger trains?
  thewaratahtrain Chief Train Controller

When I sit/stand near the front of the train, I sometimes hears some loud beeps for about 5 seconds at most, does anyone know what the beeps are or what they alert?
justinyau
you mean when you're on an A series?
  WAGR Chief Commissioner

When I sit/stand near the front of the train, I sometimes hears some loud beeps for about 5 seconds at most, does anyone know what the beeps are or what they alert?
justinyau
Hmmm might be the drivers pacemaker alarm goin off
  DBclass Chief Commissioner

Location: Western Australia
All trains have vigilance systems which could be the beep.

ACN locos beep like a car horn sometimes when standing. I believe this is the auto start/ stop warning for the engine.
  QBB 2889 Locomotive Fireman

I know which beeps your talking about. Its on the A class and sounds like its a notification of changing to higher gears. That's just a guess.
  SantaFe5811 Station Staff

Location: Perth, Western Australia
Trains don't have gears like trucks/buses to 'change gears' , so it can't be that.   I am assuming you're sitting next to the cab on an A series EMU.  It's the ATP confirmation system.   It makes a sound at change of throttle, change of speed, signals and interlockings.

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