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Atlas Copco QAS 250-330 JD T4i - Page 20

Atlas Copco QAS 250-330 JD T4i
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Alarm Display (pop-up window)
In case an Alarm occurs, a pop-up window will
automatically be displayed for as long as the alarm is
active, no matter which view is active. The flashing red
alarm LED will light up. The alarm icons will be shown
together with an acknowledgement check-box. Push the
ENTER button to acknowledge the alarm. When the alarm
has been acknowledged, a V-marking will appear in the
check-box and the red alarm LED will light up
continuously.
The Alarm Display can always be left or entered again by
pushing the BACK button.
If more than one alarm comes up, it's possible to scroll
through the alarm messages with the UP and DOWN
pushbuttons. The newest alarm will be placed at the
bottom of the list (meaning that the older alarm stays at the
display when a newer alarm comes up).
If one or more than one alarm is present, an arrow at the
right of the display will be shown.
Following general groups of Alarms exist:
Warning: Alarm LED lights up + Alarm pop-up appears
on the display + Alarm relay is empowered (if configured)
Trip of GB: ‘Warning’ actions + Generator Contactor
opens
Trip and Stop: ‘Trip of GB’ actions + unit stops after
Cooldown
Shutdown: ‘Trip of GB’ actions + unit stops immediately
List of possible alarms:
An alarm should always be acknowledged
before solving the problem that causes the
alarm.
LOW OIL
PRESSURE
HIGH COOLANT
TEMPERATURE
CHARGING
ALTERNATOR
LOW FUEL LEVEL
LOW COOLANT
LEVEL
GENERATOR
OVERVOLTAGE
GENERATOR
UNDER-
VOLTAGE
GENERATOR
OVER-
FREQUENCY
GENERATOR
UNDER-
FREQUENCY
SERVICE TIMER 1
SERVICE TIMER 2
ENGINE ALARM
EMERGENCY
STOP
START FAILURE
STOP FAILURE

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