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Atlas Copco QES 40-50 Kd S2/S3A ESF - Alarm Icon Overview

Atlas Copco QES 40-50 Kd S2/S3A ESF
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6.4.2 Alarm icon overview
Auxiliary inputs Auxiliary inputs can be user configured and will display the message as written by the user.
Fail to start The engine has not fired after the preset number of start attempts.
Fail to stop
The module has detected a condition that indicates that the engine is running when it has been
instructed to stop.
‘Fail to Stop’ could indicate a faulty oil pressure sensor. If the engine is at rest,
check the oil sensor wiring and configuration.
Low oil pressure warning
The module detects that the engine oil pressure has fallen below the low oil pressure pre-alarm
setting level after the Safety On timer has expired.
Engine high temperature
The module detects that the engine coolant temperature has exceeded the high engine
temperature pre-alarm setting level after the Safety On timer has expired.
Under speed The engine speed has fallen below the underspeed pre-alarm setting.
Over speed The engine speed has risen above the overspeed pre-alarm setting.
Charge failure The auxiliary charge alternator voltage is low as measured from the W/L terminal.
Low fuel level The level detected by the fuel level sensor is below the low fuel level setting.
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