600H, 750, 750H, 750HH, 825, 900, 900H, 1050 T3 CAT User Manual 4: Operation
02250197-981 R01
Subject to EAR, ECCN EAR99 and related export control restrictions. 53
4.3 Compressor start-up procedure
1. Turn the ON/OFF/START switch, located on
the Compass
®
Controller, to the “ON” posi-
tion. The controller will power up and a self-
diagnostic program will be initiated. During
the initiation process, the gauges will wag
(the needles on each gauge will sweep
through its full scale) to verify all relevant
sensors are operational. Also, a communica-
tion link will be established with the engine
ECU. During this time, several messages will
be displayed on the panel. Some of these
messages may not be noticed by the opera-
tor because the controller steps through the
initialization phase rather quickly. However,
the operator should see the following mes-
sages during this step:
When the system has successfully initial-
ized, the following message will be displayed
on the LCD graphic display:
2. Turn the OFF/ON/START switch to the
“START” position. You do not have to hold
the switch in the “START” position. The LCD
panel will show the following message:
Once the compressor has started, the unit
will enter a warm-up phase. At this point, the
unit is not producing usable compressed air
and the service valve should still be closed.
The following message will be displayed on
the LCD panel:
Once the proper operating conditions are
met, the machine will automatically switch
into run mode and provide pressurized ser-
viced air.
WARNING
If machine does not start successfully when
starter disengages, the starter will automatically
engage up to four more times after brief pauses
to try and start the machine.
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