SECTION 6 DE-18 USER MANUAL
77
6.6 NORMAL STOPPING
SEQUENCE
Press the stop button and close the service valve.
• The controller will go to the "COOLDOWN"
state. The compressor unloads immedi-
ately and the engine speed reduces to
1400 rpm for a cool down duration of 5
minutes.
• After the cool down period expires, the
drain solenoid valves are energized for 10
seconds and the power to the CAT ECM is
turned off.
• The engine PTO enable is turned off.
• The controller will return to the "STANDBY"
state.
• Open the interstage and the aftercooler
drain solenoid manual levers. After a delay
period (adjustment P-17), the controller will
automatically power down. However, if the
control is setup to sequence or autostart
machines, the control will remain in
standby and not powerdown until the pow-
erdown button is pressed.
6.7 EMERGENCY SHUTDOWN
Pressing the emergency stop button will immediately
stop the unit and turn off the power. The E-Stop
should only be used for emergencies.
6.8 WARNING SEQUENCE
ENGINE WARNING:
ENGINE WARNING: If any of the warning settings
are violated, the “ENG WARNING" light (yellow) on
the panel will flash a code. A decal describing certain
f1ashcodes is attached to the panel door. For
additional flash code description, refer to the Engine
Operator's manual.
COMPRESSOR WARNING:
If any of the warning settings are violated, the
"COMP WARNING" light (yellow) will turn on and the
EMS will display a message
6.9 SHUTDOWN SEQUENCE
ENGINE SHUTDOWN:
If the CAT ECM shuts down the engine, the message
"CAT ECM SD" will be displayed on the first line of
the EMS 547. In addition, the “ENGINE SHUT-
DOWN" located on the panel will flash a code. A
decal describing certain flash codes is attached to
the panel door. For additional flash code description,
refer to the Engine Operator's manuaL
COMPRESSOR SHUTDOWN:
If any of the compressor shutdown settings are
violated, the EMS 547 will de-energize the CAT ECM
and shut down the engine. The cause of the shut
down will be displayed on the second line of the EMS
547 display, and the “COMPRESSOR SHUTDOWN"
light will come on.
The controller can be reset by pressing and
WARNING
MANDATORY TO MAINTAIN WARRANTY
DE-18 SHUT DOWN / PREVENTIVE MAIN-
TENANCE PROCEDURE
MANDATORY – IF MACHINE IS NO LONGER
IN SERVICE AND IS TO BE REMOVED
FROM JOBSITE OR RETURNED TO YARD.
THE FOLLOWING SERVICE IS TO BE PER-
FORMED WITHIN 24 – 48 HOURS OF SHUT
DOWN. THIS PROCESS MUST BE DOCU-
MENTED.
• The air end must be rotated 8-10
times. Do not allow the engine to
start. Rotate machine by hand or
by using the engine’s starter
motors. The object is to rotate the
air end so as to not allow conden-
sate debris to create a restriction
thus binding the second stage air
end.
NOTE
Shutdown/fault will be displayed on EMS
547 display.
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