Doosan D20S-5 Operation & Maintenance Manual page 121

Diagnostics Features Diagnostics Features
ASC-100 has an internal indicator on the right side ASC-100 has an internal indicator on the right side
of the controller for displaying the selected gear of the controller for displaying the selected gear
and the abnormal condition. and the abnormal condition.
Below is a description applicable for many ASC- Below is a description applicable for many ASC-
100 implementations. 100 implementations.
Display for Operator Display for Operator
This information is given during normal operating This information is given during normal operating
when something special happens. when something special happens.
For example, on ASC-100's with the speed sensor, For example, on ASC-100's with the speed sensor,
one of the indicators is used to indicate a sensor one of the indicators is used to indicate a sensor
problem. problem.
Display Display
A A
P P
F F
6 6
7 7
Display for Troubleshooting Display for Troubleshooting
This information is input signal for This information is input signal for diagnostics.
This test is used to verify an operation of direction This test is used to verify an operation of direction
control lever. control lever.
Display Display
A A
3 3
4 4
Description Description
Automatic operation Automatic operation
Speed sensor Speed sensor open open
Controller Controller fault fault
Forward Sol. Forward Sol. Short Short
Reverse Reverse Sol. Sol. Short Short
diagnostics.
Description Description
Automatic operation Automatic operation
Forward Forward s/w s/w input input Lever input Lever
Reverse Reverse s/w s/w input input Lever input Lever
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Operation Operation
This system can basically operate in 2 pre-selected This system can basically operate in 2 pre-selected
modes. modes.
Automatic Automatic
 
Selected as factory-sett Selected as
Manual Manual
 
operation in emergency. operation in emergency.
Automatic mode (Direction Inhibit Automatic mode (Direction Inhibit
mode) mode)
Start the engine. See topi Start the engine. See topic "Starting the engine".
 
Push down on the service brake pedal Push down on the service brake pedal to hold the
 
lift truck until ready to move it. lift truck until ready to move it.
Release the parking brake. Release the parking brake.
 
Check diagnostics display on controller. See Check diagnostics display on controller. See
 
Remark Remark
"Diagnostics Features". "Diagnostics Features".
Flashing Flashing
Flashing Flashing
The parking brake must be released before the The parking brake must be released before the
Flashing Flashing
direction control lever can be u direction control lever can be used.
Flashing Flashing
The gear direction is selected with the direction The gear direction is selected with the direction
 
control lever. control lever.
In automatic mode, if the turbine speed in a for In automatic mode, if the turbine speed in a for
 
ward direction is higher than direction inhibit ward direction is higher than direction inhibit
speed, though the reverse gear is selected by speed, though the reverse gear is selected by
operator, the direction of travel will not be operator, the direction of travel will not be
changed until the speed is reduced sufficiently by changed until the speed is reduced sufficiently by
Remark Remark
pushing down on the service brake pedal. pushing down on the service brake pedal.
input test test
input test test
When you want to change the direction of travel, When you want to change the direction of travel,
you must push down on the service brake pedal to you must push down on the service brake pedal to
reduce the travel speed. reduce the travel speed.
In automatic mode, the lift truck's stopping distance In automatic mode, the lift truck's stopping distance
may be longer than in manual mode. BE may be longer than in manual mode. BE
CAUTIOUS! CAUTIOUS!
When the directional change is completed, When the directional change is completed,
 
continue to push down on the accelerator pedal continue to push down on the accelerator pedal
to obtain the desired travel speed. to obtain the desired travel speed.
Operation Section Operation Section
mode mode (Direction (Direction Inhibit Inhibit
factory-setting. ing.
mode mode (Fail-Safe (Fail-Safe mode): mode):
c "Starting the engine".
NOTICE NOTICE
sed.
WARNING WARNING
mode): mode):
manual manual
to hold the