Komatsu Galeo PC800-8 Shop Manual page 436

SEN00914-02
KOMTRAX system displays various information in the system as well as contents of information processing on
the LED display unit located at the top of KOMTRAX terminal. Thus, when a failure on the system is suspected,
implement the following checkups.
• Checking antennas
• Checking terminal LED display
Before using KOMTRAX, the application for start of use and the machine side station opening inspection must
be completed.
Checking antennas
a Before inspecting display of LED, check the communication antenna and its vicinity as well as GPS antenna
and its vicinity for any trouble.
• The communication antenna shall not be disconnected or damaged.
• The communication antenna cable shall not be broken and shall be appropriately connected to KOMTRAX
terminal.
• GPS antenna shall not be disconnected or damaged.
• GPS antenna cable shall not broken and shall be appropriately connected to KOMTRAX terminal.
Checking terminal LED indication
1. Display contents of LED for CPU
a Turn ON, START the starting switch or the engine prior to inspection of LED display.
No. LED Name and function
State of starting switch
1 LED-C1 ACC signal, alternator R
signal
State of engine control
2 LED-C2
signal
State of S-NET connec-
3 LED-C3 tion and starting switch C
signal
4 LED-C4 State of CAN connection
5 LED-C5
Download writing state
6 LED-C6
*1: Types of flashing and flashing duration
Quick flashing: Flashing of approximately 1 second cycle
Slow flashing: Flashing of approximately 4 seconds cycle
6
Display (*1)
ON Starting switch ACC signal: ON, Alternator R signal: ON
Quick
Starting switch ACC signal: OFF, Alternator R signal: ON
flashing
Slow
Starting switch ACC signal: ON, Alternator R signal: OFF
flashing
OFF Starting switch ACC signal: OFF, Alternator R signal: OFF
ON Engine control signal: ON
OFF Engine control signal: OFF
ON S-NET: Connected, starting switch C signal: OFF
Quick
Starting switch C signal: ON
flashing
Slow
(Not used)
flashing
OFF S-NET: Disconnected, Starting switch C signal: OFF
ON CAN: Present (Fuel sensor: Absent)
Quick
CAN: Present (Fuel sensor: Present)
flashing
Slow
CAN: Absent (Fuel sensor: Present)
flashing
OFF CAN: Absent (Fuel sensor: Absent)
Single side Download writing mode (Special function for system adminis-
ON trator)
Both sides
Normal working mode
OFF
30 Testing and adjusting
Contents of display
PC800, 850-8