Section 22 Failures and After-Sale Services
22-32
Symptom
Cause
Action
The trackball does
cannot be moved
smoothly.
The trackball is dirty.
Clean the trackball.
Although the power is
supplied and the screen
is displayed, the display
is frozen, disabling
processing to advance
up to display of the task
menu.
The central control unit
(NDC-1590/A) is abnormal.
Make a request to the distributor for
repair.
Some task menus
cannot be selected.
The device license has not been
installed.
Install the license of the device to be
used.
The cursor is not
displayed correctly.
The central control unit
(NDC-1590/A) is faulty.
Make a request to the distributor for
repair.
Characters/symbols are
not displayed correctly.
The central control unit
(NDC-1590/A) is faulty.
Make a request to the distributor for
repair.
Position information
(GPS) is not displayed.
The communication is not set
correctly.
Set the communication correctly.
The power supply for the GPS
equipment is not turned on.
Turn on the power supply for the
GPS equipment.
The GPS equipment does not
perform positioning.
Check the state of the GPS
equipment.
The connection with the GPS
equipment is abnormal.
Check the connection with the GPS
equipment.
When GPS equipment is connected
to the serial LAN interface circuit,
check if the LED of the corresponding
port is lit at data reception.
The power supply for the serial-LAN
interface circuit (CMH-2370) is not
turned on.
(Case where the GPS equipment is
connected to the serial-LAN interface
circuit)
Turn on the power supply for the
serial-LAN interface circuit.
The serial-LAN interface circuit
(CMH-2370) is faulty.
(Case where the GPS equipment is
connected to the serial-LAN interface
circuit)
Make a request to the distributor for
repair.
The internal wiring is faulty.
Make a request to the distributor for
repair.
The central control unit
(NDC-1590/A) is faulty.
Make a request to the distributor for
repair.