16-11 Section 16 Failures and After-Sale Services
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
display of the mode
selection screen.
The processing unit (NDC-1678) is
abnormal.
Make a request to the distributor for
repair.
Some menus cannot be
selected on the mode
selection screen.
The device licence has not been
installed.
Request repair or additional
arrangement to the supplier and
install the licence.
The cursor is not
displayed correctly.
The processing unit (NDC-1678) is
faulty.
Make a request to the distributor for
repair.
Characters/symbols are
not displayed correctly.
The processing unit (NDC-1678) 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 internal wiring is faulty.
Make a request to the distributor for
repair.
The processing unit (NDC-1678) is
faulty.
Make a request to the distributor for
repair.
The power is not supplied to the
serial LAN interface circuit
(CMH-2370) inside of junction box
NQE-1143.
(Case where the GPS equipment is
connected to junction box NQE-
Turn on the power supply for the
serial-LAN interface circuit.
The serial LAN interface circuit
(CMH-2370) inside of junction box
NQE-1143 is faulty.
(Case where the GPS equipment is
connected to
circuit)
Make a request to the distributor for
repair.
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