16-15 Section 16 Failures and After-Sale Services
Symptom Cause Action
Contact signals are not
output.
The power supply for the serial-LAN
interface circuit (CMH-2370) is not
turned on.
(Case where contact signal output
is acquired from the serial-LAN
Turn on the power supply for the
serial-LAN interface circuit.
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.
acknowledged.
The connection with the radar
antenna is abnormal.
Check the connection with the radar
antenna.
Power is not supplied from the
power supply unit to the radar
antenna.
Check the power supply wiring of
the interface circuit (CMH-2452)
from the power supply unit.
Check the power supply connection
inside of the radar antenna.
[Memo]
For checking wiring inside of the
radar antenna, always request the
work to the specialized service
person. Before starting the work,
turn off the power supply of the
display unit. Otherwise, an
unexpected accident may occur.
The radar antenna is faulty.
Make a request to the distributor for
repair.
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 radar antenna.
The connection with the radar
antenna is abnormal.
Check the connection with the radar
antenna.
The connection with the radar
antenna is abnormal and
overcurrent protection is functioning
in the power supply unit.
Check the connection with the radar
antenna and remove the cause of
short-circuit.
The 24V DC output fuse is blown
out.
After removing the cause of
blowout, replace the fuse.
The fuse is F2.
The internal wiring is faulty.
Make a request to the distributor for
repair.
The power supply (NDB-
of the processing unit 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.
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