JRC JMR-5410-4X Instruction Manual page 501

Symptom
Contact signals are not
output.
The radar antenna is not
acknowledged.
The power is not supplied
to the radar antenna.
Cause
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
interface circuit)
The internal wiring is faulty.
The processing unit (NDC-1678) is
faulty.
The connection with the radar
antenna is abnormal.
Power is not supplied from the
power supply unit to the radar
antenna.
The radar antenna is faulty.
The internal wiring is faulty.
The processing unit (NDC-1678) is
faulty.
The connection with the radar
antenna is abnormal.
The connection with the radar
antenna is abnormal and
overcurrent protection is functioning
in the power supply unit.
The 24V DC output fuse is blown
out.
The internal wiring is faulty.
The power supply (NDB-945) inside
of the processing unit is faulty.
The processing unit (NDC-1678) is
faulty.
16-15
Action
Turn on the power supply for the
serial-LAN interface circuit.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Check the connection with 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.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Check the connection with the radar
antenna.
Check the connection with the radar
antenna and remove the cause of
short-circuit.
After removing the cause of the fuse
blowout, replace the fuse.
The fuse is F2.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Section 16 Failures and After-Sale Services
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