JRC JMR-92 Series Field Service Manual page 861

Symptom
AIS information is not
displayed.
Chapter 7 Troubleshooting
Cause
The communication is not set
correctly.
The power supply for the AIS unit is
not turned on.
The AIS unit does not perform
receiving.
The connection with the AIS unit is
abnormal.
The power supply for the SLC
(CMH-2370) is not turned on.
(Case where the AIS unit is
connected to the SLC)
The SLC (CMH-2370) is faulty.
(Case where the AIS unit is
connected to the SLC)
The internal wiring is faulty.
The CCU (NDC-1590) is faulty.
7-38
Action
Set the communication correctly.
Turn on the power supply for the AIS
unit.
Check the state of the AIS unit.
Check the connection with the AIS
unit.
If an AIS unit is connected to the
SLC, check that the LED of the
corresponding port is lit during data
reception.
Turn on the power supply for the
SLC.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.