JRC JMR-92 Series Field Service Manual page 872

Symptom
Radar images cannot
be overlaid.
UPS does not function. The connection with UPS is faulty. Check the connection with UPS.
Cause
There is no optional license for
radar overlay.
The connection with the scanner
unit is abnormal.
The connection with the radar
display unit is abnormal.
The RIF (CQD-2273) is faulty.
The internal wiring is faulty.
The PSU (NBD-913) is faulty.
The CCU (NDC-1590) is faulty.
UPS is not set correctly.
The UPS battery is extremely
depleted.
The internal wiring is faulty.
UPS is faulty.
7-49
Action
Implement an optional license for
radar overlay.
Check the connection with the
scanner unit.
Check the connection with the radar
display unit.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Set UPS correctly.
Replace the battery.
[Note]
At the battery replacement, make a
request for the work to the
specialized service staff. During the
replacement, turn off the
corresponding power supply breaker
in the ship. Otherwise, an
unexpected accident may occur.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Chapter 7 Troubleshooting