JRC JMR-92 Series Field Service Manual page 864

Symptom
Rudder angles are not
displayed.
Alternatively, the values
are not displayed
correctly.
Cause
The communication is not set
correctly.
The power supply for the rudder
angle indicator is not turned on.
The connection with the rudder
angle indicator is abnormal.
The power supply for the SLC
(CMH-2370) is not turned on.
(Case where the rudder angle
indicator is connected to the SLC or
the rudder angle indicator is
connected to the AOC)
The SLC (CMH-2370) is faulty.
(Case where the rudder angle
indicator is connected to the SLC or
the rudder angle indicator is
connected to the AOC)
The AOC (CMJ-560) is not set
correctly.
(Case where the rudder angle
indicator is connected to the AOC)
The AOC (CMJ-560) is faulty.
(Case where the rudder angle
indicator is connected to the AOC)
The internal wiring is faulty.
The CCU (NDC-1590) is faulty.
7-41
Action
Set the communication correctly.
Turn on the power supply for the
rudder angle indicator.
Check the connection with the rudder
angle indicator.
If the rudder angle indicator 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.
Set the AOC correctly according to
the rudder angle indicator.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Chapter 7 Troubleshooting