JRC JAN-7202 - Page 265

10-9 Section 10 Failures and After-Sale Services
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Symptom Cause Action
Water depth values are not
displayed.
The connection with the echo
sounder is abnormal.
Check the connection with the
echo sounder.
Check if the LED of the
corresponding port of the serial
LAN interface circuit is lit at data
reception.
The power supply for the
serial-LAN interface circuit
(CMH-2370) is not turned on.
Turn on the power supply for the
serial-LAN interface circuit.
The serial-LAN interface circuit
(CMH-2370) is faulty.
Make a request to the distributor
for repair.
The internal wiring is faulty. Make a request to the distributor
for repair.
The central control unit
(NDC-1590) is faulty.
Make a request to the distributor
for repair.
Sensor signals are not
displayed.
The communication is not set
correctly.
Set the communication correctly.
The power supply for the sensor
equipment is not turned on.
Turn on the power supply for the
sensor equipment.
The connection with the sensor
equipment is faulty.
Check the connection with the
sensor equipment.
Check if the LED of the
corresponding port of the serial
LAN interface circuit is lit at data
reception.
The power supply for the
serial-LAN interface circuit
(CMH-2370) is not turned on.
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 display unit such as the
serial-LAN interface circuit
(CMH-2370), analog option
circuit (CMJ-560), and central
control unit (NDC-1590) is faulty.
Make a request to the distributor
for repair.
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 interface circuit)
Turn on the power supply for the
serial-LAN interface circuit.
The serial-LAN interface circuit
(CMH-2370) is faulty.
(Case where contact signal
output is acquired from the
serial-LAN interface circuit)
Make a request to the distributor
for repair.
The internal wiring is faulty. Make a request to the distributor
for repair.
The central control unit
(NDC-1590) is faulty.
Make a request to the distributor
for repair.