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Section 22 Failures and After-Sale Services
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Symptom
Cause
Action
Radar images cannot be
tuned.
The magnetron is deteriorated
significantly.
(Case where an radar antenna that
uses a magnetron is connected)
Replace the magnetron.
[Note]
For magnetron replacement, 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.
A solid-state radar antenna is
connected.
Tuning bar is not displayed for a
solid-state radar antenna.
The azimuth of the radar
image is not displayed
correctly.
Azimuth is not set correctly.
Set the azimuth correctly.
CCRP is not set correctly.
Set CCRP correctly.
The GPS radar antenna position is
not set correctly.
Set the GPS radar antenna position
correctly.
The range of the radar
image is not displayed
correctly.
The range is not set correctly.
Set the range correctly.
CCRP is not set correctly.
Set CCRP correctly.
The GPS radar antenna position is
not set correctly.
Set the GPS radar antenna position
correctly.
Interswitch does not
function.
Power for the interswitch is not
turned on.
Turn on the power for the interswitch.
The connection with the interswitch is
abnormal.
Check the connection with the
interswitch.
The interswitch is faulty.
Make a request to the distributor for
repair.
The radar interface circuit
(CQD-2273) is not set correctly.
Set the radar interface circuit
correctly.
The radar interface circuit
(CQD-2273) 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/A) is faulty.
Make a request to the distributor for
repair.
