SECTION
5
REPAIR
This section describes how to locate faults and make repairs. If the radar malfunctions,
inspect
it
as
described
below.
If
the inspection results indicate a difficult repair that cannot
be
made
by the ship's
engineer, contact Anritsu
or your sales agent and request repair. When contacting
Anritsu
or your
sales agent, provide the following information.
(1)
Vessel name, port, repair period
(hours)
(2)
Radar model
(3)
Serial
No.
(4)
Details of fault
and
inspection results
if
available.
Insure that you have read and understood the warnings
manual
before inspecting and repairing this radar.
5.1
Abnormal
Microcomputer, etc.
(A) When POWER FAIL is displayed on the screen
This warning indicates that the radar internal +5 V power supply has momentarily fallen below
4.8 V. If this happens, the radar enters the Standby status and the Transmit key must be pressed to
continue operation. If this warning is displayed repeatedly, consider the possibility that the power
supply contacts may
be
bad
or that the battery
is
faulty.
(B)
When time display appears on screen
When the radar internal +5 V voltage falls below 4.8 V for more than several seconds, the time
display appears on the
screen.
This
indicates that the
CPU
has
been
reset and that the
radar
is
in
the
Power on status. Although operation can be continued by pressing the Transmit key after the time
display disappears, the power supply may be faulty.
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