8. MAINTENANCE, TROUBLESHOOTING
8-8
8.8
Warning Messages
The table below shows the warning messages which may appear on the display. All
warning messages flash and are accompanied by an audio alarm, which you may si-
lence with the
R/B AUDIO
key.
Warning messages
Message
Meaning, Remedy
Power supply
"<<OVERVOLTAGE!!>>
RETRACT TRANSDUCER AND TURN OFF POWER.
CHECK SHIP’S MAINS VOLTAGE. PRESS R/B KEY
TO TURN OFF ALARM."
Meaning
: The voltage supplied to the trans-
ceiver unit is excessive. Transmission is
stopped if the equipment is transmitting, to
protect the transducer and transmitter pow-
er section from damage.
Remedy
: Silence the buzzer with the
R/B
AUDIO
key. Retract the transducer and turn
off the power. Have a qualified technician
check input voltage.
Transceiver unit
"<<NO RESPONSE FROM TRANSCEIVER UNIT!!>>
TURN OFF AND ON POWER AGAIN, OR CHECK
POWER LINE TO TRANSCEIVER UNIT. PRESS R/B
KEY TO TURN OFF ALARM."
Meaning
: No response from the transceiver
unit.
Remedy
: Silence the buzzer with the
R/B
AUDIO
key. Reset the breaker on both the
transceiver unit and power supply unit. If
the breaker(s) trip again, have a qualified
technician check the set.
"<<ELECTRIC CHARGE!!>>
RETRACT TRANSDUCER AND TURN OFF POWER.
PRESS R/B KEY TO TURN OFF ALARM."
Meaning
: The +B voltage of capacitors in
the transceiver unit could not be charged to
specified voltage within the prescribed time.
Remedy
: Silence the buzzer with the
R/B
AUDIO
key and turn off the power. Have a
qualified technician check the set.
"<<OVER TEMPERATURE!!>>
RETRACT TRANSDUCER AND TURN OFF POWER.
PRESS R/B KEY TO TURN OFF ALARM."
Meaning
: The temperature of the power
block in the transceiver unit is more than
80°C (176°F).
Remedy
: Silence the buzzer with the
R/B
AUDIO
key. Retract the transducer and turn
off the power. Check if the vent on the unit
is blocked. If the message appears again,
have a qualified technician check the sys-
tem.
Hull unit, transceiver unit
"<<TRANSDUCER NOT RETRACTED!!>>
CUT OFF POWER LINE TO PROCESSOR, TRANS-
CEIVER AND HULL UNIT. PRESS R/B KEY TO
TURN OFF ALARM."
Meaning
: The transducer is not raised with-
in 20 seconds (1200 mm stroke) or 25 sec-
onds (1600 mm stroke) with the
↑
key.
Remedy
: Silence the buzzer with the
R/B
AUDIO
key. The reason may be the trans-
ducer is tangled in the net, its shaft is bent,
or raise/lower function is abnormal. Try rais-
ing the transducer from the hull unit. See
section 8.12.
Содержание FSV-2S
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