8. MAINTENANCE, TROUBLESHOOTING
8-6
8.8
Warning Messages
The table below shows the warning messages which may appear on the display. All
warning messages are accompanied by an audio alarm, which you may silence with
the
R/B AUDIO
key.
Warning messages
Message
Meaning, Remedy
Power supply
<<OVERVOLTAGE!! >> RETRACT TRANS-
DUCER AND TURN OFF POWER. CHECK
SHIP’S MAINS VOLTAGE. PRESS R/B KEY TO
TURN OFF ALARM.
This message blinks at the screen center and the
buzzer sounds when the voltage supplied to the
transceiver unit is excessive. Transmission is
stopped if the equipment is transmitting, to pro-
tect the transducer and transmitter power section
from damage.
→
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.
This message blinks at the screen center and the
buzzer sounds when there is no reply from the
transceiver unit.
→
Press the
R/B AUDIO
key to turn off the buzz-
er. Have a qualified technician check the set.
<<ELECTRIC CHARGE!! >>RETRACT TRANS-
DUCER AND TURN OFF POWER. CHECK
SHIP’S MAINS VOLTAGE. PRESS R/B KEY TO
TURN OFF ALARM.
This message blinks at the screen center and the
buzzer sounds if the +B voltage of capacitors in
the transceiver unit can not be charged to prede-
termined voltage within the specified time.
→
Press the
R/B AUDIO
key to silence the buzz-
er. Have a qualified technician check the set.
<<OVER TEMPERATURE!! >> RETRACT
TRANSDUCER AND TURN OFF POWER.
PRESS R/B KEY TO TURN OFF ALARM.
This message blinks at the screen center and the
buzzer sounds when the temperature in the pow-
er supply block has exceeded 85°C;.
→
Press the
R/B AUDIO
key to silence the buzz-
er. Turn off the system and have a qualified tech-
nician check the system.
Hull unit, transceiver unit
<<TRANSDUCER NOT RETRACTED!! >>CUT
OFF POWER LINE TO MONITOR UNIT AND
HULL UNIT. PRESS R/B KEY TO TURN OFF
ALARM.
This message blinks at the screen center, the
buzzer sounds and the LEDs above keys blink if
the transducer is not raised within 30 seconds
(1200 mm stroke) or 40 seconds (1600 mm
stroke) after pressing the
↑
key.
→
Press the
R/B AUDIO
key to silence the buzz-
er. The reason may be the transducer is tangled
in the net or its shaft is bent. Try raising it from
the hull unit as shown in section 8.12.
<<WARNING!!>> TRANSDUCER IS KEPT AT
WRONG POSITION. SET BACK TRANSDUC-
ER POSITION TO NORMAL BY USING
↑
OR
↓
KEY. PRESS R/B KEY TO TURN OFF ALARM.
This message blinks at the screen center and the
buzzer sounds when the transducer is knocked
out of position.
→
Try to return the transducer to its normal posi-
tion by operating the
↑
or
↓
key and silence the
buzzer with the
R/B AUDIO
key.
Содержание FSV-35
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