Warning Messages - Furuno FSV-25 Operator's Manual

8. MAINTENANCE, TROUBLESHOOTING
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.
Power supply
"<<OVERVOLTAGE!!>>
RETRACT TRANSDUCER AND TURN OFF POWER.
CHECK SHIP'S MAINS VOLTAGE. PRESS R/B KEY
TO TURN OFF ALARM."
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."
"<<ELECTRIC CHARGE!!>>
RETRACT TRANSDUCER AND TURN OFF POWER.
PRESS R/B KEY TO TURN OFF ALARM."
"<<OVER TEMPERATURE!!>>
RETRACT TRANSDUCER AND TURN OFF POWER.
PRESS R/B KEY TO TURN OFF ALARM."
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."
8-8
Warning messages
Message Meaning, Remedy
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.
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.
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.
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.
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.