Furuno FSV-84 manual 11-5, Error messages, Message Meaning, Remedy Power supply, Transducer

11. MAINTENANCE, TROUBLESHOOTING

11.5Warning 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.

Error messages

		Message	Meaning, Remedy
Power supply
OVERVOLTAGE!!			This message blinks at the screen center and
RETRACT TRANSDUCER AND TURN OFF			the buzzer sounds when the voltage supplied
POWER. CHECK SHIP’S MAINS VOLTAGE.			to the transceiver unit is excessive.
PRESS [R/B] KEY TO TURN OFF ALARM.			Transmission is stopped if the equipment is
			transmitting, to protect 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			This message blinks at the screen center and
UNIT.			the buzzer sounds when there is no reply
TURN OFF AND ON POWER AGAIN, OR			from the transceiver unit. Press the [R/B
CHECK POWER LINE TO TRANSCEIVER			AUDIO] key to turn off the buzzer. Have a
UNIT. PRESS [R/B] KEY TO TURN OFF			qualified technician check the set.
ALARM.
ELECTRIC CHARGE!!			This message blinks at the screen center and
RETRACT TRANSDUCER AND TURN OFF			the buzzer sounds if the +B voltage of
POWER. CHECK SHIP’S MAINS VOLTAGE.			capacitors in the transceiver unit can not be
PRESS R/B KEY TO TURN OFF ALARM.			charged to predetermined voltage within the
			specified time. Press the [R/B AUDIO] key to
			silence the buzzer. Have a qualified
			technician check the set.
OVER TEMPERATURE!!			This message blinks at the screen center and
RETRACT TRANSDUCER AND TURN OFF			the buzzer sounds when the temperature in
POWER.			the power supply block has exceeded 85°C.
PRESS R-B KEY TO TURN OFF ALARM.			Press the [R/B AUDIO] key to silence the
			buzzer. Turn off the unit and have a qualified
			technician check the set.
Hull unit	, transducer
TRANSDUCER NOT RETRACTED!!			This message blinks at the screen center, the
CUT OFF POWER LINE TO MONITOR UNIT			buzzer sounds and the LEDs above keys
AND HULL UNIT. PRESS [R/B] KEY TO			blink if the transducer is not raised within 26
TURN OFF ALARM.			seconds for 800 mm stroke or 33 seconds for
			1100 mm stroke of pressing the [↑] key.
			Press the [R/B AUDIO] key to silence the
			buzzer. 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 11.9.

11-5