8. MAINTENANCE, TROUBLESHOOTING
8-6
8.7 Error
Messages
The table below shows the error messages which may appear on the display. All
error messages are accompanied by the audio alarm, which you may silence
with the [R/B] key.
Error messages
Message Meaning,
Remedy
Overvoltage
OVERVOLTAGE
RETRACT TRANSDUCER AND TURN OFF
POWER. PRESS [R/B] KEY TO CLEAR
ALARM.
Excessive voltage detected. The message
flashes and the audio alarm sounds. Retract
the transducer and then turn off the power.
Press the [R/B] key to silence the audio
alarm. Have a technician check the set.
Transducer not retracted
TRANSDUCER NOT RETRACTED
CUT OFF POWER LINE TO PROCESSOR
AND POWER SUPPLY. PRESS [R/B] KEY TO
CLEAR ALARM.
If the transducer is not retracted into the
tank in approx. 35 seconds after the [
↑
] key
is pressed, the message flashes and the
audio alarm sounds. Press the [R/B] key to
silence the audio alarm. Raise the
transducer manually, following paragraph
8.3.2.
High speed
WARNING
MAX ALLOWABLE SPEED FOR EXTENDED
TRANSDUCER IS 16 KT. MAX ALLOWABLE
SPEED DURING RAISING/LOWERING
TRANSDUCER IS 16 KT. PRESS [R/B] KEY
TO CLEAR ALARM.
Ship’s speed is higher than 16 knots when
you attempted to lower or retract the
transducer. The message flashes and the
audio alarm sounds. Press the [R/B] key to
silence the audio alarm. Reduced speed to
less than 16 knots, and the previously used
display appears.
If you attempt to lower the transducer when
the speed is higher than 16 knots the
message flashes and the audio alarm
sounds. (The transducer is neither raised
nor lowered.)
WARNING
TRANSDUCER IS KEPT EXTENDED
REDUCE SHIP'S SPEED AND PRESS
↑
TO
RETRACT TRANSDUCER. ACTIVATING
AUTOMATIC RETRACTION. PRESS [R/B]
KEY TO
CLEAR MESSAGE.
Ship’s speed is higher than 18 knots with
the transducer extended. The message
flashes and the audio alarm sounds. Press
the [R/B] key to silence the audio alarm.
Lower speed below 18 knots, and the
previously used display appears.
Automatic retraction
ACTIVATING AUTOMATIC RETRACTION
PRESS [R/B] KEY TO CLEAR MESSAGE.
Transducer is being retracted because ship
speed set for automatic retraction has been
reached. (The message appears if AUTO
RETRACT in the SYSTEM menu is turned
on.) Press the [R/B] key to clear the
message.