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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 flash-
es 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 tech-
nician 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. 30 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 au-
dio alarm sounds. (The transducer is neither
raised nor lowered.)
WARNING
TRANSDUCER IS KEPT EXTENDEDREDUCE
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 si-
lence 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 RE-
TRACT] in the [SYSTEM] menu is turned on.)
Press the R/B key to clear the message.