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APPX. 4 ALERT MESSAGES
Alert
Alert Title
Description
Text
BOTTOM
TCVR1 FORE
LOST *
bottom losts.
TCVR1 AFT
bottom losts.
TCVR2 FORE
bottom losts.
TCVR2 AFT
bottom losts.
LOST DISP DISP COM
ERR stops dis-
play update.
LOST
TCVR2 COM
TCVR
ERR stops
MEAS.
FAN
TCVR1 fan
SPEED
ERR may stop
LOW
MEAS.
TCVR2 fan
ERR may stop
MEAS.
BOTTOM
TCVR1 FORE
LOST
bottom outs of
range.
TCVR1 AFT
bottom outs of
range.
TCVR2 FORE
bottom outs of
range.
TCVR2 AFT
bottom outs of
range.
*: Depending on setting for [Bottom Lost Priority] selected at installation, BOTTOM LOST may be
output as a Category B Caution, with the ID 3056.
Priority/
Alert ID,
Category
Instance
Warning/B
3055,
(Caution/B)
1(3056,
1)
Warning/B
3055,
(Caution/B)
2(3056,
2)
Warning/B
3055,
(Caution/B)
3(3056,
3)
Warning/B
3055,
(Caution/B)
4(3056,
4)
Caution/B
3003, 1
Caution/B
3003, 2
Caution/B
3079, 1
Caution/B
3079, 2
Caution/B
3056, 5
Caution/B
3056, 6
Caution/B
3056, 7
Caution/B
3056, 8
AP-8
Meaning
Seabed at fore transducer
cannot be detected
Seabed at aft transducer
cannot be detected.
Seabed at fore2 transduc-
er cannot be detected.
Seabed at aft2 transducer
cannot be detected.
Communication error be-
tween display unit and
transceiver 1.
Communication error be-
tween display unit and
transceiver 2.
Fan No.1 speed lower than
minimum speed on trans-
ceiver 1.
Fan No.2 speed lower than
minimum speed on trans-
ceiver 2.
Seabed at fore transducer
is out of range and cannot
be detected
Seabed at aft transducer is
out of range and cannot be
detected.
Seabed at fore2 transduc-
er is out of range and can-
not be detected.
Seabed at aft2 transducer
is out of range and cannot
be detected.
Measures
Check that
the seabed is
within range.
If the problem
recurs, con-
sult a FURU-
NO
technician.
Consult a FU-
RUNO techni-
cian.
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Table of Contents
Troubleshooting
