
5. Trouble and Troubleshooting
Trouble
Probable
Cause
Measure
R
efe
r
ence
Alarm Buzzer and Alarm
"l•
ffil r
-l.':l
Lamps On During
Shift
to
low
speed
operation i
mmediately
,
and
check
which
lamp
has
come
on
.
Stop
Opera li
on
the
engine
for
i
nspection
.
If
no
abnormality
is
identified and there is
no
problem
with
operation
,
return
to
port
at
your
lowest
speed
and
request
repairs.
Eng
.Lube Oil Press.
Eng
in
e Lube O
il
insufficient: Check L
ube
Oil level.
3.2.2
Warning Lamp goes on
Fu
el filter clogged. Replenish or replace.
4.3.1(1)
·wa
t
er
proof warning lamp
Breakage of seal mount on the sail
Check and change the rubber
goes on
d
ri
ve.
moun
t.
C.W.Temp.(Fresh Wat
er)
Insufficient water In fresh water cooler
Check
cooling water and replenish. 3.2.4
warning lamp goes on
Insufficient seawater caus
in
g temp. to
Check seawater system.
rise.
Ask for repairs.
Contamination Inside
cooling system.
Faulty Warning
Dev
ices
,,,
el
~
E
Do
not
operate
the engine if
alarm
devices
are
not
repaired.
Serious
accidents
may
result
if
difficulties
are
not
spotted
due
to
fa
u
lty
alarm
lamps
.
When
switch
is
turned ON:
Alarm
buzzer
does
not
sound
.
Circuit
broken
or
buzzer
defective.
Ask
for
repairs.
Warning
lamps do not
go
Eng. Lube Oil Press.
Ask for repairs.
on
Seawater.
No current available.
Circu
it
broken or lamp burnt out.
One
of
the warn
1n
g l
am
ps
Sensor switches faulty. Ask
fo
r repairs.
does
not
go out
Charge
lamp does not
go
V·belt Is loose
or
broken. Replace V-belt; adjust tension.
4.3.4(3)
out dur
in
g operation
Bat:lery defective.
Check fluid level, speci
fi
c gravity; 4.3.2(4)
Al
te
rnator power generator failure. replace.
Ask for repairs.
'Note:
Other warning lamps
do
not
go
on when the switch Is turned on. They only go on wh
en
there is an abnorma
li
ty.
45
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