Fiat Kobelco EX355 Tier2, Техническое руководство

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T5-5-24 EX355
TROUBLESHOOTING C
Buzzer keeps
sounding when
key switch is
turned ON.
MALFUNCTION OF BUZZER
Providing that:
•
Be sure to inspect wiring connections prior to
troubleshooting.
NOTE - (*) Regulator terminals L is water-resistance
type connectors so that it is not practical to measure
voltage at these terminals. Measure voltage at starter
relay terminal R.
Before measuring voltage, check continuity between
the starter relay terminal R and regulator terminal L.
•
Key switch: ON
(Engine is stopped.)
Check voltage
at monitor
terminal No.42.
Faulty regulator.
Failure in
monitor.
13 V or more
Less than 13 V
Buzzer keeps
sounding when
engine is started.
Check if engine
oil pressure
indicator is ON.
Overheat of
engine.
YES
NO
Check if overheat
indicator is ON.
YES
NO
Failure in engine
oil pressure
system.
Check if buzzer
stops when
buzzer stop
switch is
depressed.
Buzzer does not
sound even if
engine oil
pressure indicator
or overheat
indicator comes
ON.
Check if engine is
running at 1000
min
-1
(rpm) or
faster.
Normal
NO
YES
Check if
alternator
indicator is ON.
NO
YES
Normal
Check voltage at
alternator
terminal L (*).
•
Engine speed:
1000 min -1 (rpm) or
faster.