IS 6.1
- 33
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The generators are equippedwith a set ofsafety switches
which protect it against improper use and
problems which may jeopardise its integrity.
5.3 PROTECTION AGAINST SHORT-CIRCUITS AND OVERLOAD
The generator is protected against short-circuits and
electrical overload.
A magnetothermalswitch (ref.1) cuts the power when
a short-circuit occurs or when the power delivered
exceeds therated value.
Before restoring the contact, remove the cause
of the cutout.
5.4 PROTECTION AGAINST SHORT-CIRCUITS OF LOW-VOLTAGE
ELECTRICAL SYSTEM.
The low voltage electric plant is protected by thermal
switch, theat shutdown the generator set.
The first thermalswitch stops the generator set, turns
off all the alarm light and prevents the starting.
Thesecond thermal switch stops the generatorset when
there is a stop electromagnet failure on the generator
set.
N.B. It does not prevent the START command, the alarm
lights areactive. Press the thermal switch to restore the
contact.
Alarm code
Simbol
Alarm name Description
0 Emergency stop
Means that the emergency pushbutton is pressed.
3 Missing engine stop
Means that, after engine is stopped, the electronic board detects active parameters
as the engine is still running.
4 Mechanical failure
If generator is running, means that all detected parameters are simultaneously
missing.
11 High engine digital temperature
Means that the digital sensor detects high temperature
14 Digital low oil pressure
Means that the digital sensor detects low oil pressure
15 Digital oil gauge failure
Means that there is not wiring connection to digital gauge for oil pressure, with
engine turned off.
16 High level battery
Means that the battery voltage is too high.
17 Low level battery
Means that the battery voltage is too low.
20 Generator: low frequency
Means that the generator frequency is too low.
21 Generator: high frequency
Means that the generator frequency is too high.
22 Generator: low voltage
Means that the generator voltage is lower than the set alarm threshold.
23 Generator: high voltage
Means that the generator voltage is higher than the set alarm threshold.
24 Alternator high temperature
Means that the high engine temperature contact is open.
ALARM CHART FOR CBUMODULE
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