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RGAM - ALARMS INFORMATION article

ALARM INFORMATION

A01 LOW OIL PRESSURE A02 ENGINE OVERHEATING

With the engine running, its displayed, after alarm trip delay, when the input contact of the pressure switch is closed. The tripping de-energises the generator contactor output and immediately stops the generating set, without any cooldown.

When the engine is running, it is displyed, after alarm trip delay, when the input contact of the engine temperature is closed. The tripping de-energises the generator contactor output and immediately stop the generating set, without any cooldown.

A03 LOW FUEL LEVEL A04 STARTING FAILURE
It is caused by the contact closing of fuel level input. The alarm is displayed as soon as the signal is detected and it persists for 5 consecutive seconds; the audible alarm is also switched on. The alarm reset is automatic when the input signal is removed. It is displayed when the number of starting attempts are carried out and the engine is not yet running.
A05 LOW BATTERY VOLTAGE A06 HIGH BATTERY VOLTAGE

It is displayed when battery voltage is below the low battery voltage alarm threshold. During the starting output energising, this alarm is temporarily disabled. The alarm resetting threshold is 5% higher than the preset value. The battery voltage is controlled at the unit supply terminals. Eventual disparity between the displayed voltage and the one detected at the battery terminals it to be attributed to voltage drop in the supply cables.

It is displayed when the battery voltage exceeds the high battery voltage alarm threshold. The alarm resetting threshold is 5% lower than the preset value. The battery voltage is controlled at the unit supply terminals: Eventual disparity between the displayed voltage and the one detected at the battery terminals is to be attributed to voltage drop in the supply cables.

A07 CHARGER ALTERNATOR FAILURE A08 GENERATOR VOLTAGE FAILURE

It is displayed when the engine is running, voltage and/or generator frequency present, but the battery-charger alternator signal remains below started engine voltage threshold for 4 seconds. The tripping of this alarm can be programmed to stop the generating set.

It is displayed when the engine is running and the generator voltage is not within the preset limits at the lapsing of the generator voltage absence delay time. The alarm tripping causes the output disable of the generator contactor and the immediate stopping of the generating set, without any cooldown.

A09 GENERATOR OVER FREQUENCY A10 GENERATOR UNDER FREQUENCY

It intervenes when generator frequency, relating to the engine speed, is higher than maximum frequency alarm threshold for a period longer than maximum frequency alarm trip delay. If the generator frequency is higher than 5% of maximum frequency alarm threshold, the tripping is immediate. The tripping causes the output disable of the generator contactor and the immediate stopping of the generating set, without any cooldown.

It intervenes when generator frequency based on the engine speed, is below minimum frequency alarm threshold for a period longer than generator voltage absence delay. The tripping causes the output disable of the generator contactor and the immediate stopping of the generating set, without any cooldown.

A11 GENERATOR OVERLOAD A12 ENGINE STOP FAILURE

If preset, it is caused by the contact closing of the generator thermal protection input when the generating set is running. The tripping causes the output disable of the generator contactor.

It intervenes if the engine running signal is detected 60 seconds after the stopping control.

A13 EMERGENCY STOP A14 UNEXPECTED STOP

It is caused by the opening of the contact connected to emergency stop input. This alarm causes the immediate stopping of the generating set, without any cooldown. The alarm resetting is possible in OFF mode and by removing alarm conditions and pressing SELECT/RESET.

This alarm is displayed when the engine stops by itself without the control unit having caused the shutdown

A15 MAINTENANCE REQUEST A16 MAIN CONTACTOR FAILURE

It is displayed when the hour counter, indicating minutes of operation, reaches the preset maintenance requested interval limit. In OFF mode after the engine stopping and the relative maintenance service, the alarm can be reset and the hour counter zeroed by pressing OFF and MAN keys for 5 consecutive seconds

If programmed, it is displayed if a difference between the state of the control output and of the contactor is detected for more than 5 seconds.

A17 GEN CONTACTOR FAILURE

If preset, it is displayed if a difference between the state of the control output and of the contactor is detected for more than 5 seconds.

 




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แจ้งเครื่องกำเนิดไฟฟ้าขัดข้อง
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EXTENDING TURBOCHARGER LIFE article
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BLEEDING THE FUEL SYSTEM : 2.9L/4039/4.5/6.8L article



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