INJECTOR GP-FUEL 2501304 - Caterpillar

Alarm Classes and Actions
Table 1
Alarm class overview table    
ALARM CLASS     ALARM TYPE     ACTIONS    
A     0     Pre-alarm     Annunciated    
B     1     Pre-alarm     Annunciated + horn    
C     2     Shutdown     Annunciated + horn+ soft unloading + cool down    
D     3     Shutdown     Annunciated + horn + cool down    
E     4     Shutdown     Annunciated + horn + soft unloading    
F     5     Shutdown     Shutdown: annunciated + horn    Switchgear ECS Switch Actions
The action of the software Switchgear ECS switch when a shutdown alarm occurs is dependent on the class of alarm. There are two sources for shutdown alarms.Engine Shutdown Alarms (Engine ECS) and Alarm Classes 2 thru 5
There are Engine Shutdown Alarms that are activated at the engine and result in the engine shutdown. These alarms must be reset with the Engine ECS Switch located on the EMCP II. These alarms are also passed to the controller and displayed on the "Generator Annunciator" screen.
Loss of Crank Terminate
EMCP ShutdownGenerator Protective Shutdown Alarms
These alarms are sensed by the Generator software protectives and displayed on the "Generator Annunciator" Screen.
Under / Over Frequency
Under / Over Voltage
Reverse Power
Loss of Field
Over Excitation
CB TripA shutdown alarm, when present, will lock the Switchgear ECS in the Off position. The user must make sure that the alarm condition is no longer present and the alarm has been reset by the "Alarm Reset" button. Then the Switchgear ECS can be set to Auto.