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6.4.2 Qc4002™ MkII alarms and remedies
6.4.2.1 Fail Classes
All the activated alarms of the module are configured
with a fail class. The fail class defines the category of
the alarm and the subsequent action.
6 different fail classes can be used:
Engine running:
– Alarm: Alarm Horn Relay, Alarm Display.
– Warning: Alarm Horn Relay, Alarm Display.
– Trip of GB: Alarm Horn Relay, Alarm Display,
GB Trip.
– Trip & Stop: Alarm Horn Relay, Alarm Display,
(Deload), GB Trip, Gen-Set cooling down, Gen-
Set stop.
– Shutdown: Alarm Horn Relay, Alarm Display,
GB Trip, Gen-Set stop.
– Trip of MB: Alarm Horn Relay, Alarm Display,
MB Trip.
Engine stopped:
– Alarm: Block engine start.
– Warning: -
– Trip of GB: Block engine start, Block GB
sequence.
– Trip & Stop: Block engine start, Block GB
sequence.
– Shutdown: Block engine start, Block GB
sequence.
– Trip of MB: Block MB sequence.
All alarms can be disabled or enabled as following:
– OFF: disabled alarm, inactive supervision.
– ON: enabled alarm.
6.4.2.2 Diagnostics menu
The diagnostics menu can be entered via channel
6700. It is used for engine diagnostics situations.
If diagnostics is selected in this menu, the fuel
solenoid relay output will be de-energized for 30
seconds (to make sure that the unit is completely
stopped), and then gets energized again. Then engine
diagnostics can take place.
To leave this status, disable diagnostics in channel
6700, or press stop, or start the machine (not during
the first 30 s).
It's only possible to start the
generator when Normal is selected.
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