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Observation:
•
The DIST and MAJ LEDs and Power Major and MJF alarm relays will be active.
•
Remove alarm condition and verify that DIST,MAJ LEDs and MJF relay retire.
Alarms should be tested in each distribution bay of the plant to verify the integrity of the alarm bus throughout the plant.
If the distribution bays are equipped with
“
Bay Fuse Alarm
”
indicating LEDs, also verify that this LED activates during these
tests for the bay in which the alarm originates (and not in any other).
Clear History
This feature is useful when there is a need to remove unnecessary historical data from the controller. An example might be
after installation and testing and the controller is ready for operation. There may be history that is of no use to the customer.
Also, since the history log has a finite number of entries, user can save the history using a PC, and then clear the logs.
Step
Action
1.
From the Default Screen, press the
Menu
button for the Main Menu.
2.
Using the Up/Down Arrows, Scroll to
Control/Operations
and press
Enter.
3.
Select
Clear History,
and press
Enter.
4.
Press
Enter
again to clear the History Log, or
Escape
to return to the menus.
Control / operations
Start Lamp Test
Clear History
Clear Events
Restart Rectifiers
Rectifier Fail Alarm(continued)
Summary of Contents for GPS4827
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