Page 68
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GPS2436_MAN
Rev. 1.3
STEP
Action for Testing High Voltage Shutdown Alarm
8.
Using the Float Settings Menu Screens, select Set Point.
9.
Use the Arrows, and UP/DOWN keys to change the system float voltage setpoint to its original value This
value must be at least 0.5V below the HV alarm threshold setting. Press ENTER to save.
10.
Controller Observations:
•
The plant voltage returns to it
’
s original value
•
Power Major alarm (PMJ) retires
•
RECT and MAJ LEDs are extinguished
Rectifier Observations:
•
Rectifier is operating normally
Battery on Discharge Alarm
STEP
Action for Testing the Battery on Discharge Alarm
NOTE:
If the BD alarm was observed during the High Voltage Shutdown test
this test can be disregarded.
1.
From the front panel follow the path(Voltage Alarms):
2.
Note the setting of the Battery on Discharge Threshold.
3.
With a dummy load added to the plant, operate all rectifiers to STBY
until the plant voltage drops below the BD (FLOAT) threshold.
4.
Controller Observations:
•
PMJ Alarm is active
•
BD and MAJ LEDs are illuminated
5.
Turn on all rectifiers
6.
Controller Observations:
•
PMJ Alarm retires
•
BD and MAJ LEDs are extinguished
•
System Voltage is normal