Operation
HP Uninterruptible Power System T2200 XR Models User Guide
2-5
Initiating a Self-Test
To initiate a self-test, press and hold the Test/Alarm Reset button (1) for three seconds.
1
Figure 2-4: Test/Alarm Reset button
Because a portion of the self-test requires battery power, the self-test cannot be initiated if the
batteries are less than 90 percent charged. If the UPS detects a problem, the appropriate LED
illuminates and an audible alarm may sound.
WARNING: To reduce the risk of electric shock from Earth (ground) conductor leakage
current, use the self-test procedure to check the UPS batteries (rather than unplugging
the UPS).
•
For the meaning of individual LEDs, refer to “Front Panel Controls and LED Indicators,”
in this chapter.
•
For information on what to do if the self-test detects a problem, refer to Chapter 5,
“Troubleshooting.”
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