HP PowerTrust A3589A, Manual

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Appendix D D-23
Field Replaceable Units
Removal and Replacement Procedures
If it is blinking, refer to “Caution LED” in Chapter 6 for possible causes and actions.
17.Turn the Bypass switch to
Normal
.
18.To clear the alarm (if you have not already done so) and return to normal operation
from Bypass mode, turn the control panel Output On/Output Off switch to
Output Off
for
about one second, then return it to the
Output On
position.
CAUTION Do
not
leave the Output On/Output Off switch in the
Output Off
position for
more than 5 seconds. Doing so will turn off AC output to the receptacles and
power down the load.
19.Position the front bezel onto the brackets so that the pins behind the front of the bezel
line up with the four brackets on the face of the Electronics Unit. (See Figure D-7.)
20.Push the bezel in until the bezel pins snap into the bracket clips.
NOTE
After replacing the Control Panel and Label Kit, check that the computer is
not performing critical processes, then repeat the load test. For procedures,
refer to “Load Testing” in Chapter 5.
Also, after installing replacement UPS equipment, test it by power failing the
UPS. For procedures, refer to “Power Failing the UPS” in Appendix C.
Figure D-6 Attaching the Front Bezel to the Electronics Unit