23
(4.)
Secure the Power Module to the cabinet by fixing the screws at the front panel of the Power
Module.
(5.)
Move the ready switch to the “ ” position (i.e., in ready state).
2.12.2 Remove the Power Module
Before removing any Power Module, make sure the remaining Power Modules
can support the critical loads.
At least one Power Module MUST stay in the UPS cabinet in case the UPS
system is operating in Maintenance Bypass Mode.
(1.)
Turn the ready switch to the “
” position.
(2.)
The Power Module FAULT LED (RED) indicator is lit to show the Power Module output is off
and disconnected from UPS system.
(3.)
Use a screwdriver to remove the four screws from fixing holes.
(4.)
Two people pull out together and remove the Power Module from its slot.