Xtreme Power Conversion Corporation
M90 User’s Manual
Page 22
Uninterruptible Power Supply
5.
Move the ready switch to the “ ” position (i.e., in ready state).
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.
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