Xtreme Power Conversion M90S Series User & Installation Manual page 33

M90S-4S User's Manual
It is normal to show "Un-Connection" screen
when UPS modules have shut off their control
power.
4.3.2 Line Mode Turn Off Operation
The LCD diagrams are shown below when the UPS operates in the Line Mode.
Xtreme Power Conversion Corporation
UPS enters Shutdown Mode.
It is normal to show "Un-Connection" screen
when UPS modules have shut off their control
power.
Uninterruptible Power Supply
Page 33