Xtreme Power Conversion Corporation
M90 User’s Manual
Page 70
Uninterruptible Power Supply
Warning! Redundancy Set Fail
As stated.
Check the redundancy setting is correct and
contact service personnel.
Warning! Parallel Sys Config.
Wrong
Parallel System Configure error
Contact service personnel.
Warning! Maintenance Bypass
Enter maintenance
Check if the connector is loose when it acts
abnormally.
Warning! Battery Age Alert
Battery Life expiration
Check if the battery has been used over its
service age. Or contact service personnel.
Warning! Parallel Rack Cable
Loosen
As stated.
Check if the Parallel Rack Cable is loose and
contact service personnel.
Warning! Parallel Rack Config.
Wrong
Parallel Rack Configure error
Check the Parallel Rack Setting is correct and
contact service personnel.
Warning! Parallel Firmware
Error
Power module parallel firm
-
ware error
The firmware version does not support Rack
Parallel feature. Contact service personnel.
Warning! ID Conflict
Power module ID conflict.
There are two Power Modules with the
same ID numbers. Change the repeated ID
to release it. Or contact service personnel.
7. Service
This chapter introduces the UPS service, including the service procedures of the power module, STS & control
module, battery module and the replacement of air filter.
Warning:
1. Only the customer service engineers can service the power modules, bypass module and battery modules.
2. Remove the power modules, bypass module and battery modules from top to bottom, so as to prevent cabinet
from toppling due to high center of gravity.
3. The static transfer switch module is NOT hot pluggable. It should be replaced only when the UPS is in mainte
-
nance bypass mode or completely powered off.
7.1 Replacement Procedures Of Power Module
Warning:
• Confirm UPS is in Line mode or Bypass mode.
• Confirm at least one Power Module remains in the UPS cabinet after one Power Module is removed
• If all power modules have to be removed, the replacement MUST be under Maintenance Bypass Opera
-
tion Mode.
1.
Turn ready switch to “ ” position
2.
The Power Module FAULT LED (RED) indicator is lit to indicate the Power Module output is off and discon
-
nected 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 together.
5.
After servicing the module, confirm that the DIP switch of the module is set correctly and the ready switch
is in unready state “
”.
6. Push the module into the cabinet and tighten the screws on both sides. If there are more than one power
modules to re-install, please wait 30-second before installing another module.
7.
The re-installed Power Module will be turned on automatically when UPS is in line mode.