Xtreme Power Conversion Corporation
M90S-4S User’s Manual
Page 89
Uninterruptible Power Supply
Warning 1C:BpsUnstable
UPS switches between bypass mode
and standby mode five times in 30
minutes due to abnormal utility.
Contact service personnel.
Warning 1D:RedundancyFail
As stated.
Check if redundancy setting is correct
or not. Then, contact service person-
nel.
Warning! Battery Age Alert
Battery life is expired.
Check if the battery has been used
over its service age. Or contact ser-
vice personnel.
Warning! Dry Contact Input
Alarm 1
As stated.
Remove the node
Warning! Dry Contact Input
Alarm 2
As stated.
Remove the node
Warning! COMM Module SPS
1 Fault
As stated.
Contact service personnel.
Warning! COMM Module SPS
2 Fault
As stated.
Contact service personnel.