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Appendix A. Uninterruptible power supply alarms, events, and
MIB objects
This chapter describes the uninterruptible power supply (UPS) alarms, events, and
MIB objects.
Table of alarms
The following table lists the time-dated alarms for the UPS.
Table 39. UPS time-dated alarms
Alarm on
Battery fuse blown
No battery
Battery temperature fault
Battery charger fault
Battery fault
MAX charger voltage fault
MIN charger voltage fault
Charger temperature fault
Rectifier fault
Chopper fault
Normal ac frequency out of tolerance
Normal ac fuses blown
Normal ac module fault
Normal ac voltage out of tolerance
Normal ac NOK
Site wiring fault
Bypass ac frequency out of tolerance
Bypass ac phase out of tolerance
Bypass ac voltage out of tolerance
Automatic bypass fault
Automatic bypass overload
Automatic bypass overtemperature
Automatic bypass thermal overload
Automatic bypass switch (Q4S) open
Normal ac switch (Q1) open
Battery switch (QF1) open
Manual bypass switch (Q3BP) closed
UPS on manual bypass
Output switch (Q5N) open
Single wave load fault
Negative DC bus too high
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Alarm off
Battery fuse OK
Battery present
Battery temperature OK
Battery charger OK
Battery OK
Charger voltage OK
Charger voltage OK
Charger temperature OK
Rectifier OK
Chopper OK
Normal ac frequency OK
Normal ac fuses OK
Normal ac module OK
Normal ac voltage OK
Normal ac OK
Site wiring OK
Bypass ac frequency OK
Bypass ac phase OK
Bypass ac voltage OK
Automatic bypass OK
Automatic bypass load OK
Automatic bypass temperature OK
Automatic bypass load OK
Automatic bypass switch (Q4S) closed
Normal ac switch (Q1) closed
Battery switch (QF1) closed
Manual bypass switch (Q3BP) open
Output switch (Q5N) closed
Load OK
Negative DC bus OK
75
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