MGE UPS Systems 66103, 66102 user manual Appendices, Tables of alarms and events, Table of alarms

8 Appendices

8.1Tables of alarms and events

8.1.1 Table of alarms

List of time dated alarms
Alarm on	Alarm off
Battery fuse blown	Battery fuse OK
No Battery	Battery present
Battery temperature fault	Battery temperature OK
Battery charger fault	Battery charger OK
Battery fault	Battery OK
MAX charger voltage fault	Charger voltage OK
MIN charger voltage fault	Charger voltage OK
Charger temperature fault	Charger temperature OK
Rectifier fault	Rectifier OK
Chopper fault	Chopper OK
Normal AC frequency out of tolerance	Normal AC frequency OK
Normal AC fuses blown	Normal AC fuses OK
Normal AC module fault	Normal AC module OK
Normal AC voltage out of tolerance	Normal AC voltage OK
Normal AC NOK	Normal AC OK
Site wiring fault	Site wiring OK
Bypass AC frequency out of tolerance	Bypass AC frequency OK
Bypass AC phase out of tolerance	Bypass AC phase OK
Bypass AC voltage out of tolerance	Bypass AC voltage OK
Automatic Bypass fault	Automatic Bypass OK
Automatic Bypass overload	Automatic Bypass load OK
Automatic Bypass overtemperature	Automatic Bypass temperature OK
Automatic Bypass thermal overload	Automatic Bypass load OK
Automatic Bypass switch (Q4S) open	Automatic Bypass switch (Q4S) closed
Normal AC switch (Q1) open	Normal AC switch (Q1) closed
Battery switch (QF1) open	Battery switch (QF1) closed
Manual Bypass switch (Q3BP) closed	Manual Bypass switch (Q3BP) open
UPS on manual bypass
Output switch (Q5N) open	Output switch (Q5N) closed
Single wave load fault	Load OK
Negative DC bus too high	Negative DC bus OK
Positive DC bus too high	Positive DC bus OK
Negative DC bus too low	Negative DC bus OK
Positive DC bus too low	Positive DC bus OK
Inverter limitation	Inverter end of limitation
Inverter fuses blown	Input fuses OK
Inverter fault	Inverter OK
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