If the UPS is modular UPS, for each module:
Battery fuse blown
No Battery
Battery temperature fault
Battery charger fault
Low battery
Charger temperature fault
MAX charger voltage fault
MIN charger voltage fault
Chopper fault
Normal AC fuses blown
Normal AC module fault
Inverter fuses blown
Inverter fault
Inverter short circuit
Load short circuit
Rectifier fuse blown
Rectifier fault
DC bus unbalanced
Emergency button ON
Load not powered
UPS internal fault
Battery fault
Imminent UPS shutoff
Normal AC frequency out of tolerance Normal AC voltage out of tolerance Normal AC switch (Q1) open
Site wiring fault
Automatic Bypass switch (Q4S) open Bypass AC frequency out of tolerance Automatic Bypass fault
Automatic Bypass overload Automatic Bypass overtemperature Automatic Bypass thermal overload Bypass AC phase out of tolerance Bypass AC voltage out of tolerance Load not protected - On Automatic Bypass Battery switch (QF1) open
Manual Bypass switch (Q3BP) closed UPS on manual bypass
Inverter limitation
Inverter overload
Inverter overtemperature
Inverter thermal overload
Negative DC bus too high
Positive DC bus too high
Negative DC bus too low
Battery fuse OK
Battery present
Battery temperature OK
Battery charger OK
Battery OK
Charger temperature OK
Charger voltage OK
Charger voltage OK
Chopper OK
Normal AC fuses OK
Normal AC module OK
Input fuses OK
Inverter OK
Inverter OK
Load OK
Rectifier OK
Rectifier OK
Load OK
Emergency button OFF
Load powered
UPS OK
Battery OK
UPS OK
Normal AC frequency OK Normal AC voltage OK Normal AC switch (Q1) closed Site wiring OK
Automatic Bypass switch (Q4S) closed Bypass AC frequency OK Automatic Bypass OK
Automatic Bypass load OK Automatic Bypass temperature OK Automatic Bypass load OK Bypass AC phase OK
Bypass AC voltage OK
Load protected - Return from Bypass Battery switch (QF1) closed Manual Bypass switch (Q3BP) open
Inverter end of limitation
Inverter load OK
Inverter temperature OK
Inverter load OK
Negative DC bus OK
Positive DC bus OK
Negative DC bus OK
Network Management Card – User Manual | 34003991EN/EB | Page 108/118 |