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Chapter 5 Operation of Display Panel
68
Table 5-4 UPS states
No. State Reason
1 Bypass mode UPS bypass powers the load
2 Normal mode
The UPS powers the load through rectifier and
inverter
3 Battery mode The UPS powers the load through battery
4 United power mode
The UPS powers the load through rectifier and
battery together
5
Bypass and inverter all
shutdown
Bypass and inverter are all shut down
6 Output power interruption The UPS has no output
7 Battery is under self-test UPS is in battery self test condition
8 Generator connection Connect the generator to UPS through dry contacts.
9 Generator exit Rectifier exits the intelligent generator mode
10 Generator run Rectifier enters the intelligent generator mode
11 Non-charging state Battery is not in charging state
12 Equalization charging state Battery in equalization charging state
13 Float charging state Battery in float charging state
14 Input circuit breaker closes Input circuit breaker closes
15 Input circuit breaker opens Input circuit breaker opens
16 Output circuit breaker closes Output circuit breaker closes
17 Output circuit breaker opens Output circuit breaker opens
18 Bypass circuit breaker closes Bypass circuit breaker closes
19 Bypass circuit breaker opens Bypass circuit breaker opens
20
Maintenance circuit breaker
closes
Maintenance circuit breaker closes
21
Maintenance circuit breaker
opens
Maintenance circuit breaker opens
Note: When the UPS is in the above states, current event and alarm display window will display
the states according to the time sequence; When the states are cleared, the information will also
be cleared from the current event and alarm display window and the start time and end time of
the state will be recorded in history log.