Alarms and Events
5.2Displaying the Event Stack
Action
1.Press
2.Press
3.Press
4.Press
| Description |
and | Press the two keys simultaneously to get access |
| to the events stack |
or | Scroll up or down through the event stack |
| (last message is "No (further) event"). |
| Displays the time where the event happened. |
| Exits the event stack. If not operated the system |
| will exit the event stack automatically after 30 |
| seconds. |
5.3Possible Alarms
NOTICE!
Please note mains = utility
| Alarms | Description | Action |
|
|
|
|
1. | Peak current limiter active | Peak current limiter activated and | Check for blown fuses in |
|
| UPS switched to bypass | installation |
|
| operation. |
|
|
| System overload |
|
|
|
|
|
2. | Bypass power supply fault | Fault in redundant PSU for | Call for assistance |
|
| bypass. UPS still 100% able to |
|
|
| operate in all modes. |
|
|
|
|
|
3. | Delta current limiter active | Input current limiter activated and | Check for overload. |
|
| UPS switched to bypass | If message is repetitive - |
|
| operation | call for assistance |
|
|
|
|
4. | Faulty fan | Blocked or faulty fan | Remove blocking or replace fan |
|
|
|
|
5. | High DC warning | Switching off big output load | If alarm is repeated, reduce load |
|
|
| change |
|
|
|
|
6. | High DC shutdown | UPS fault | Call for assistance |
|
|
|
|
7. | Off button or emergency power | – | |
|
| shut down activated |
|
|
|
|
|
8. | Synchronization error | UPS unable to synchronize with | Check if phase rotation of mains |
|
| input frequency | input voltage is correct. If OK, call |
|
|
| for assistance |
|
|
|
|
9. | Inverter voltage error | Inverter average voltage outside | – |
|
| limits (normal message during |
|
|
| system |
|
|
|
| |
10. Parallel synchronization | Parallel UPS unable to | Check external parallel cables - | |
| error | synchronize | call for assistance |
|
|
|
|
24 | User Guide APC Silcon |
