Table 5 shows the alarm conditions that stop the History Status buffer from gathering data.
Table 5
Alarm conditions that freeze history data gathering
Alarm in SCC
Auto Transfer to Bypass
Output Overvoltage
Output undervoltage
Overload Transfer
NOTE
The Emergency Off alarm will also freeze the SCC History Status buffer with the Auto
Transfer to Bypass alarm (if the load is on the UPS system when the alarm condition occurs).
The History Status buffer does not resume collecting new frames until the fault is cleared and the
Alarm Reset pad is pressed for more than 5 seconds (or until the screen clears).
Alarm in Module
DC Cap Fuse Blown
DC Overvoltage Shutdown
Inverter Fault
Low Battery Shutdown
Overload Shutdown
Overtemperature Timeout
Rectifier Fuse Blown
Reverse Power
41
Operation