Liebert 130 kVA - Manual (Page 81)

User Manual
Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V
61
30. BYP: XFER COUNT BLOCK This message informs the operator that the load has been
transferred to the bypass more than eight times in one minute.
After eight transfers the load will remain on bypass. This message
could be initiated by a load causing the UPS to overload, it requires
investigation.
31. BATTERY: GROUND FALUT This message informs the operator that the battery is not longer
isolated from ground and there is danger of electrocution.
32. BACKFEED FAULT This message informs the operator that the failure of the bypass
static devices has resulted in voltage being fed back to the bypass
supply input.
In addition to the above message there are a number of software alarms (i.e. BAD
EEPROM, BACK-UP, BATTERY LOW etc.) that will require attention from a qualified
service engineer.