Vertiv Liebert APM - UPS Reset Procedure

Chapter 4 Operations 43
LIEBERT APM UPS Module And Parallel System 30kVA~150kVA User Manual
Battery Disconnect Devices Alarm
The alarm occurs when the battery disconnect device disconnects.
The external battery connects to the UPS through the external battery circuit breaker. The circuit breaker is manually
closed and tripped by the UPS control circuit.