M essa ge 1 M essa ge 2 M essa ge 3 D efinition
Load on inverter Test mode active Alarm active – Warning
This system is in warning operating mode, supplied by
the inverter, running in a system test mode, and has an
active warning. This means the system is in TEST
MODE, and something was determined to be outside
normal test operations
Load on bypass Test mode active Alarm active – Warning
This system is in warning operating mode, supplied by
the bypass, running in a system test mode, and has an
active warning. This means the system is in TEST
MODE, and something was determined to be outside
normal test operation
Load on battery Test mode active Alarm active – Warning
This system is in warning operating mode, supplied by
the battery, running in a system test mode, and has an
active warning. This means the system is in TEST
MODE, and something was determined to be outside
normal test operations
Load on inverter
Frequency converter mode
active
Alarm active – Warning
This system is in warning operating mode, supplied by
the inverter, operating as a frequency converter, and
has an active warning. This means the system is
operating, but something was determined to be outside
normal range
Table 5.2 W arning status messages (continued)
M essa ge 1 M essa ge 2 M essa ge 3 D efinition
Load on inverter Output overload Transfer to bypass pending
This system is in critical operating mode, supplied by
the inverter, and system can withstand specific duration
during overload conditions after that load will be
transferred to bypass
Load on inverter Alarm active – Critical View alarm log for details
This system is in critical operating mode, supplied by
the inverter. There is a critical fault in the system that
the user needs to view
Load on bypass
Load Automatically
transferred to bypass
View alarm log for details
This system is in critical operating mode, supplied by
the bypass. The system moved the load to the bypass
due to a critical fault in the system
Load on bypass Alarm active – Critical View alarm log for details
This system is in critical operating mode, supplied by
the bypass. The system is running on bypass not due to
auto- transfer, and a critical fault is active in the system
Load on battery X minutes remaining Load shutdown imminent
This system is in critical operating mode, supplied by
the inverter via the battery. The battery is extremely low
and the load will turn Off or transfer to bypass soon
Load off Alarm active – Critical View alarm log for details
This system is in critical operating mode, load not
supplied by this unit. The load is not supplied for some
reason and a critical fault is active
Load off / /
This system is in critical operating mode, load not
supplied by this unit. The load is not supplied and no
active fault is present
Table 5.3 C ritical status messages
5 Operator Control and Display Panel
87
Vertiv™ Liebert® APM Plus User Manual
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