M essa ge 1 M essa ge 2 M essa ge 3 D efinition
Load on battery Alarm active – Critical View alarm log for details
This system is in critical operating mode, supplied by
the battery. The system is running on inverter via the
battery, is not in imminent shutdown and a critical fault
is active in the system
Load off Service mode active / This system is Off with a service mode active
Load on inverter Energy saving mode active Alarm active – Critical
This system is in critical operating mode, supplied by
the inverter. The system is running on inverter, with an
energy saving mode active and a critical fault is active in
the system
Load on bypass Energy saving mode active Alarm active – Critical
This system is in critical operating mode, supplied by
the bypass. The system is running on bypass, with an
energy saving mode active and a critical fault is active in
the system
Load off Energy saving mode active Alarm active – Critical
This system is in critical operating mode. The system is
NOT running, with an energy saving mode active and a
critical fault is active in the system
Load off Test mode active / This system is off with a TEST MODE active
Load on inverter Test mode active Alarm active – Critical
This system is in critical operating mode, supplied by
the inverter, running in a system test mode, and has an
active fault. This means the system is in TEST MODE
and something critical was determined to be outside
normal test operations
Load on bypass Test mode active Alarm active – Critical
This system is in critical operating mode, supplied by
the bypass, running in a system test mode, and has an
active fault. This means the system is in TEST MODE,
and something critical was determined to be outside
normal test operation
Load on battery Test mode active Alarm active – Critical
This system is in critical operating mode, supplied by
the inverter via the battery, running in a system test
mode, and has an active fault. This means the system is
in TEST MODE, and something critical was determined
to be outside normal test operation
Load off Test mode active Alarm active – Critical
This system is in critical operating mode, with LOAD
OFF, running in a system test mode, and has an active
fault. This means the system is in TEST MODE, and
something critical was determined to be outside normal
test operation
Load on inverter
Frequency converter mode
active
Alarm active – Critical
This system is in critical operating mode, supplied by
the inverter, operating as a frequency converter, and
has an active fault. This means the system is operating,
but something critical was determined to be outside
normal range
Load off
Frequency converter mode
active
Alarm active – Critical
This system is in critical operating mode, load NOT
supplied, operating as a frequency converter and has an
active fault. This means the system is operating, but
something critical was determined to be outside normal
range
Table 5.3 C ritical status messages (continued)
5 Operator Control and Display Panel
88
Vertiv™ Liebert® APM Plus User Manual
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