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4.1 LED Display
1)
Load on inverter [ LOAD ON INVERTER ](green)
Illuminates when power is supplied from inverter to the critical load.
(Indicates the state of inverter transfer switch "52C".)
2)
Battery operation [ BATTERY OP. ](yellow)
Illuminates when power is supplied from batteries.
3)
Load on bypass [ LOAD ON BYPASS ](yellow)
Illuminates when power is supplied to load devices by static bypass.
(Indicates the state of bypass transfer switch "52S".)
4)
Overload [ OVERLOAD ](yellow)
Illuminates in overload condition.
5)
LCD fault [ LCD FAULT ](red)
Illuminates when an LCD fault.
6)
UPS fault [ UPS FAULT ](red) [Annunciator: intermittent or constant tones]
Illuminates when a fault occurs in the system. In this case, the details of the error are indicated on the display
panel.
4.2 EPO Button (Emergency Power Off Button)
When EPO button (7) is activated, the Emergency Power Off (EPO) function shuts down the power module. The
critical load will lose power and also shutdown. The EPO function can be performed both locally and remotely.
G9400 480V 1200-2000kVA Installation and Operation Manual 203078-001
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