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114 Maintenance
Converter unit LEDs
￭
The converter unit cabinet has 1...3 door lamps. The indications are given in this table.
LED
Color
Charging OK indic-
Green
ator
DC/DC converter
White
disconnected
Load disconnected
White
indicator (white)
Note: When the white lamps are on, DC/DC converter is disconnected from the DC
bus and the energy storage.
Indication (When the LED is on)
The DC bus of the converter modules is charged. The unit is
ready for connection to the common DC bus.
The DC/DC converter unit is disconnected from the main DC
bus.
Note: Auxiliary voltages must be disconnected separately.
The disconnector of the energy storage is open.
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