101 - 23/May/97
FIG. 4.4 - DBM-PS Power Supply - PWR BUS yellow LED off
YES
Fault of detecting fault
circuit
NO
Fault of 3-phase input
rectifier circuit
YES
Is 300 Vdc present
on the Bus Bars?
NO
Connect 3-phase
230 Vac
Is 3-phase 230 Vac
+/-10% connected to
DBM-PS?
Yellow LED PWR BUS = OFF
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