Routine Checks and Maintenance
9-12 7SA522 Manual
C53000-G1176-C119-2
o Align and fix the rear interfaces again.
o Attach all D-subminiature plugs to the matching D-subminiature sockets.
o Screw in all the fibre optical connectors where applicable.
Close the protective switches to apply voltage to the power supply. If the green “RUN”
LED does not light, there is a fault in the power supply. The device should be sent to
the factory. See Section 9.6.
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