Switching On and Off the PSU Switch on the Power Supply Unit
This section explains how to move the PSU switch of the power supply unit of the controller enclosure and drive
enclosures to the ON and OFF positions in each enclosure.
■
To Switch to ON
Turn the PSU switch of the power supply unit to the ON position (marked "|").
IMPORTANT
Make sure all of the PSU switches are in the ON position.
Figure 5 ON Position (Marked "|") of the PSU Switch on a Power Supply Unit
ETERNUS AF150 S3/AF250 S3
ETERNUS AF650 S3
PSU#0 PSU#1
PSU#0
PSU#1
PSU#0 PSU#1
Drive enclosure
Controller enclosure
Drive enclosure
AC power is supplied to an enclosure.
• For the controller enclosure, the POWER LED on the power supply unit blinks green.
• For the drive enclosure, the POWER LED on the power supply unit emits green lights and the fan revolves at
high speed for 30 seconds.
1. Basic Operation
Powering On and Off
14 Operation Guide (Basic)
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