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BX600 S3 Operating Manual 139
13 Ventilation Concept
The basic unit is kept cool by two fan units (two fans each), and the fans in the
power supply units (three fans in each PSU) and/or the fans in the PSU dummy
unit(s) (two fans in each dummy).
The fan units are accessible from the rear of the system and contain two fans
each.
Figure 81: PRIMERGY BX600 S3 basic unit: fan units
When a fan in a fan or power supply unit/PSU dummy module fails, the amber
front identify LED (see figure 14 on page 50) on the front panel blinks. You can
find out which unit is defective by checking the fan status via the server mana-
gement software ServerView.
I Even though the system can continue operating with a defective fan, the
defective fan or power supply unit/PSU dummy module should be
replaced as soon as possible.
For how to replace a power supply unit/PSU dummy module, see section
“Replacing a Power Supply Unit” on page 133.
Due to the hot-swap architecture, replacement is also possible during operation.
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