Replacing a fan
Location of the fans
The three fans are situated at the bottom of the power supply unit and
can be individually replaced during operation.
Before replacement
If you operate your power supply with a filter, you must first release
the filter subdrawer and pull it out before you can replace a fan (see
Section entitled "Replacing the filter mat").
How to replace a fan
The following steps are necessary to replace a fan:
Step
Action
Result
1
Place one hand under the fan you
wish to replace, and use the other
hand to insert a screwdriver
(DIN 5265, blade width
3.5-6.5 mm) into the unlock fan
opening.
When the screwdriver
is pulled out, the snap
hook is released. By
pulling on the round
hole on the underside
of the fan sub-
assembly it swings
down and can be
pulled out.
2
-
If this is not the right-hand fan subassembly, go directly
to Step 3 after removing the old fan subassembly.
-
If this is the right-hand fan subassembly, proceed as
follows:
Step
Action
2a
Unscrew the rechargeable battery from
below.
2b
Disconnect the connecting cable.
2c
Insert the rechargeable battery in the
new fan subassembly (see section
entitled "Replacing the rechargeable
battery") and reconnect the connecting
cable.
Important
Ensure correct polarity.
3
Insert the new fan subassembly
with the tab at the rear into the
housing, and swivel it up.
The fan subassembly
engages.
4
Power Supply Units
System Manual
C79000-B8576-C199-03
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