Proface APL3000B - Node Box PC - Manual (Page 72)

Chapter 4 Maintenance
4-3
4.2 Cleaning the Fan Filter
In PS-3650A Series, the fan is used for cooling the CPU and the memory. Since excessive dirt and dust in the
filter of the fan can potentially affect the performance of the unit, regular cleaning of the filter is strongly
recommended.
(1) Turn OFF the power switch of the PS-A unit and remove the power cable. Place the PS-A unit on a flat,
level surface facing the display face downwards.
(2) Unscrew the screws (2) (See the figure below) and remove the Fan Unit.
(3) Turn the Fan Unit upside down. Unscrew the screw (1) and lift the fan. Remove the filter between the
fan cover and the fan.
• The PS-A's fan has a lifetime. (Expected life: approx. 5 years at the ambient
temperature 25
o
C)
This lifetime may be shortened depending on the usage environment.
When the fan needs to be replaced, please contact your local PS-A distributor
immediately.