Lenze EDS4900U-REG - Manual (Page 254)

Maintenance
9-1
48XX/49XXSHB0399
9 Maintenance
9.1 Maintenance
- The controller is free of maintenance if the prescribed operating condi-
tions are maintained (see chapter 3.2).
- If the ambient air is polluted, the air vents of the controller may be ob-
structed.
- Check the air vents periodically (depending on the degree of pollution):
- Free the obstructed air vents using a vacuum cleaner.
Stop!
Do not use sharp or pointed objects, such as knives or screw drivers to clean the
air vents.
9.2 Service addresses
The addresses of the Lenze representatives all over the world are listed on the last
page of every Lenze document.
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