Operating Instructions

Service, maintenance and fault rectification
Safety guidelines for service, maintenance and fault rectification
8
95 |
118
Siemens
A5E36496664A_f
Smart Infrastructure 2021-10-11
8 Service, maintenance and fault
rectification
8.1 Safety guidelines for service, maintenance and
fault rectification
WARNING
Risk of injury as a result of improper service, maintenance and fault
rectification!
Failure to perform service, maintenance or fault rectification correctly can result in
serious physical injury or property damage.
● Service, maintenance and fault rectification must always be carried out by
persons with the appropriate training and skills. Compliance with regulations
valid in the country of installation is also essential. For further information,
please refer to Chapter Personnel requirements [
➙
12].
8.2 Service and maintenance
8.2.1 Maintenance schedule
The variable speed drive primarily consists of maintenance-free, electronic
components. It is nevertheless necessary to perform the following maintenance at
the specified intervals in order to maintain the variable speed drive in a fully
functional condition.
Maintenance intervals are determined to a large extent by installation and
operating conditions. Siemens offers its customers tailor-made maintenance
contracts. For more information, please contact your local Siemens
representative.
1. Remove dirt and impurities in order to ensure that cooling works effectively.
2. Check that the fans are working properly.
3. Ensure that the cabinet's ventilation slots are not blocked.
4. Check that the cables and screw terminals are correctly fixed in place. If
necessary, re-tighten the fastenings for the cables and screw terminals.
5. Check the cables and screw terminals for damage.
6. Replace any defective parts immediately.
1. Check that the fans are working properly.
2. Replace the fan if necessary (Chapter Fan maintenance [➙ 95]).
Monthly
Every 40 000 operating
hours or as required