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Service And Maintenance; Service Life Of The Fan - Siemens G120P Manual

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Service and maintenance


Service life of the fan

Siemens AG
Service and maintenance
The Power Module primarily consists of maintenance-free, electronic components.
Some of the mechanical parts are wearing parts and have to be replaced at certain
The following maintenance procedures essentially arise:
1. Regularly remove dirt and impurities in order to ensure that cooling works
2. Regularly check that the fans are working properly.
3. Ensure that the cabinet's ventilation slots are not blocked.
4. Regularly check that the cables and screw terminals are correctly fixed in
5. If necessary, re-tighten the fastenings for the cables and screw terminals.
6. Check the cables and screw terminals regularly for damage.
7. Replace any defective parts immediately.
8. Replace wearing parts which are worn.
The actual maintenance intervals depend on the installation and operating
Siemens offers its customers tailor-made maintenance contracts. For more
information, please contact your local Siemens representative.
Service life of the fan
The average service life of fans is 40 000 hours. In practice, the service life may
differ from this value, in particular in dusty environments.
The fan must be replaced in good time in order to ensure that the drive remains
ready for operation.
Replacing the fan
Information about replacing the fan can be found in the following manuals:
Hardware Installation Manual for Power Module PM230 IP55/UL Type 12
(A5E02923635A AA)
Hardware Installation Manual for Power Module PM230 IP20 (A5E03448282A
The fans are available as spare parts through your local Siemens branch office.


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