Delta Electronics ASDA-A Series User Manual page 280

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Cooling fan
The cooling fan life is limited and should be changed periodically. The cooling fan will reach the end of
its life in 2~3 years when it is in continuous operation. However, it also must be replaced if the cooling
fan is vibrating or there are unusual noises.
Revision April 2009
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Chapter 9 Maintenance and Inspection|ASDA-A&A+ Series
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