Operating Instructions, 01/2021, A5E43920357-AA
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Device maintenance and repair
7.1 Safety instructions for repairs
Danger from unauthorized or improperly performed repairs
Danger due to unauthorized opening of the device and improperly performed repairs
Improper procedures when performing repairs can lead to material damage to the device or
the systems.
If you cause defects in the device by installing or replacing system expansions, this can
result in serious dangers for users of the device or the system and the warranty may expire.
• For this reason, please observe the information in "Safety instructions on device and
system extensions (Page 48)".
7.2 Maintenance intervals
To maintain a high level of system availability, replace PC components that are subject to
wear as a preventive measure according to the recommended replacement interval.
Fan on type A drive holder
Filter mat of the fan (front fan)
Depending on the degree of soiling