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Maintenance
Contents of this chapter
This chapter specifies the user maintenance tasks and their intervals for the semiconductor
switch unit ACS880-7407LC. It also contains instructions for maintenance tasks.
Maintenance intervals
The tables below show the maintenance tasks which can be done by the end user. The
complete maintenance schedule is available on the Internet (www.abb.com/drivesservices).
For more information, consult your local ABB Service representative
(www.abb.com/searchchannels).
Description of symbols
￭
Action
Description
I
Inspection (visual inspection and maintenance action if needed)
P
Performance of on/off-site work (commissioning, tests, measurements or other
work)
R
Replacement
Maintenance 37
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