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Maintenance
Contents of this chapter
This chapter instructs how to maintain the IGBT supply unit and how to interpret its
fault indications. The information is valid for cabinet-installed ACS880-207LC IGBT
supply units.
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
(https://new.abb.com/drives/services/maintenance/preventive-maintenance). 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
Recommended maintenance intervals after start-up
￭
Maintenance task/object
Coolant
Checking coolant antifreeze concentration
Years from start-up
0
1
2
3
4
5
P
P
P
P
P
Maintenance 89
7
6
7
8
9
10
11
P
P
P
P
P
P
12
...
P
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