Maintenance 103
Maintenance intervals
The maintenance intervals recommended by ABB are for a typical inverter, in a
typical location for a typical operating duration. Shorten the maintenance intervals, if
the inverter is in extreme environmental conditions.
Interval
Action
Instruction
Monthly
Read the event
log.
Use the control unit to read the recent event logs from the
Events
view.
The events are kept in the memory until the memory is full.
When the event memory is full, the inverter removes the
oldest events.
Make sure that
the fans
operate.
Read the
Events
view for possible fan faults.
The fans operate only when cooling is required.
Replace the fan(s) when the inverter displays a fan fault or
a replacement reminder.
Examine the
operating
environment.
Make sure that the inverter is in the intended operating
environment.
Make sure that the installation environment is clean, dry,
and free of obstacles, and that the ambient temperature is
not too high.
Clean the
operating
environment.
Clean the inverter installation space and mounting area
regularly to remove dust and dirt. This prevents clogging of
the fans and heat sink of the inverter.
Monthly
(
Yearly
if the
inverter is
indoors with
restricted
access)
Examine the
connections.
Make sure that the cables are correctly routed. Cables
must be tidy, secure and in good condition.
Make sure that the connectors are correctly connected and
that they are in good condition.
Make sure that the screw and spring terminal connections
are tight.
Summary of Contents for PRO-33.0-TL Series
Page 1: ...ABB solar inverters Product manual PRO 33 0 TL string inverters ...
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Page 10: ...10 Table of contents ...
Page 32: ...32 Hardware description ...
Page 40: ...40 Installation requirements ...
Page 70: ...70 Electrical installation ...
Page 74: ...74 Installation checklist ...
Page 110: ...110 Maintenance ...
Page 134: ...134 Navigation map The navigation map ...
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