96
9.2.2 Routine Maintenance
Item
Method
Period
Device clean
Check the temperature and dust of the
inverter. Clean the inverter enclosure if
necessary.
Six months to a year
(depending on the dust con-
tents in air)
Electrical
connection
Check whether all cable are firmly con-
nected in place.
Check whether there is damage to the
cables, especially the surface in con-
tact with metal.
6 months after commissioning
and then once or twice a year
General status
of the system
•
Visual check for any damage or de-
formation of the inverter.
•
Check any abnormal noise during
the operation.
•
Check each operation parameter.
•
Be sure that nothing covers the
heat sink of the inverter.
Every 6 months
9 Troubleshooting and Maintenance
User Manual
