String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
5 Maintenance and Troubleshooting
57
5 Maintenance and Troubleshooting
This chapter mainly describes the maintenance and troubleshooting.
5.1 Maintenance
If any maintenance service is needed, please contact the after-sale service centre of Company,
otherwise, Company will not undertake the responsibility and guarantee for the loss caused by
self-operation.
For human safety, before check and maintenance, disconnect the external AC switch, and then switch
off the DC switches on the inverter. Wait for 30min, measure the inner DC bus voltage by multimeter
and ensure the voltage below 10V, and then the maintenance can be done.
5.1.1 Maintenance Details and Period
To ensure the inverter works in best condition, we suggest maintaining the inverter
regularly.
Table5-1
Check list
Item
Check method
Maintenance period
Cleanness
of system
Check if there is dust or sundries on air outlet holes
or heat sink. Clean the air outlet holes and heat sink
if necessary.
Every half or one year (it is
decided by the dust of the
environment)
Electric
connection
Check if the wiring is loose or dropping.
Check if there is damage on the cables, especially
the surface touching with metal, if damaged, please
Every half or one year