5 Maintenance and Troubleshooting
String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
58
Item
Check method
Maintenance period
maintain it in time.
Wire Inlet
hole
Check if the wire inlet holes are sealed up
completely, if not, seal them with fireproof mud.
Every year
Fan
Check if there is abnormal noise on fan when
running.
Check if the blade of fan has crack.
If necessary, replace the fan (refer to 5.1.2
Maintenance Guide)
Every year (if the operating
environment with lots of sand
and wind, short the
maintenance period)
LED
indicator
If the surface of the LED indicator is too dirty to
read, you can clean it with a damp cloth.
In necessary
Do not clean the inverter with any solvent, abrasive material or corrosive material.
During running, please don't touch the surface to avoid scald. Shut down inverter and wait until it
cooling down, then do the maintenance.
When the power generation value displayed on the monitoring platform is inconsistent with the external
measurement device, user can correct the power generation value of the monitoring platform according
to the communication protocol.
The correction formula is: Total power generation compensation value = Measurement value of
measurement instrument - Monitoring platform displayed total power generation value.
5.1.2 Maintenance Guide
Clean wind inlet & outlet holes
During operating, the inverter will generate large heat, so, the inverter designs the cooling way of
forced wind-cooling. To ensure good ventilation, it is necessary to check the wind inlet & outlet holes
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