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String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
5 Maintenance and Troubleshooting
59
and keep them unblocked. If necessary, a soft brush can be used to clean the wind inlet & outlet
holes.
Fan maintenance
Before maintenance, shut down the inverter and disconnect all power input.
Wait for 30min at least, after the inner capacitor discharge completely, the maintenance can be done.
The maintenance and replacement for fan only can be done by professional electric person.
The inner fans are used for cooling and heat dissipation while operating. If the fans cannot work
normally, it will influence the inverter efficiency or cause derating running. So, keep the fan clean
and replace the damaged fan in time. The fan's cleanness and replacement procedure as follows.
Step 1
Shut down the inverter (see 4.3 Shut Down Inverter).
Step 2
Loosen the screws of fan module, as shown in Figure5-1.
Figure5-1
Loosen the screws of fan cover
Step 3
Pull out the fan module gently and loosen the connector of fan.