User Manual
9 Troubleshooting and Maintenance
59
minutes and then perform maintenance work.
Fans’ maintenance work may only be performed by qualified electricians.
Step 1
Disconnect the AC circuit breaker.
Step 2
Rotate the DC switch to the “OFF” position and then pull off all the PV string
inputs
Step 3
Wait for at least ten minutes.
Step 4
Disconnect all electrical connection in the reverse procedures in the “6
Step 5
Lift up the inverter over the backplate with the help of others and then
remove it from the wall.
Step 6
Place the inverter onto the platform.
Step 7
Unscrew the cover plate of the
fan.
Step 8
Clasp the groove (near the cover
plate of the fan) on the back of
the inverter by your figures and
pull out the slot of the fan.
Step 9
Press the hump of the latch hook
and unplug the cable connection
joint outwards.
2
2
1
Step 10
Remove fans from the
inverter.
Step 11
You can clean the dirty fans with soft brush or vacuum cleaner. Or
replace the broken fans.
Step 12
Re-assemble the fans onto the inverter.
Step 13
Connect the four connectors and fasten them with cable ties.
