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TROUBLESHOOTING
I Warning
Warning 100
Malfunction with the fan
1. Turn off DC switch, rotate the fan blade with screwdriver, and then restart the inverter.
Fig.2.1.1
2. If it is not easy to rotate the fan blade, check whether the fan is stuck by some obstructions.
A. If fans or grills are just covered by soft dust particles, stones or snow lump, using tools such as
vacuum cleaner to clean the fans. And if user has no such tools or there are obstructions in
fans, grills or the cooling area of inverter, you need to clean the fans and grills after they are
took apart from the inverter.
Note: a. Growatt 10-20kUE three-phase inverter has two types of fan structures.
b. Growatt 10kUE, 12kUE has two fans while 18KUE, 20KUE has three fans on the top of
inverter.
Fan type 1 cleaning procedure:
The left and top of shell plane is as entirety seamlessly.
1) Before cleaning, please disconnect the DC and AC connection.
Turn off the DC switch.
Disconnect the DC terminal. (You might need some tool to disconnect the male and
female terminals).
Disconnect the AC terminal.
2) Remove the protection pedestals at the bottom of inverter.
Remove the inverter from mounting bracket, and place inverter horizontally on clean and
dry place. First of all you should remove the protection pedestals at the bottom of inverter
as Fig.2.13 show.
Use screwdrivers counterclockwise rotate the screws as figures shown below.
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