Pipe organ only open at night…

[HydroJ]

I have this pipe organ for month. At first it opens during the day but not anymore… I try to move it to other locations with stronger flow and still with no luck.

 

[HydroJ]

It is really odd and I haven’t find other people have the same satiation.

 

[HydroJ]

this is what it looks like during the day…