Hello, I have a 4 channel jebao dosing pump that I set up recently. I seem to have it working well other than one issue. My first channel seems to be letting in air or something, and it causes the 1 doser to shoot blanks.
When I manually dose with the first channel a decent amount of air and maybe some bubbles will come out. Eventually the liquid will follow and be ready to go at the tip, like my other 3 channels. Immediately after being air free, I can watch liquid that was previously rising out of my dosing container, up the rigid intake tube into the dosing line fall back into its chamber and leave air above it. My other chambers seem to constantly have liquid in the rigid line and up the tubing so this does seem to tie into the issue somehow.
I replaced the airline from chamber to the first doser with a slightly tighter fitting line to see if that would help but the problem is identical. In my research I have seen a few things about check valves potentially helping, so maybe that is a solution of mine but I'd rather not go in blind.
Any ideas on what exactly is happening here and how I can fix my problem would be highly appreciated. I sadly already lost my favorite coral and a few others before I even realized what was happening so I'm not messing around anymore and want to get this worked out asap. Thanks
When I manually dose with the first channel a decent amount of air and maybe some bubbles will come out. Eventually the liquid will follow and be ready to go at the tip, like my other 3 channels. Immediately after being air free, I can watch liquid that was previously rising out of my dosing container, up the rigid intake tube into the dosing line fall back into its chamber and leave air above it. My other chambers seem to constantly have liquid in the rigid line and up the tubing so this does seem to tie into the issue somehow.
I replaced the airline from chamber to the first doser with a slightly tighter fitting line to see if that would help but the problem is identical. In my research I have seen a few things about check valves potentially helping, so maybe that is a solution of mine but I'd rather not go in blind.
Any ideas on what exactly is happening here and how I can fix my problem would be highly appreciated. I sadly already lost my favorite coral and a few others before I even realized what was happening so I'm not messing around anymore and want to get this worked out asap. Thanks
