Groco Macerator Troubleshooting

[bjflink]

All, any help here would be greatly appreciated.

I am trying to troubleshoot my factory installed Groco macerator pump. The pumps runs, and I can see that it is "macerating" the contents of the tank, but I am only getting a small trickle from the output hose. I took the hose off and installed a brand new clear hose and routed to a bucket then tried again. Same thing, macerating, but not really pumping out any volume. What can I try next?

Thanks!

 

[Another Distraction]

I guess you could back flush it and try to push the clog out of the pump and or pull the pump out and inspect it.