Hi, I have a pool/spa that when the filter is in "pool" mode the water flows from the spa to the pool via a small waterfall. Today my wife noticed no waterfall so I checked the system. With the filter in "pool" mode the water no longer is flowing from the Spa to the pool. No water is flowing into the spa. In spa mode everything seems to work fine. I put pics of the 2 valves while in the Pool mode. One of the valves doesn't go fully to the pool but I think that's because both spa and pool are supposed to be flowing. I also put a pic of the filter pressure which I don't really track but seems low. Any guidance on what could be the issue?