I had the same problem, and found time and small adjustments were the answer. As your pump and pipes build up with stuff the flow rates will change.
I'd do super small adjustments on your drain at a time and wait and see how it reacts.
I go through the same process when I clean my pump, everything needs some tweaking.
And as long as you aren't flooding the emergency, or dropping so low you lose your siphon you should be fine.
As far as a trickle on emergency I've seen arguments back and forth. Some say it's a good way to get extra surface skimming. Against say that even a trickle of water could lead to build up and blockage of your emergency line. I avoid it as my emergency drain exits above water in the sump so I can hear when something is wrong.
|