Dolphin M400 climbing issues.

Hi! I recently replaced the tracks and climbing rings in my Dolphin M400 as Patrick described in this old thread. It moves better but still won’t climb my walls. We just had a new pool liner installed too so traction shouldn’t be a problem. Any idea if I needed to refurb any more parts or what else might be causing my cleaner not to climb the walls? It is driving me crazy!

Old thread:Dolphin...

Dolphin M400 climbing issues.