Polaris 280 Malfunctioning

Polaris Model 280, Polaris tail not working, Polaris not sweeping, back up valve on Polaris, Polaris turning in circles, problems with Polaris. Polaris 280, pool, water, water pump, check valve, float on Polaris. Polaris malfunctioning, Seed stopping water flow in Polaris. Polaris not sucking up material, Polaris tail not moving.