Problem
Unit is running with small volume capacity
Check unit it wired correctly (not running backwards) – Add wire schedule
Unit spluttering
Check blockage of unit guard or cone for weed or obstruction.
Unit going on and off
Clamp test to check Voltage to run within range on unit specifications.
Unit start then stop
Check Voltage is running at correct range.
Unit not working
Test Earth Continuity and resistance check – Check Ohm Ω value.