owner’s manual
10
Troubleshooting
Problem
Possible Reason
Solution
Pump won’t Prime
Suction Line Problem
Check for leaks or obstructions
in suction line.
Bypass Valve Open
Remove and inspect valve. It
must be able to move freely and
free of debris.
Sticking Vane
Check vanes and nicks, burrs
and wear.
Rotor or Vane Wear
Inspect rotor and vane for wear
or damage; Replace if necessary.
Low Capacity
Excessive Dirt in Screen
Remove and clean screen.
Suction Line Problem
Check suction line for leaks or
restrictions.
Bypass Valve sticking
Remove and inspect valve. It
must be able to move freely and
free of debris.
Outlet Blocked
Check pump outlet, hose,
nozzle, and filter for blockage.
Vanes Sticking
Check vanes and slots for wear.
Excessive rotor or vane wear
Inspect rotor and vanes for
excessive wear or damage if
necessary
Clogged Filter
Replace filter
Low Fluid Level
Fill the supply tank
