FILL-RITE FR700, Owner'S Operation & Safety Manual

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TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSE SOLUTION
Pump won’t prime •Suction line problem •Check for leaks in suction line.
•Bypass valve open •Remove and inspect valve.
•Vanes sticking •Check vanes and slots for nicks, burrs
or wear.
•Gasket leakage •Tighten covers and joints.
•Excessive rotor or vane wear •Check rotor and vanes for excessive
wear or damage.
•Outlet is blocked •Check pump outlet, hose and nozzle for
blockage.
•Rotor key sheared or missing •Replace rotor key
•Motor not operating •Rotor should turn clockwise at pump
end; if not, return for repair.
Pump hums but will •Dirt in pump cavity •Clean out pump cavity.
not operate •Motor failure •Motor bearing(s) frozen; return for repair.
Low capacity •Excessive dirt in strainer •Remove and clean strainer.
•Suction line problem •Check for leaks in suction line.
•Bypass valve sticking •Remove and inspect valve.
•Vanes sticking •Check vanes and slots for wear.
•Excessive rotor or vane wear •Check rotor and vanes for excessive
wear or damage.
•Hose damaged •Replace hose.
Pump runs slowly •Incorrect voltage •Check incoming line voltage.
•Motor failure •Motor bearing(s) failing; return for repair.
Motor stalls •Bypass valve sticking •Remove and inspect valve.
•Low voltage •Check incoming line voltage.
•Excessive rotor or vane wear •Check rotor and vanes for excessive
wear or damage.
Motor overheats •Pumping high viscosity fluids •These fluids can only be pumped for
short periods of time.
•Clogged strainer •Remove and clean strainer.
•Restricted suction pipe •Remove and clean pipe.
•Motor failure •Bearing(s) tightening up; return for repair.
Motor will not turn on •No power •Check incoming power source.
•Motor failure •Return for repair.
Fluid leakage •Bad O-ring •Check all O-ring gaskets.
•Check valve not seated •Make sure check valve or check valve
alternate is in place.
•Dirty seal •Clean and reseat seal.
•Bad seal •Replace seal.
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