Flotec FP480WBU Notice D'utilisation page 15

Repair Parts
TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE
SYMPTOM
No water is pumped
Pump operates at less
than full capacity
Pump operates continuously,
doesn't shut off
Model FP480WBU
Part Description
Valve
Hose
Float Rod Section
POSSIBLE CAUSE(S)
No supply water
Automatic Valve doesn't open
Float sunk or stuck
Ejector is plugged
Inlet screen is plugged
Water level has dropped below
inlet screen level
Primary sump pump check
valve stuck open or not installed
Discharge line plugged
Pump is trying to exceed rated lift
Water supply is below 40 PSI
Water Supply is a well system
Supply water flow is restricted
Pump suction or pump's ejector
partially plugged
No primary pump check valve
Primary pump's check valve leaks
Discharge line partly plugged
Automatic valve sticking open
Float is stuck in "ON" position
Rod stops are incorrectly set
Qty. Part No.
1 FP302200
1 FP314220
3 FP302210
CORRECTIVE ACTION
Open supply valve
Check valve operation manually, replace valve
Check float for free action, obstructions
Clean ejector
Clean inlet screen
Adjust the float rod stops to shut off pump before water has
dropped below screen level
Install or clean check valve in primary pump discharge
Inspect and clean all pipes in system
Reduce height of discharge (see "Performance Chart," page 2).
DO NOT try to exceed lift heights shown
Install a larger pipe (3/4" or 1") from city water supply
Pump requires continuous pressure to operate - it will not operate
if supply is from a well pump
Open supply valve completely, make sure automatic valve is
fully open and operating correctly
Clean as needed
Install a check valve in primary pump's discharge
Replace primary pump's check valve
Clean out pipe
Manually check operation of automatic valve
Clear obstructions
Adjust position of rod stops on the float rod to
allow correct valve operation
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