10. Troubleshooting - SandPro 4517 Owner's Manual

10. tROubleShOOting

Problem Cause
Pressure gauge Dirty filter bed
has reading over
15 psi
Pressure is too Hair and lint strainer basket is dirty
low
Air in the pump Poor seal on the intake side of the pump
Water flows into Dirt around the seal of the multi-port valve
the drainpipe
Leaking filter Faulty Seal
Clamp not tight
Pump does not Not plugged in
run
GFCI/or main circuit breaker tripped
Faulty Pump Motor
Sand in pool If the sand is newly replaced, the undersized
grains are still present
Sand in central valve (from backwash)
Separation wall in filter is improperly installed
Filter's bottom strainer is damaged
Air in system Water level is low or system recently opened
for service
Repairs on the pump should only be performed by professionally
trained, qualified technicians.
Solution
Backwash the filter .
Clean the hair and lint strainer .
Tighten hose clamps and connection fittings .
Unscrew the multi-port valve from tank cover and clean the
seal .
Check the seal, replace if needed .
Tighten clamp . DO NOT over tighten hose clamps
(35 in/lb max torque) .
Check the socket and power cord .
Switch on the breaker . If it is immediately tripped again,
there is a defect in pump or controls .
Replace the pump/motor assembly .
Backwash several times until the backwash water is clear .
Purge into drainpipe for 30 seconds .
Check the separation wall for proper positioning .
Replace the filter bottom strainer .
While pump is running, loosen, but do not remove, one of
the screw-on transparent covers on the filter tank to allow
any trapped air to escape . Tighten the cover once all of the
air has escaped .
StOP
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