Parts Breakdown - Pentair STA-RITE SILENTFLO SF550100 Owner's Manual

TROUBLESHOOTING
Symptom
Clogged pipe / strainer /
Low water pressure, low flow
from pump.
impeller / filter system.
No water coming from pump
(Pump is working).
Motor termal overload tripped.
Pump does not work.
Blown fuse / Circuit breaker.
Motor burnt out due to voltage
spike or flooded by water.
Motor capacitor may be
Pump running too slow.
Casing bolts are not tightened
Water leaking from between
sufficiently; worn mechanical
the casing and motor.
seal requires replacing.
Should problems persist, contact your nearest Pentair Water Service Agent.
16 SILENTFLO ™ Pool Pump Owner' s Manual
Cause Remedy
Make sure that the impeller ius
not clogged. This should be
checked by qualified
personnel only.
Pump may be trying to push
too high a column of water.
If so, a higher pressure pump
is required.
Prime the pump. Check that
there are no air leaks in the
Air ingress to system. suction piping or fittings.
Ensure the strainer lid is
airtight and fitted securely.
Check for required ventilation
and cooling. If temperature is
above the pump' s maximum
ambient, turn off pump until it
cools down.
Use another electricial
No power at outlet. appliance that is known to
work to check power outlet.
Check and call electrician
if necessary.
The motor may need replacing.
Check line voltage; if less
that 90% or more that 106%
damaged. of rated voltage consult a
licensed electrician.
Switch off the power to the
pump. Tighten the casing bolts
or replace the mechanical
seal as required.

PARTS BREAKDOWN

SILENTFLO™ Pool Pump Owner' s Manual 17