13
Trouble Shooting
Symptom
Cause
Remedy
No water coming from pump
(Pump is working).
Air ingress to system.
Prime the pump. Check that there
are no air leaks in the suction
piping or f ittings. Ensure the
strainer lid is airtight and f itted
securely.
Pump does not work..
Motor termal overload
tripped.
Check for required ventilation and
cooling. If temperature is above
the pump’s maximum ambient,
turn off pump until it cools down.
No power at outlet.
Use another electricial appliance
that is known to work to check
power outlet.
Blown fuse / Circuit breaker.
Check and call electrician if
necessary.
Motor burnt out due to
voltage spike or f ooded by
water.
The motor may need replacing.
Pump running too slow.
Motor capacitor may be
damaged.
Check line voltage; if less that
90% or more that 106% of
rated voltage consult a licensed
electrician.
Water leaking from between the
casing and motor.
Casing bolts are not
tightened suff iciently; worn
mechanical seal requires
replacing.
Switch off the power to the pump.
Tighten the casing bolts or replace
the mechanical seal as required.
Should problems persist, contact your nearest Pentair Water Service Agent.
L300216_SilentFlo_OM_2012
Monday, 17 December 2012 1:32:22 PM
