Pentair maytronics ecoclear EC-750-SS Installation & Operation Manual page 15

Single speed pool pump
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SYMPTOM
No water coming
from pump (Pump is
Air ingress to system
working).
Motor termal overload
tripped
No power at outlet.
Pump does not
work.
Blown fuse / Circuit
breaker.
Motor burnt out due to
voltage spike or flooded by
water.
Pump running too
Motor capacitor may be
slow.
damaged.
Casing bolts are not
Water leaking from
tightened suffi ciently;
between the casing
worn mechanical seal
and motor.
requires replacing.
Should problems persist, contact your nearest Maytronics Service Agent.
SERVICE & MAINTENANCE
CAUSE
Prime the pump. Check that there are no air leaks in
.
the 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 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%
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.
REMEDY
Single Speed Pool Pump Owner's Manual
15

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