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SYMPTOMS
PROBABLE CAUSE
WHAT TO DO
Pump will not
prime
Suction air leak
Make sure water level is correct
through suction points. Ensure
baskets and strainers are free of
debris. Tighten all fittings/unions
on
the suction side of the pump,
remove and replace mechanical
seal.
No water in the pump
Make sure the filter tank if full
Closed valves or
blocked lines
Open all valves in system, clean
skimmer and pump basket,check
pump impeller of blockage
Motor will not run
No power to motor
Check that all electrical switches
are on. Ensure the circuit breakers
are properly set. Check if timer is
set properly. Check motor wiring
at
terminals
Pump jammed
With power switched off turn
pump shaft(should spn freely).
Low flow
Dirty filter
Backwash or clean cartridge.
Dirty skimmer and pump
strainer
Clean skimmer and pump strainer.
Suction air leak
See 1
Closed valve or blocked
line
See 1
Motor runs hot
Low or incorrect voltage
Supply to be correct by
electrician.
Motors running hot to touch is
normal. Thermal overload
protector will
function to turn them off if there
is an overload or excessive high
temperature problem.
Installed in direct
sunlight
Shield from wheather
Poor ventilation
Do not tightly cover or enclose
motor
Noise pump
operation
Bad bearing
Have electrician replace
Air leak in suction
See 1
Suction blockage
Locate and clean blockage
Disturbance in impeller
Contact supplier
Cavitations
Improve suction, reduce suction
lift, reduce number of fittings,
increase pipe size, increase
discharge pressure and reduce
flow by
throttling discharge valve.
Motor overload
cuts out
Motor not connected
properly
Have electrician check wiring.
Low incoming voltage
Voltage at motors should be no
more than 6% above or below
nameplate voltage. Have
electrician check voltage, ensure
pump is
not running on an extension cord,
Report low supply to authorities.
Over load due to binding
in pump or wrong size
impeller
Contact supplier
Leaking
Leak between pump
housing and pump cover
Change a new O-ring between
pump housing and pump cover
Leak between pump and
motor
Change a new pair of mechanical
seal
Summary of Contents for 108362
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