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SECTION 3 – TROUBLE SHOOTING GUIDE
PROBLEM
1. Pump will not prime
2. Motor doesnot turn
3. Low flow
4. Noisy operation of
motor
5. Motor runs hot
6. Noisy operation of
pump
POSSIBLE CAUSES
Suction airleak
No water inpump
Closed valves or blockedlines
Low voltage tomotor
No power tomotor
Pumpjammed
Dirtyfilter
No skimmerbasket
Closed valves or blockedlines
Suction airleak
Bad bearings
These motors will run hot to the touch, however, this is normal. They are designed that
way.Thermaloverloadprotectorwillfunctiontoturnthemoffifthereisanoverloadorhigh
temperature problem. Excessive heat can be caused by:
Lowvoltage
Installed indirectsun
Poor ventilation
Air leak in suction line. Bubbles
in water returning to pool atinlet
Restricted suction line due to
blockage or under size pipe.
Indicated by high vacuum
reading at pumpsuction
Foreign matter (gravel, metal,
etc.) in pumpimpeller
Cavitation
SOLUTION
Make sure the see-through lid and o-ring are clean
and properly positioned. Tighten see-through lid
(hand tight). Tighten all pipes and fittings on suction
side of the pump. Be sure water in the pool is high
enough to flow through skimmer.
Make sure strainer tank is full of water.
Openallvalvesinsystem.Cleanskimmerandstrainer
tank. Open pump and check for clogging ofimpeller.
Check voltage at motor. If low, pump will not come up
to speed.
Check that all power switches are on. Be sure fuse
or circuit breaker is properly set. Time set properly?
Check motor wiring atterminals.
With power off, turn shaft. It should spin freely. If not,
disassemble and repair.
Back wash filter when filter pressure is high, or clean
cartridges.
Clean skimmer and pump strainerbasket.
See problem1.
Noise when shaft is turned up by hand. Motor is hot in
bearing area when running. Replace bearing.
Increase size of electrical wire. Be sure motor is
operating on correctvoltage.
Shield motor from sun's rays.
Do not tighten cover or enclosure motor.
Repair leak. Check suction pipe, see-through lid in
place? O-ring clean?
Removeblockageorincreasesuctionpipesize.Make
sure strainer tank is clean. Are all suction valves fully
open?
Disassemble pump and remove foreign matter from
impeller.
Improve suction conditions. (Reduce suction life,
reduce number of fittings, increase pipe size.)
Increase discharge pressure and reduce flow by
throttling discharge valve.
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