I pg 13
Waterco Commercial Pump
Electric Motor Care
a) Protect from heat
• Shade the motor from the sun.
• Any enclosure must be well ventilated to prevent overheating.
• Provide ample cross ventilation.
b) Protect against contamination
• Protect from any foreign matter.
• Do not store (or spill) pool chemicals near the motor.
• Avoid sweeping or stirring up dust near the motor while it is operating.
• If a motor has been damaged by dirt it voids the motor warranty.
c) Protect against moisture
• Protect from splashing pool water.
• Protect from the weather.
• Protect from lawn sprinklers.
• If a motor has become wet, let it dry before operating. Do not allow the
pump to operate if it has been flooded.
• If a motor has been damaged by water it voids the motor warranty.
d) Regularly verify:
• That the mechanical parts and support screws of the pump are correctly attached.
• The position, attachment and condition of the supply cables and insulating parts.
• The temperature of the motor.
• Whether the pump is vibrating abnormally.
DO NOT wrap with plastic or other airtight materials. The motor may be covered during a
storm, for winter storage, etc. but never when operating or set up for automatic operation.
conditions may occur, run your filtering.
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CAUTION
SYMPTOMS
PROBABLE CAUSE
ACTION
1. 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 hair and lint pot is full.
Closed valves or blocked lines
Open all valve in system, clean skimmer and pump
basket, check pump impeller for blockage.
2. 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 shaff (should spin
freely). If not, contact electrician or nearest Waterco
Limited branch for service.
3. 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.
4. MOTOR RUNS
HOT
Low or incorrect voltage
Supply to be corrected by electrician. Motors run hot
to touch and is normal. Thermal overload protector will
function to turn them off if there is an overload or high
temperature problem.
Installed in direct sunlight
Shield from the weather.
Poor ventilation
Do not tightly cover or enclose motor.
5. NOISY PUMP
OPERATION
Bad bearing
Have electrician replace.
Air leak in suction
See 1.
Suction blockage
Locate and clear blockage
Foreign matter in impeller
Dismantle pump and remove foreign matter and debris
from around impeller.
Cavitations
Improve suction, reduce suction lift, reduce number
of fittings on suction side, increase pipe size, increase
dischange pressure and reduce flow by throttling
dischange valve.
6. MOTOR
OVERLOAD CUTS
OUT
Motor not connected properly
Have electrician check wiring.
Low incoming voltage
Have electrician check voltage, ensure pump is not
running on an extension cord. Report low supply to
authorities.
Overload due to binding in pump or
wrong size impeller
Contact Waterco Limited for servise.
7. WATER LEAK
BETWEEN MOTOR
AND PUMP BODY
Damged or failed mechanical seal
Replace mechanical seal.
TROUBLESHOOTING
Waterco strongly recommends you have a qualified service technician service your pump.
However, many problems may be solved by consulting the table below.
If the Waterco Limited pump is within the stated warranty period and you experience faults,
always contact your supplier or the nearest Waterco Limited branch for advice. Failure to do
this may void the warranty. Refer to warranty documentation supplied with the pump.
All electrical work is to be carried out by a qualified electrician. Under no circumstances
should you attempt repairs on the electrical components of Waterco Limited pumps unless
you are qualified to do so.
WARNING
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