debris. Tighten all fittings/unions on the suction
side of the pump, remove and replace mechanical
seal
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 runs
hot
Low or incorrect voltage
Supply to be corrected by electrician. A motor
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 weather
Poor ventilation
Do not tightly cover or enclose motor
If the pump is within the stated warranty period and you experience faults always contact your
supplier. Failure to do this may void warranty. Refer to warranty documentation supplied with
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 pumps unless you are qualified to
do so.
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