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INTELLIFLO3™ VSF / INTELLIPRO3™ VSF Variable Speed and Flow Pump Installation and Maintenance Guide
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Pump is Noisy or
Operating Loudly.
Debris in contact with cooling fan Ensure the fan guard is clean. Use compressed air to
remove any dirt, debris or blockages.
Clogged impeller Disassemble the pump and remove debris from the
impeller.
Refer to Disassembly on page 16 and Reassembly
on page 16 for instructions.
Too much debris in strainer basket
causing cavitation
Clean the pump strainer basket.
Refer to Pump Strainer Basket on page 13 for
instructions.
Motor speed too high Consider reducing the speed if possible.
Pump is Leaking
(from Strainer Pot -
Seal Plate Joint)
1. Ensure the seal plate O-ring is not pinched between
the seal plate and strainer pot.
2. Tighten the bolts joining the strainer pot and the
seal plate.
3. If leak persists, disassemble the pump.
Inspect all O-rings and seals for damage or debris
build-up. Replace or clean the seals if necessary.
Refer to Disassembly on page 16 and
Reassembly on page 16 for instructions.
Pump is Leaking
(from Strainer Pot Lid)
1. Ensure the strainer pot lid is installed correctly (lid
handles are perpendicular to the suction port) and
is compressing the strainer pot lid O-ring.
2. Refer to Pump Strainer Basket on page 13 and
remove the strainer pot lid.
Inspect the strainer pot lid O-ring for damage or
debris build-up. Replace or clean the O-ring if
necessary.
Pump is Leaking
(from Underneath
Motor)
Disassemble the pump and inspect the shaft seal.
The shaft seal is a wearable part and will need to be
replaced after prolonged operation.
Refer to Disassembly on page 16 and Reassembly
on page 16 for instructions.
Troubleshooting Chart (continued)
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