Pentair IntelliFlo VF - Inadequate Circulation Troubleshooting; Electrical Problem Troubleshooting; Mechanical Troubles and Noise; Energy Efficiency and Pool Operation

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IntelliFlo VF Installation and User’s Guide
Troubleshooting Problems (Continued)
Problem Possible Cause Corrective Action
Inadequate circulation.
(For IntelliFlo alert display
messages, refer to Alerts
and Warning on page 59).
Pump overcurrent. Check trap basket; if plugged, turn
pump o and clean basket. Suction/
discharge piping is too small. Check
and clean pool lter.
Electrical problem.
(For IntelliFlo alert display
messages, refer to Alerts
and Warning on page 59).
Pump may be running too slowly.
Pump may be too hot.
Check voltage at motor terminals and
at meter while pump is running. If
low, see wiring instructions or consult
power company.
Check for loose connections.
Check line voltage; if less than 90%
or more than 110% of rated voltage
consult a licensed electrician.
Increase ventilation.
Reduce ambient temperature. Tight-
en any loose wiring connections.
Motor internal terminal overload
protector is open.
Motor runs too hot. Turn power to
motor o.
Check for proper voltage.
Check for proper impeller or impeller
rubbing.
Mechanical Troubles and
Noise.
The pump motor is running but with loud noise.
Cavitation.
If suction and discharge piping are
not adequately supported, pump
assembly will be strained. Do not
mount pump on a wooden platform!
Securely mount on concrete platform
for quietest performance. Foreign
matter (gravel, metal, etc.) in pump
impeller. Disassemble pump, clean
impeller, follow pump service instruc-
tions for reassembly.
Improve suction conditions. Increase
pipe size. Decrease number of t-
tings. Increase discharge pressure.