Troubleshooting Chart - Pentair INTELLIFLOXF Installation And User Manual

Troubleshooting Chart

Problem Possible Cause
Pump failure.
Pump will not prime - Air leak in suction.
PRIME ERROR may be displayed.
(For alert display
messages, refer to Alerts
and Warnings on page 24).
Pump will not prime - Not enough water.
Pump does not come out of priming mode.
Pump completes priming mode too early, and/or
there is still a large amount of air in the housing
Pump stainer basket is clogged.
Pump strainer gasket is defective.
Reduced capacity and/
Air pockets or leaks in suction line.
or head. PRIMING FAILURE may be displayed.
(For alert display Clogged impeller.
messages, refer to Alerts PRIMING FAILURE may be displayed.
and Warnings on page 24).
Pump strainer pot clogged.
PRIMING FAILURE may be displayed.
Inadequate circulation.
Filter or pump basket dirty.
(For alert display
messages, refer to Alerts
and Warning on page 24).
Suction/discharge piping is too small.
Speed is set too slow for proper filtration cycle.
XF
®
INTELLIFLO and INTELLIPRO
Corrective Action
Check suction piping and valve glands on any suction gate
valves. Secure lid on pump strainer pot and be sure lid
gasket is in place. Check water level to be sure skimmer is
not drawing air.
Be sure the suction lines, pump, strainer, and pump volute
are full of water.
Adjust priming range to a higher setting
(default setting is 5).
Adjust priming range to a lower setting
(default setting is 5).
Clean pump strainer pot.
Replace gasket.
Check suction piping and valve glands on any suction gate
valves.
Turn off electrical power to the pump.
Remove the (6) bolts that holds the housing (strainer pot/
volute) to seal plate. Slide the motor and seal plate away
from the volute.
Clean debris from impeller. If debris cannot be removed,
complete the following steps:
1. Remove diffuser and o-ring.
2. Remove reverse-thread impeller screw and o-ring.
3. Remove, clean and reinstall impeller.
4. Reinstall reverse-thread impeller screw and o-ring.
5. Reinstall diffuser, and o-ring.
6. Reinstall motor and seal plate into volute.
7. Reinstall seal plate nuts and volute and tighten securely.
Clean suction trap.
Clean pump strainer pot.
Check trap basket; if plugged, turn pump off and clean
basket.
Check and clean pool filter.
Increase piping size.
Increase filtration run time.
XF
®
Variable Speed Pump Installation and User' s Guide
25