Pentair INTELLIFLO VS-3050 - Manual (Page 25)

25
General IntelliFlo ® VS Troubleshooting Problems
Use the following general troubleshooting information to resolve possible problems with your IntelliFlo ® VS pump.
Note: Switch the main power off to the pump before attempting service or repair.
Problem Possible Cause Corrective Action
Pump failure. Refer to
Alarm and warning LED
sequence.
Pump will not prime - Air leak in suction.
Pump will not prime - Not enough water.
Pump strainer clogged.
Pump strainer gasket defective.
Check suction piping and valve glands
on any suction gate valves.
Secure lid on pump strainer pot and
make sure lid gasket is in place.
Check water level to make sure skimmer
is not drawing air.
Ensure that the suction lines, pump,
strainer, and pump volute are full of
water.
Clean pump strainer pot.
Replace gasket.
Reduced capacity and /
or head.
Refer to Alarm and
warning LED sequence.
Air pocket or leaks in suction line.
Clogged impeller.
Pump strainer clogged.
Check suction piping and valve glands
on any suctin gate valves.
Turn off electrical power to the pump.
Remove the (6) bolts that holds the vo-
lute to the seal plate.
Slide the motor and seal plate away from
the volute.
Clean debris from impeller. If debris can-
not be removed, complete the following
steps.
1. Remove diffuser and o-ring.
2. Remove left hand thread anti-spin bolt
and o-ring.
3. Remove, clean and reinstall impeller.
4. Reinstall anti-spin bolt and
o-ring.
Reinstall diffuser, and o-ring.
Reinstall motor and seal plate into volute.
Reinstall (6) bolts around seal plate and
volute and tighten securely.
Clean suction trap.
English