Pentair INTELLIFLO VSD2 User Manual

TROUBLESHOOTING 2/3
GENERAL TROUBLESHOOTING PROBLEMS
Use the following general troubleshooting information to resolve possible problems with your
IntelliFlo® pump. Note: Turn off power to unit prior to attempting service or repair.
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Pump failure.
(For IntelliFlo
®
alert display
messages, refer
to Alerts and
Warnings on page
45).
Pump will not prime - Air leak in suction.
PRIME ERROR may be displayed.
Pump will not prime - Not enough water.
Pump does not come out of prime.
Pump stainer gasket is clogged.
Pump strainer gasket is defective.
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 prime sensitivity to a higher setting
(default setting is 1%).
Clean pump strainer pot.
Replace gasket.
Reduced capacity
and/or head.
(For IntelliFlo
®
alert display
messages, refer
to Alerts and
Warnings on page
45).
Air pockets or leaks in suction line.
PRIME ERROR may be displayed.
Clogged impeller.
PRIME ERROR may be displayed.
Pump strainer pot clogged.
PRIME ERROR may be displayed.
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 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 clamp band around seal plate
and volute and tighten securely.
Clean suction trap
Inadequate
circulation.
(For alert display
messages, refer
to Alerts and
Warnings on page
45)
Filter or pump basket dirty.
Suction / Discharge piping is too small.
Speed is set too slow for proper filtration cycle.
Check trap basket; if plugged, turn pump
off and clean basket.
Check and clean pool filter.
Increase piping size.
Increase filtration run time.
41

Pentair INTELLIFLO VSD2 Specifications

General

Brand	Pentair
Model	INTELLIFLO VSD2
Category	Water Pump
Language	English