Troubleshooting - Hayward PERFLEX EC65A, PERFLEX EC75A Owner's Manual

Perflex™ Extended Cycle Filtration System

Troubleshooting

Problem
Running at high pressures.
Drop off of return flow.
Short cycles.
Probable Cause
D.E. coated with normal accumulation of
pool dirt, algae, etc.
Overcharge of D.E.
Restriction in return line caused by small
eyeball fitting.
Partially closed valve on return line.
D.E. coated with normal accumulation of
pool dirt, algae, etc.
Pump strainer basket clogged.
Skimmer basket clogged.
Pump impeller vanes clogged.
Air leak on suction side of pump.
Electric motor running less than maximum
R.P.M. (underspeed).
D.E. loaded to capacity with pool dirt, algae,
etc.
Bumping incorrectly.
Bump handle bent.
Pump output exceeds design flow rate of
filter.
Presence of algae.
_____________________________________
Bump
Bump-Drain-Recharge.
Change to larger size fitting.
Open valve.
Bump.
Clean.
Clean.
Cleaning with a stiff wire brush through
the pump strainer opening will usually
work. Alternate method would be to dis-
assemble and clean.
Check cover gasket, hand knobs, hose,
clamps, etc. Replace or tighten as
necessary.
Consult pump and motor troubleshooting
guide.
Note: Most motor problems are due to:
1. Undersized or improper wiring.
2. Power cut-backs.
3. Combination of both 1 & 2.
Bump-Drain-Recharge.
Slow down stroke - brisk up stroke.
Repeat 6 times.
Check and straighten or replace.
Check GPM/LPM output. Regulate
pump GPM/LPM output to max. filter
GPM/LPM rating.
Super-chlorinate; Bump-Drain-Recharge
as needed.
Remedy