Hayward Perflex Perflex EC50C90 Series - Page 9

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. Bump Remedy Bump-Drain-Recharge. Change to larger size fitting. Partially closed valve on return line. Open valve. D.E. coated with normal accumulation of pool dirt, algae, etc. Bump. Pump strainer basket clogged. Clean. Skimmer basket clogged. Pump impeller vanes clogged. Clean. Cleaning with a stiff wire brush through the pump strainer opening will usually work. Alternate method would be to disassemble and clean. Air leak on suction side of pump. Electric motor running less than maximum R.P.M. (underspeed). 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. D.E. loaded to capacity with pool dirt, algae, Bump-Drain-Recharge. etc. Bumping incorrectly. Slow down stroke - brisk up stroke. Repeat 6 times. Bump handle bent. Pump output exceeds design flow rate of filter. Presence of algae. 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.