Hayward Perflex Models: EC65A EC75A - Page 8

of 12, IS65ING Rev A, Pomona, CA, Clemmons, NC, Nashville, TN - pump

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Page 8 of 12 IS65ING Rev A PROBLEM PROBABLE CAUSE REMEDY 1. D.E. coated with normal accumulation of pool 1. Bump. dirt, algae, etc. 2. Bump-Drain-Recharge. Running at high 2. Overcharge of D.E. 3. Change to larger size fitting. pressures. 3. Restriction in return line caused by small 4. Open valve. eyeball fitting. 4. Partially closed valve on return line. 1. D.E. coated with normal accumulation of pool 1. Bump. dirt, algae, etc. 2. Clean. 2. Pump strainer basket clogged. 3. Clean. 3. Skimmer basket clogged. 4. Cleaning with a stiff wire thru the 4. Pump impeller vanes clogged. pump strainer opening will usually work. Alternate would be to disassemble-and clean. Drop off of return 5. Air leak on suction side of pump. flow. 6. Electric motor running less than maximum 5. Check cover gasket, hand knobs, hose, clamps, etc. Replace or tighten as necessary. R.P.M. (under speed) 6. Consult pump and motor trouble shooting guide. NOTE: Most motor problems are due to: 1. Undersized or improper wiring. 2. Power cut-backs or a combination of both. 1. D.E. loaded to capacity with pool dirt, algae, 1. Bump-Drain-Recharge. etc. 2. Slow down stroke - brisk upstroke. 2. Bumping incorrectly. Repeat 6 times. 3. Check and straighten or replace. Short cycles. 3. Bump handle bent. 4. Check GPM/LPM output. Regulate 4. Pump output exceeds design flow rate of filter. pump GPM/LPM output to max. filter GPM/LPM rating. 5. Super-chlorinate; Bump-Drain- 5. Presence of algae. Recharge as needed. Contaminated (clogged) Flex-Tube braids Clean Tube Nest caused by: a) Detergent Cleaning: Remove a. Natural accumulation of chemical deposits tube nest and hose down with Short cycles -- (accelerated if chemicals are fed thru forceful stream of clean water. skimmer). Soak tube nest in strong even after proper b. Running D.E. charge too long with excessive solution of laundry detergent bumping, amount of live algae present in pool. (such as Cheer) and warm draining, and c. Operating filter without D.E. water. Hose down again. recharging d. Operating too long without D.E. after starting pump. D.E. must be added as soon as b) Chemical Cleaning: This filter is full of water and pump is putting requires use of water and out a steady stream. muriatic acid solution (or filter USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN www.haywardpool.com

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Page 8 of 12
IS65ING Rev A
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA
Clemmons, NC
Nashville, TN
www.haywardpool.com
PROBLEM
PROBABLE CAUSE
REMEDY
Running at high
pressures.
1. D.E. coated with normal accumulation of pool
dirt, algae, etc.
2. Overcharge of D.E.
3. Restriction in return line caused by small
eyeball fitting.
4. Partially closed valve on return line.
1. Bump.
2.
Bump-Drain-Recharge.
3. Change to larger size fitting.
4. Open valve.
Drop off of return
flow.
1. D.E. coated with normal accumulation of pool
dirt, algae, etc.
2. Pump strainer basket clogged.
3. Skimmer basket clogged.
4. Pump impeller vanes clogged.
5. Air leak on suction side of pump.
6. Electric motor running less than maximum
R.P.M. (under speed)
1. Bump.
2. Clean.
3. Clean.
4. Cleaning with a stiff wire thru the
pump strainer opening will usually
work. Alternate would be to
disassemble-and clean.
5. Check cover gasket, hand knobs,
hose, clamps, etc. Replace or
tighten as necessary.
6. Consult pump and motor trouble
shooting guide.
NOTE:
Most motor problems are
due to:
1. Undersized or improper wiring.
2. Power cut-backs or a
combination of both.
Short cycles.
1. D.E. loaded to capacity with pool dirt, algae,
etc.
2. Bumping incorrectly.
3. Bump handle bent.
4. Pump output exceeds design flow rate of filter.
5. Presence of algae.
1. Bump-Drain-Recharge.
2. Slow down stroke - brisk upstroke.
Repeat 6 times.
3. Check and straighten or replace.
4. Check GPM/LPM output. Regulate
pump GPM/LPM output to max.
filter GPM/LPM rating.
5. Super-chlorinate;
Bump-Drain-
Recharge as needed.
Short cycles --
even after proper
bumping,
draining, and
recharging
Contaminated (clogged) Flex-Tube braids
caused by:
a. Natural accumulation of chemical deposits
(accelerated if chemicals are fed thru
skimmer).
b. Running D.E. charge too long with excessive
amount of live algae present in pool.
c. Operating filter without D.E.
d. Operating too long without D.E. after starting
pump. D.E. must be added as soon as
filter is full of water and pump is putting
out a steady stream.
Clean Tube Nest
a)
Detergent Cleaning: Remove
tube nest and hose down with
forceful stream of clean water.
Soak tube nest in strong
solution of laundry detergent
(such as
Cheer)
and warm
water.
Hose down again.
b)
Chemical Cleaning: This
requires use of water and
muriatic acid solution (or filter