Pentair STA-RITE SC-75P - Section 6 Troubleshooting; Low or no chlorine; Red SALT LED is on.; Yellow SALT LED on and green CELL LED flashing

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English
Secon 6
Troubleshoong
Use the following troubleshoong informaon to resolve possible problems with the SC-75 Salt Chlorinator.
Note: Switch power o to unit before to aempng service or repair. Always remove AC power to Power Center when plugging
or unplugging the SC-75 cell into the Power Center.
Problem Possible Cause Correcve Acon
Low or no chlorine Low Stabilizer (cyanuric acid) level in pool wa-
ter (outdoor pools only).
Add cyanuric acid in outdoor pools only to
maintain 30 - 50 PPM per pool professional’s
recommendaons. See Stabilizer Chart.
Insucient operang hours of the SC-75. Increase the SC-75 operang me per day.
Sanizer output percentage too low or at 0%. Increase sanitzer output by pressing the MORE
buon.
Recent increases in weather temperature with-
out increasing the SC-75 sanizer Output.
Increase sanitzer output by pressing the MORE
buon.
Temporary loss of chlorine due to heavy organ-
ic load, rain, leaves, ferlizer or heavy bather
load, recent party, or pets using pool.
Set “Boost” mode and allow to run for 24
hours. Re-check, If sll too low, super- chlorin-
ate by using an outside source. (Take pool water
sample to pool professional).
Low (less than 2600 ppm) salt level in pool
water, shuts o chlorine producon.
Observe Salt Display lights. See “Salt Level
Status LEDs”
High nitrate and phosphate level. Contact Pool Professional.
Metals present in pool water. Contact Pool Professional.
New pool water, or not shocked properly upon
startup.
Super Chlorinate Pool.
See “Start-up Procedure (Super Chlorinaon)”
Clogged or dirty cell. Remove cell for inspecon. Clean if necessary.
Red SALT LED is on. Pool water needs salt. No chlorine is being
produced.
Add salt to achieve 3400ppm.
Yellow SALT LED on
and green CELL LED
ashing
Salt level in pool water is low and may need
inspecng.
Check salt level, add if necessary to GOOD level.
Allow 24 hours for salt to mix in water. If CELL
light is sll ashing aer 24 hours, remove and
inspect cell and clean if necessary.
Green SALT LED is
ashing
Too much salt in pool. May cause damage to
pool equipment and surrounding surfaces.
Dilute pool water by draining some water, then
lling with fresh water
CELL LED is red. Water is below 12°C. The water temperature must be above 12°C to
produce chlorine.
CELL LED does not
come on.
Chlorine Producon set to 00%. Adjust CHLORINE PRODUCTION to desired
percentage.
Insucient water ow. Cell is plugged with
debris, pump has lost prime.
Remove obstrucon and/or clean cell.. Prime
pump if necessary.
Salt level below 2600 ppm. Add salt.
CELL LED is ashing
green.
Check salt level. Add salt if necessary to maintain 3400 ppm
minimum.
Cell has calcium build-up and requires clean-
ing.
Refer to Maintenance Procedure for acid wash/
cleaning. See “User Maintenance”
Check water chemistry and balance. NOTE
metal content should be 0 ppm.
Remove metals from water using chemical solu-
on.
Limited Warranty : 2 years
More info : www.pentairpooleurope.com