Pentair FLECK 9100 SXT, Installer Manual

Page: 91 / 108

Installer manual Fleck 9100 SXT - Troubleshooting
Ref. MKT-IM-004 / E - 06.10.2020 91 / 108
Problem Cause Solution
Resin loss through drain
line Top distributor missing or broken. Add or replace the top distributor.
Air in water system. Ensure the presence of air check
system in the brine tank.
Improperly sized drain line flow
control. Size the drain line flow control
correctly.
Iron presence in the
valve/treated water The resin bed is dirty. Check backwash, brine draw, and
brine refill. Regenerate more
often and increase backwash
cycle time.
Iron concentration exceeds
recommended parameters. Contact your local dealer.
Too much water in the
brine tank. Plugged drain line flow control. Clean drain line flow control.
Plugged injector system. Clean injector and screen, change
if necessary.
Faulty brine valve. Change brine valve.
Bad programming. Program correctly.
Controller is not cycling. Change controller.
Foreign material in the brine
valve. Replace brine valve seat and clean
the valve.
Foreign material in the brine line
flow control. Clean brine line flow control.
Salted water in service
line Plugged injector and/or filter. Clean or replace injector and/or
filter.
Power head not operating
properly. Change power head.
Foreign material in the brine
valve. Replace brine valve seat and clean
the valve.
Foreign material in the brine line
flow control. Clean brine line flow control.
Low water pressure. Raise inlet pressure to 1.8 bar
minimum.
Bad programming. Program correctly.