Pentair FLECK 5800 LXT Installer Manual page 72

Installer Manual Fleck 5800 - LXT - Troubleshooting
Problem
Plugged Drain Line.
Excessive water in
Dirty or damaged brine valve.
brine tank and/or
Plugged injector.
salty water to
service.
Low inlet pressure.
Timer not cycling.
Plugged/restricted drain line.
Injector is plugged.
No water in brine tank.
Softener fails to
use salt.
Water pressure is too low.
Brine line injects air during brine draw. Check brine line for air leaks.
Internal valve leak.
Valve cycles
Faulty controller.
continuously.
Foreign material in control valve.
Internal control valve leakage.
Continuous flow to
Valve jammed in brine or backwash
drain.
position.
Motor stopped or jammed during
regeneration.
72 / 88
Cause Solution
Check flow to drain. Clean flow
control.
Clean or replace brine valve.
Clean injector and replace screen.
Increase pressure to allow injector to
perform properly (1.4 bar minimum).
Replace controller.
Clean drain line and/or flow control.
Clean or replace injector and screen.
Check for restriction in BLFC. Ensure
safety float is not stuck.
Line pressure must be at least 1.4 bar.
Call dealer. Check piston, seals and
spacers for scratches and dents.
Replace controller.
Call dealer. Clean valve, rebuild unit.
Replace motor.
Ref. MKT-IM-005 / C - 22.05.2018