Installer Manual Foleo - Troubleshooting
96 / 112 Ref. MKT-IM-038 / C - 15.11.2019
9.2. Valve
Problem Cause Solution
Flowing or
dripping water at
drain or brine line
after regeneration.
Foreign debris caught between piston
and seals & spacers.
Replace piston and seals & spacers..
Incorrect piston position.
Clean the encoding wheel, clean or
replace the optical sensor, check
motor and gearing and replace if
necessary.
Loss of capacity/
hardness leakage
at end of cycle.
Seasonal raw water hardness
increase.
Check programming and update inlet
hardness.
Brine concentration and/or quantity.
Keep brine tank full of salt at all times.
Clean it yearly. Salt may be bridged. If
using a salt grid plate ensure refill
water is over it.
Resin fouling.
Call your supplier, find out how to
confirm it, clean the resin and prevent
future fouling. Eventually installing a
pre-filter must be done.
Poor distribution, channelling (uneven
bed surface).
Call your supplier. Check distributors
and backwash flow rate.
Internal valve leak.
Call your supplier. Replace spacers,
seals and/or piston.
Resin age. Call your supplier.
Resin Loss.
Call your supplier. Check for correct
bed depth, broken distributors,
incorrect DLFC and valve
configuration.
Valve cycles
continuously.
Faulty controller. Replace controller.
Wrong programming. Check programming.
Continuous flow to
drain.
Foreign material in control valve.
Call your supplier. Clean valve, rebuild
unit.
Internal control valve leakage.
Valve jammed in regeneration position.
Motor stopped or jammed during
regeneration.
Replace motor.
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