Pentair Fleck 5800 LXT - 10 Troubleshooting

Installer manual Fleck 5800 LXT - Troubleshooting
78 / 96 Ref. MKT-IM-005 / F - 30.04.2020
10 Troubleshooting
Problem Cause Solution
Water softener fails to
regenerate automatically.
Cord plugged into intermittent or
switched off power source.
Connect to constant power
source.
Disconnected/faulty meter cable. Reconnect/replace cable.
Defective power cord. Replace cord.
Defective controller, meter or
sensor.
Replace or repair.
Bad programming. Program correctly.
Regeneration at wrong
time.
Timer improperly set, due to
power failure.
Reset controller.
Loss of capacity. Increased raw water hardness. Reset unit to the new capacity.
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 dealer, find out how to
confirm it, clean the resin and
prevent future fouling.
Poor distribution, Channeling
(uneven bed surface).
Call dealer. Check distributors
and backwash flow.
Internal valve leak. Call dealer. Replace spacers,
seals and/or piston.
Resin age. Call dealer. Check for resin
oxidation caused by Chlorine.
Mushy resin.
Resin Loss. Call dealer. Check for correct bed
depth. Broken distributors.
Poor water quality. Check items listed in loss of
capacity.
Bypass valve open. Close by-pass valve.
Channeling. Check for too slow or high service
flow. Check for media fouling.
Mixing wrongly set. Set mixing correctly.
High salt usage. High salt setting. Adjust salt setting.
Excessive water in brine tank. See problem "Excessive water in
brine tank".