Pentair FLECK 9100 SXT Installer Manual page 77

Problem
Plugged drain line flow control (DLFC) Check flow regulator.
Too much water in Faulty brine valve
the brine tank
Wrong programming
Filter and injector blocked
Power head not operating proper
cycles
Foreign elements in brine valve
Salted water in
Foreign elements in the brine line
service line
(BLFC)
Low water pressure
Wrong programming
Plugged drain line flow control (DLFC) Clean DLFC.
Plugged injectors and filter
Low water pressure
No brine draw
Internal valve leak
Wrong programming
Power head not working properly
Faulty power head
The valve
regenerates Faulty micro-switches or wiring loom
constantly
Defective or badly set cycle cam
Foreign elements in the valve
Internal valve leak
Constant leakage
to the drain Valve blocked in brine refill or
backwash
Defective or blocked controller motor
Power head not operating properly
Ref. MKT-IM-004 / A - 27.10.2016
Installer Manual Fleck 9100 - SXT - Troubleshooting
Cause Solution
Change brine valve.
Check programming and modify if
necessary.
Clean injector and filter.
Replace power head.
Replace brine valve and clean it.
Clean BLFC.
Raise inlet pressure to 1.8 bar
minimum.
Check programming and modify if
necessary.
Clean injectors and filter, change if
necessary.
Raise inlet pressure to 1.8 bar
minimum.
Change seals & spacers and/or piston
assembly.
Check programming and modify if
necessary.
Replace power head.
Change power head.
Change micro-switches or wiring
loom.
Reposition or change cycle cam.
Clean valve and check it in the different
regeneration positions.
Change seals & spacers and/or piston
assembly.
Change seals & spacers and/or piston
assembly.
Replace motor and check gear teeth.
Replace power head.
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