Installer Manual 255-LOGIX 740-760 - Troubleshooting
64 / 76 Ref. MKT-IM-001 / C - 08.10.2019
Issue Cause Reset and recovery
- - : - - Power failure occurred.
Press to reset the time.
Brine tank
overflow.
Uncontrolled brine refill flow rate.
Remove brine controller to clean ball
and seat.
Air leak in brine line to air check.
Check all connections in brine line for
any leaks.
Drain control clogged with resin or
other debris.
Clean drain control.
Flowing or
dripping water at
drain or brine line
after regeneration.
Valve stem return spring is weak. Replace the spring.
Valve disc can not close because of
debris.
Remove debris.
Hard water
leakage after
regeneration.
Improper regeneration.
Control brine dosage setting and
repeat regeneration.
Leaking of external bypass valve. Replace bypass valve.
O-ring around riser pipe damaged. Replace o-ring.
Incorrect capacity.
Verify appropriate brine amount and
system capacity.
Controller will not
draw brine.
Low water pressure.
Control and adjust setting according to
instructions.
Restricted drain line. Remove restriction.
Injector plugged. Clean injector and screen.
Injector defective. Replace injector and cap.
Valve disc 2 and/or 3 not closed.
Remove foreign matter from the disc.
Check if the disc can close by pushing
on stem.
Replace the disc if needed.
Air check valve prematurely closed.
Put controller momentarily into brine
refill (C8 - cycle).
Replace or repair air check if needed.
Controller will not
regenerate
automatically.
AC transformer or motor are not
connected.
Connect the power.
Defective motor. Replace motor.
Controller
regenerates at
wrong time of day.
Controller set incorrectly.
Correct time setting according to
instructions.
See 6.3.5. Regeneration time, page 38.
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