Installer Manual 255-LOGIX 740-760 - Troubleshooting
Ref. MKT-IM-001 / C - 08.10.2019 65 / 76
Valve will not draw
brine.
Low water pressure.
Set pump to maintain 1.4 bar at
softener.
Restricted drain line. Change drain to remove restriction.
Injector plugged. Clean injector and screen.
Injector defective. Replace injector.
Air check valve closes prematurely on
255 valve or brine pickup tube.
Put controller momentarily into brine
cycle (C2).
Replace or repair air check if needed.
System using
more or less salt
than brine setting.
Foreign matter in valve causing
incorrect flow rates.
Remove brine controller and flush out
foreign matter. Then advance
controller to brine cycle (C2) to clean
valve (after so doing controller goes to
"2nd fast rinse" cycle (C7) to remove
any brine from tank).
Intermittent or
irregular brine
draw.
Low water pressure.
Set pump to maintain 1.4 bar at
softener.
Defective injector. Replace injector.
No conditioned
water after
regeneration.
No brine in brine tank. Add brine to brine tank.
Injector plugged. Clean injector and screen.
Air check valve closes prematurely.
Put controller momentarily into brine
cycle (C2).
Replace or repair air check if needed.
Backwashes or
purges at
excessively low or
high rate.
Incorrect drain control used. Replace with correct size controller.
Foreign matter affecting valve
operation.
Remove drain control and clean ball
and seat.
No water flow
display when
water is flowing on
760 controller.
Bypass valve in bypass.
Shift bypass valve to non-bypass
position.
Meter probe disconnected or not fully
connected to meter housing.
Fully insert probe into meter housing.
Restricted meter turbine rotation due
to foreign matter in meter.
Remove meter housing, free up
turbine and flush with clean water.
Turbine should spin freely. If not,
replace meter.
Issue Cause Reset and recovery
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