Valve Troubleshooting Guide; 760 Control Troubleshooting Guide For Aqu36; Aqu36 Performa He Control Troubleshooting Guide; Possible Cause - Aquanex AQU36 Manual Del Propietário

valve TRoUblesHooTing gUide

PRobleM
Control will not draw brine.
Brine tank overflow.
System using more or
less salt than salt control
is set for.
Intermittent or irregular
brine draw.
No soft/conditioned water
after regeneration.
Control backwashes
at excessively low or
high rate.
Flowing or dripping
water at drain or brine line
after regeneration.
Hard water leakage during
service.
aQU36 255 ConTRol TRoUblesHooTing gUide
The AQU36 continuously monitors itself and
sounds an alarm if it detects something wrong.
The alarm is a beep that is on for one second
and then off for nine seconds. When the alarm
sounds, the display shows the letters "Err" with
a number from 1 to 3. The table below lists the
39 • 8/08 AQU36WS

Possible CaUse

Low water pressure.
Restricted drain line.
Injector plugged!
Injector defective!
Valve (2 and/or 4) not
closed.
Brine valve (1) being held
open.
Uncontrolled brine refill
flow rate!
Valve (3 or 4) not closed
during brine draw causing
refill.
Air leak in brine line.
Inaccurate setting.
Foreign matter in control-
ler causing incorrect flow
rates!
Defective controller.
Low water pressure.
Defective injector!
Unit did not regenerate.
No salt in brine tank.
Plugged injector!
Incorrect backwash
controller used.
Foreign matter affecting
controller operation!
Drain valve (5 or 6) or brine
valve (1) held open by
foreign matter or particle.
Valve stem return spring on
top plate weak.
Improper regeneration
Leaking of bypass valve!
O-ring around riser tube
damaged!
solUTion
Set pump to maintain 30 PSI at condi-
tioner.
Remove restriction.
Clean injector and screen.
Replace injector.
Remove foreign matter from disc and
check disc for closing by pushing in on
stem. Replace if needed.
Manually operate valve stem to flush
away obstruction.
Remove variable salt controller to
clean.
Flush out foreign matter by holding disc
open and manually operating valve
stem.
Check all connections in brine line for
leaks. Refer to instructions.
Correct setting.
Remove variable salt controller and
flush out foreign matter. Manually posi-
tion control to brine draw to clean con-
troller (after so doing, position control to
"purge" to remove brine from tank).
Replace controller.
Set pump to maintain 30 PSI at soft-
ener/conditioner.
Replace both injector and injector cap.
Check for power.
Add salt.
Clean injector. Flush with water.
Replace with correct size controller.
Remove controller and ball. Flush with
water.
Manually operate valve stem to flush
away obstruction.
Replace spring.
Repeat regeneration making certain
that the correct salt dosage is set.
Replace O-ring.
Replace O-ring.
Err numbers, a description of each error, the
cause of the error, and the solutions. To silence
the alarm, press any button on the control. If the
error still exists, the control will go back to the
alarm condition after 30 seconds.