Pentair AUTOTROL 604 - Page 47

Installer Manual Autotrol 368 / 604-606 - Troubleshooting
Ref. MKT-IM-007 / A - 16.12.2016 47 / 54
* 368 valve with 606 controller only.
Issue Cause Solution
Brine tank
overflow.
Loose in brine line connection.
Ensure all brine line connections are
tight.
Drain line restricted with debris.
Clean the drain controller. See 9.2.
Cleaning and maintenance, page 37.
Flowing or
dripping water at
drain or brine line
after regeneration.
Debris is preventing #3 or #4 valve
disc from closing.
Remove debris.
#3 or #4 valve disc worn.
Replace valve discs. See 9.2.7.
Cleaning or replacing the flappers,
page 44.
Hard water
leakage after
regeneration.
Improper regeneration.
Repeat regeneration after making
certain correct brine dosage was set.
Leaking of external bypass valve.
Replace the bypass valve. See 5.8.1.
Bypass assembly, page 24.
O-Ring around riser pipe damaged. Replace O-ring.
Controller will not
draw brine.
Restricted drain line. Remove the restriction.
Injector plugged.
Clean the injector and screen. See 9.2.
Cleaning and maintenance, page 37.
Debris is preventing valve discs from
closing.
Remove foreign matter from valve
discs.
Controller will not
regenerate
automatically.
AC adapter or motor not connected. Connect the power.
Defective motor.
Replace the motor. See 9.2.6. Motor
and camshaft replacement, page 42.
Meter clogged with debris.*
Remove and clean the meter.* See 9.2.
Cleaning and maintenance, page 37.
Controller
regenerates at
wrong time of day.
Time of day set incorrectly.
Set correct the time of day. See 6.1.
Time of day, page 28.
Intermittent brine
draw.
Low water pressure.
Maintain a minimum pressure of
1.3 bar (20 psi).