Pentair AUTOTROL 368 - Page 55

Installer manual Autotrol 368 (604-606) - Troubleshooting
Ref. MKT-IM-007 / D - 09.10.2020 55 / 60
Issue Cause Solution
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 Bypass
assembly [
→
Page27].
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
Cleaning and maintenance
[
→
Page45].
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 Motor and
camshaft replacement [
→
Page49].
Meter clogged with debris.* Remove and clean the meter.* See
Cleaning and maintenance
[
→
Page45].
Controller
regenerates at
wrong time of day.
Time of day set incorrectly. Set correct the time of day. See Time
of day [
→
Page34].
Intermittent brine
draw.
Low water pressure. Maintain a minimum pressure of
1.3bar(20psi).
No conditioned
water after
regeneration.
No brine in brine tank. Add brine to brine tank.
Injector plugged. Clean the injector and screen. See
Backwash flow controller cleaning
[
→
Page47].
Backwashes or
purges at
excessively low or
high rate.
Incorrect drain controller used. Replace with correct size controller.
No drain line flow controller. Install drain line flow controller. See
Drain line flow controller [
→
Page26].
Restricted drain line. Remove restriction.
Run out of
conditioned water
between
regenerations.
Controller improperly programmed. Verify salt dosage and regeneration
interval settings. See Programming
[
→
Page32].
Flow indicator on
controller does
not display service
flow.*
Bypass valve in bypass position.* Remove bypass valve from bypass
position.* See Bypassing [
→
Page27].
Meter cable dislodged from valve.* Fully insert meter cable into valve.*
Meter clogged with debris.* Remove and clean the meter.* See
Cleaning and maintenance
[
→
Page45].
*368valve with 606controller only.