TROUBLESHOOTING
604-606 Control - Error Codes
Problem
Possible Cause
Solution
Err 1 is displayed.
Program settings have been corrupted.
Press any key. If Err 1 does not clear, replace control.
Err 3 is displayed.
Control does not detect the camshaft position and is
returning to the service position.
Wait until the control returns to the service position.
Camshaft is not turning during Err 3 display.
Check that motor is connected. Verify that the motor wire
harness is connected to motor and controller module. Verify
that optical sensor is connected and in place. Verify that
motor gear has engaged the camshaft.
If everything is connected, replace components in this order:
1. Motor Assembly, Optical Sensor
2. Control
Camshaft is turning more than five minutes to find Home
position:
Verify that optical sensor is in place and connected to wire.
Inspect for debris in the camshaft slots.
If motor continues to rotate indefinitely, replace the following
components in this order:
1. Motor Assembly, Optical Sensor
2. Control
System
Problem
Possible Cause
Solution
Salt tank overflow.
Loose salt line connection.
Ensure all salt line connections are tight.
Drain line restricted with debris.
Clean drain control.
Flowing or dripping water at drain or salt line
after recharge.
Debris is preventing #3 or #4 valve disc from
closing.
Remove debris.
Worn #3 or #4 valve disc.
Replace valve discs.
Hard water leakage after recharge.
Improper recharge.
Repeat recharge after making certain correct
salt dosage was set.
Leaking of external bypass valve.
Replace bypass valve.
O-Ring around riser pipe damaged.
Replace O-ring.
Control will not draw salt.
Restricted drain line.
Remove restriction.
Injector plugged.
Clean injector and screen.
Debris is preventing valve discs from closing.
Remove foreign matter from valve discs.
Control will not recharge automatically.
AC adapter or motor not connected.
Connect power.
Defective motor.
Replace motor.
Meter clogged with debris.
Remove and clean meter.
Control recharges at wrong time of day.
Time of Day set incorrectly.
Set the correct Time of Day.
Intermittent salt draw.
Low water pressure.
Maintain a minimum of 20 psi
(1.3 bar) feed.
No conditioned water after recharge.
No salt in salt tank.
Add salt to salt tank.
Injector plugged.
Clean injector and screen.
Backwashes or purges at excessively low or
high rate.
No drain line flow control.
Install drain line flow control.
Restricted drain line.
Remove restriction.
Runs out of conditioned water between
recharges.
Control improperly programmed.
Verify salt dosage.
Flow indicator on control does not display
service flow.
Bypass valve in bypass position.
Remove bypass valve from bypass.
Meter cable dislodged from valve.
Fully insert meter cable into valve.
Meter clogged with debris.
Remove and clean meter.
14 •
AUTOTROL
368 Service Manual
