Autotrol Logix 764 User Manual

38
Troubleshooting
764 Controller – Error Codes & 255 ”L” with Check Salt Light
Problem Possible Cause Solution
ERR 1 is displayed. Program settings have been corrupted. Press any key and reprogram Level I settings.
ERR 3 is displayed.
Controller on tank 1 does not know the
position of the camshaft. Camshaft should be
rotating to find Home position.
Wait for two minutes for the controller to return to
Home position. The hourglass should be flashing
on the display indicating the motor is running.
Camshaft on tank 1 is not turning during
ERR 3 display.
Check that motor is connected. Verify that 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 cam gear.
If everything is connected, try replacing in this
order:
1. Wire Harness, Motor, Optical Sensor Assy
2. Controller
Camshaft on tank 1 is turning more than five
minutes to find Home position:
Verify that optical sensor is in place and connected
to wire.
Verify that camshaft is connected appropriately.
Verify that no dirt or rubbish is clogging any of the
cam slots.
If motor continues to rotate indefinitely, replace the
following components in this order:
1. Wire Harness, Motor, Optical Sensor Assy
2. Controller
Regeneration starts but control shows Err3
before completing regeneration.
Verify that the correct valve is selected in the Logix
controller.
ERR 4 is displayed.
If single tank system.. Verify system setting is programmed to 255 “L”.
Controller on tank 2 does not know the
position of the camshaft. Camshaft should be
rotating to find Home position.
Wait for two minutes for the controller to return to
Home position. The hourglass should be flashing
on the display indicating the motor is running.
Camshaft on tank 2 is not turning during
ERR 4 display.
Check that motor is connected. Verify that 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 cam gear.
If everything is connected, try replacing in this
order:
1. Wire Harness, Motor, Optical Sensor Assy
2. Controller
Camshaft on tank 2 is turning more than five
minutes to find Home position:
Verify that optical sensor is in place and connected
to wire.
Verify that camshaft is connected appropriately.
Verify that no dirt or rubbish is clogging any of the
cam slots.
If motor continues to rotate indefinitely, replace the
following components in this order:
1. Wire Harness, Motor, Optical Sensor Assy
2. Controller
Check Salt Light is
displayed - Press the
regen button to turn off the
check salt light.
No regenerant draw or insufficient
regenerant detected during regeneration.
Ensure salt/ regenerant is available.
Check for regenerant draw.
Inspect regenerant line for leaks

Autotrol Logix 764 Specifications

General

Brand	Autotrol
Model	Logix 764
Category	Control Unit
Language	English