Troubleshooting LXT
Error Codes
NOTE: Error codes appear on the In Service display.
Error Code
Error Type
Cause
Reset and Recovery
0
Motor Stall /Cam
Sense Error
No state changes in the optical sensor
are detected for 6 seconds.
Unplug the unit an plug back in. Allow the control to attempt to find position again.
Verify the optical sensor is in place with the wires connected to the circuit board.
Verify the motor and drive train components are in good condition and assembled
properly. Check the valve and verify that the piston travels freely. Replace/reassemble
the various components as necessary.
Plug the unit back in and observe its behavior. If the error reoccurs, unplug the unit,
put it into bypass and contact technical support.
1
Motor Run-On Error /
Cycle Sense Error
An undesired optical sensor state change
occurred.
Non-critical error. Extra optical sensor pulse detected. Press any button to clear the
error. Press extra cycle button to advance motor to clear error.
2
Regen Failure
The system has not regenerated in 30
days.
Perform a Manual Regeneration to reset the error code.
If the system is metered, verify that it is measuring flow by running service water and
watching for the flow indicator on the display. If the unit does not measure flow, verify
that the meter cable is connected properly and that the meter is functioning properly.
Enter Master Programming Mode and verify that the unit is configured as appropriate
for the valve configuration. Check that the correct system capacity and meter size
has been selected.
4
Fail Safe Error
Valve has failed to find position in one
minute.
Unplug the unit and plug it back in. If error continues, call technical support.
W110 LXT Downflow Softeners and SXT Filters
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