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Code Description Cause Solution
Err 1 Electronics failure Control settings need reprogramming • Press any key to load default values.
Refer to Programming the Control.
Err 2 Improper start of Valve cam gear has been manually • Press any key to clear the alarm.
regeneration (limit switch rotated during a regeneration (Alarm automatically clears at “TIME OF
open when it should be REGEN”).
closed)
Valve cam gear has been manually • The control will turn the motor on and drive
rotated out of “service” position the cam gear to the proper location.
Faulty motor • Replace motor assembly.
Motor wire disconnected • Make sure motor wire is fully connected to
control.
Faulty switch • Replace switch.
Err 3 Improper finish of Valve cam gear has been manually • The control will turn the motor on and
regeneration (limit switch rotated out of “service” position drive the cam gear to the proper location.
closed when it should be open)
Faulty motor • Replace motor assembly.
Motor wire disconnected • Make sure motor wire is fully connected to
control.
Faulty switch • Replace switch.
Err 4 Improper control settings One or more settings is out of the • See the Advanced Programming
(one or more settings out allowable range Parameters section on page 22 and Default
of the allowable range) Settings section on page 23.
Manual Indexing for Each Regeneration
The control valve may be manually indexed to each
regeneration position as follows:
1. Remove the control valve cover.
2. Press down on the top of the drive gear to disengage the
cam gear. (See Step 1 in Start-Up Rinsing Procedure
section.)
3. With the cam gear disengaged, rotate the cam gear
counterclockwise to the various positions, using the same
steps as the Start-Up Rinsing Procedure.
The control valve may also be operated in a fast mode for
testing the control. To activate the fast mode, follow Steps 1
and 2 above to disengage the cam gear. When the cam
gear is disengaged, it should be advanced slightly in a
counterclockwise direction.
The switch will then activate the motor to cause the cam gear
to advance through all the cycles in about 30 minutes. The
control will not recognize a fast mode as a regeneration.
Manual regenerations can be initiated only by pressing the
manual regeneration switch on the face of the control.
Errors
This system continuously monitors itself and displays an error
message if it detects something wrong.
When an error is detected, the display shows the letters “Err”
with a number from 1 to 4. The table below lists Err numbers,
a description of each error, the cause of the error and the
solutions.
To clear the error from the display, press any button on the
control. If the error still exists, the control will display the error
message again after 30 seconds.
Advanced troubleshooting.
Error Detection Codes