User guide
6-1
SECTION 6: TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
1. ERR 1 displayed A. Controller power has been connected and the 
control is not sure of the state of operation. 
A. Press the UP arrow and the control should reset.
2. ERR 2 displayed A. Controller power does not match 50 or 60 Hz. A. Disconnect and reconnect the power.
B. If problem persists, obtain the appropriate controller for either 50 
or 60 Hz power.
3. ERR 3 displayed A. Controller does not know the position of the 
camshaft. Camshaft should be rotating to fi nd 
home position.
A. Wait for 2 minutes for the controller to return to HOME position. 
The hourglass should be fl ashing on the display indicating the 
motor is running.
A. Camshaft is not turning during ERR 3 display  A. Check that motor is connected
B. Verify that motor wire harness is connected to motor and the 
controller module.
C. Verify that optical sensor is connected and in place.
D. Verify that motor gear has engaged cam gear.
E. If everything is connected, try replacing in this order:
- Wire harness
- Motor
- Optical sensor
- Controller
A. If camshaft is turning for more than 5 minutes to 
fi nd HOME position.
A. Verify that optical sensor is in place and connected to wire.
B. Verify that camshaft is connected appropriately. Verify that no dirt 
or rubbish is clogging any of the cam slots.
C. If motor continues to rotate indefi nitely, replace the following 
components in this order:
- Optical sensor
- Wire Harness
- Motor
- Controller
4. Brine tank overfl ow. A. Uncontrolled brine refi ll fl ow rate. A. Remove brine control to clean ball and seat.
B. Air leak in brine line to air check. B. Check all connections in brine line for leaks. Refer to instructions.
C. Drain control clogged with resin or other debris. C. Clean drain control.
5. Flowing or dripping 
water at drain or brine 
line after regeneration.
A. Valve stem return spring weak. A. Replace spring.
6. Hard water leakage 
after regeneration.
A. Improper regeneration. A. Repeat regeneration after making certain correct salt dosage was 
set.
B. Leaking of external bypass valve. B. Replace bypass valve.
C. O-ring around riser pipe damaged. C. Replace o-ring.
7. Control will not draw 
brine.
A. Low water pressure. A. Set pump to maintain 20 psi at softener.
B. Restricted drain line. B. Change drain to remove restriction.
C. Injector plugged. C. Clean injector and screen.
D. Possible problem with injector. D. Replace injector.
E. Air check valve closes prematurely. E. Put control momentarily into brine/slow rinse. Replace or repair 
air check if needed.
F. Valve disc 2 and/or 3 not closed. F. Remove foreign matter from disc and check disc for closing by 
pushing in on stem. Replace if needed.
8. Clock does not display 
time of day.
A. Transformer cord unplugged. A. Connect power.
B. Problem with transformer. B. Replace transformer.
C. Problem with circuit board. C. Replace timer.










