Troubleshooting
Controller – Error Codes
Problem
Possible Cause
Program settings have
E 1 is displayed.
been corrupted.
Control does not detect the
camshaft position and is
E 3 is displayed.
returning to the service
position.
Camshaft is not turning
during E 3 display.
Camshaft is turning more
than five minutes to find
Home position:
Pentair Residential Filtration, LLC
Press any key. If E 1 does not clear. Replace control.
Wait until the control returns to the Service position.
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
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. Optical Sensor
2. Control
Solution
19
Rev B