Control Error Codes
Problem
Possible Cause
Solution
E1 is displayed.
Program settings have been corrupted.
Press any key. Reprogram control. If E1 does not clear,
replace control.
E3 is displayed.
Control does not detect the camshaft position and is
returning to the service position.
Wait until the control returns to the service position.
Camshaft is not turning during E3 display.
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
Camshaft is turning more than five minutes to find Home
position:
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. Motor Assembly, Optical Sensor
2. Control
System
Problem
Possible Cause
Solution
Flowing or dripping water at drain after
cleaning cycle.
Debris is preventing #3 or #4 valve disc from
closing.
Remove debris.
Worn #3 or #4 valve disc.
Replace valve discs.
Control will not complete a cleaning cycle
automatically.
AC adapter or motor not connected.
Connect power.
Debris is preventing camshaft from rotating.
Remove debris.
Defective motor.
Replace motor.
Meter clogged with debris.
Remove and clean meter.
Backwashes or purges at excessively low or
high rate.
No drain line flow control.
Install drain line flow control.
Restricted drain line.
Remove restriction.
Flow indicator on control does not display
service flow.
Bypass system in bypass position.
Remove bypass system from bypass.
Meter cable dislodged from valve.
Fully insert meter cable into valve.
Meter clogged with debris.
Remove and clean meter.
TROUBLESHOOTING
10 •
Autotrol
®
363 Demand Automatic Filter Valve
