Troubleshooting
Demand Control – Error Codes
Problem
Possible Cause
Solution
ERR 1 is displayed.
Program settings have been corrupted.
Press any key and reprogram Level I settings.
ERR 2 is displayed.
The control is not a “North American” 60 Hz
model.
Install 60 Hz Demand control.
ERR 3 is displayed.
Control does not know the position of the
camshaft. Camshaft should be rotating to
find Home position.
Wait for two minutes for the control to return
to Home position. The hourglass should be
flashing on the display indicating the motor is
running.
Camshaft is not turning during ERR 3 display.
Check that motor is connected. Verify that
motor wire harness is connected to motor
and control module.
Verify that optical sensor is connected and in
place.
Verify that motor gear has engaged cam gear.
If everything is connected, try replacing in
this order:
1. Wire harness, motor, optical sensor
assembly
2. Control
Camshaft is turning more than five minutes
to find Home position.
Verify that optical sensor is in place and
connected to wire.
Verify that camshaft is connected
appropriately.
Verify that no dirt or rubbish is clogging any
of the cam slots.
If motor continues to rotate indefinitely,
replace the following components in this
order:
1. Wire harness, motor, optical sensor
assembly
2. Control
32 •
PENTAIR
Pro Elite Professional Series Pro Elite Demand Instruction Manual
