Troubleshooting
39
Rev A
Troubleshooting
Ultramax Series Controller Troubleshooting
Problem
Possible Cause
Solution
ERR 1 is displayed.
Program settings have been corrupted.
Press any key and reset model number.
ERR 3 is displayed.
Controller does not know the position of
the camshaft. Camshaft should be
rotating to find Home position.
Wait for two minutes for the controller 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 controller
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:
—Wire harness
—Motor
—Optical sensor
—Controller
If camshaft is turning for 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:
—Wire harness
—Motor
—Optical sensor
—Controller
Time of Day incorrect.
Power failure occurred.
Press SET to reset the time display.
