GE 263, 268 manual Ultramax Series Controller Troubleshooting, Problem Possible Cause Solution

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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

Wait for two minutes for the controller to

 

the camshaft. Camshaft should be

return to Home position. The hourglass

 

rotating to find Home position.

should be flashing on the display

 

 

indicating the motor is running.

 

 

 

 

Camshaft is not turning during ERR 3

Check that motor is connected.

 

display.

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

Verify that optical sensor is in place and

 

minutes to find Home position:

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.

 

 

 

Troubleshooting

39

 

Rev A

Page 39
Image 39
GE 263, 268 manual Ultramax Series Controller Troubleshooting, Problem Possible Cause Solution