![](/images/new-backgrounds/1014259/1425977x1.webp)
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: |
|
| |
|
| |
|
| |
|
| |
|
|
|
| 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: |
|
| |
|
| |
|
| |
|
| |
|
|
|
Time of Day incorrect. | Power failure occurred. | Press SET to reset the time display. |
|
|
|
Troubleshooting | 39 |
| Rev A |