| Problem |
| Possible cause |
| Corrective action |
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| Field contact jumper (J1) has not |
| Remove jumper and wire the |
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| terminals to the processing | |
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| been removed. AUTO MODE. |
| |
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| machine relay. | |
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| |
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| Field contact to the processing |
| Check wiring/check the relay on |
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| machine has failed. |
| the processor. |
| Motor will not stop. |
| Motor switch has failed. |
| Replace. |
|
| Field contact to process machine |
| Correct. | |
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| ||
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| missing or loose. |
| |
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| |
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| Control relay has failed. |
| Replace. |
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| Motor control has failed. |
| Replace. |
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| Optional timer set incorrectly. |
| Reset. |
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| Optional timer has failed. |
| Replace. |
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| Signal from motor speed sensor |
| Secure the sensor connections. |
|
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| missing. |
| |
| Motor runs only at maximum |
|
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| |
|
| Motor control has failed. |
| Replace. | |
| speed. |
| Motor speed sensor has failed. |
| Replace. |
|
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| Motor speed sensor magnet |
| Adjust. |
|
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| misaligned. |
| |
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| |
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| Intermittent signal from motor |
| Secure the sensor connections. |
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| speed sensor. |
| |
| Motor speed not constant. |
|
|
| |
|
| Motor speed sensor has failed. |
| Replace. | |
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| Motor control has failed. |
| Replace. |
|
|
| Material flow problem. |
| Inspect for blockage, etc. |
| Additive is contaminated by |
| Feeder was not cleaned |
| See Section |
| color from previous run. |
| adequately prior to operation. |
| cleanout instructions. |
Other service problems or questions can be answered by contacting the Service Department.
Additive Feeders | Chapter 6: Troubleshooting | 37 of 50 |
