Troubleshooting
Problem |
| Possible Causes |
| Likely Solutions |
Tool will not start. | 1. | Cord not connected. | 1. | Check that cord is plugged into 120V |
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| outlet. |
| 2. | No power at outlet. | 2. | Check power at outlet. If outlet is |
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| unpowered, turn off tool and check circuit |
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| breaker. If breaker is tripped, make sure |
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| circuit is right capacity for tool and circuit |
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| has no other loads. |
| 3. | Internal damage or wear. (Carbon | 3. | Have technician service tool. |
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| brushes or switch, for example.) |
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Tool operates slowly. | 1. | Tool is set on slow speed setting. | 1. | Increase speed setting. |
2.Excess pressure applied to workpiece. 2. Decrease pressure, allow tool to do the work.
| 3. | Power being reduced by too lengthy or | 3. | Eliminate use of extension cord. If an |
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| small diameter extension cord. |
| extension cord is needed, use one with |
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| the proper diameter for its length and load. |
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| See Extension Cords in GROUNDING |
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| section. |
Performance | Worn internal components. | Have qualified technician service tool. | ||
decreases over time. |
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Excessive noise or | Internal damage or wear. (Worn bearings, | Have technician service tool. | ||
rattling. | for example.) |
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Overheating. | 1. | Forcing tool to work too fast. | 1. | Allow tool to work at its own rate. |
| 2. | Blocked motor housing vents. | 2. | Wear |
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| while blowing dust out of motor using |
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| compressed air. |
| 3. | Motor being strained by too lengthy or | 3. | Eliminate use of extension cord. If an |
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| small diameter extension cord. |
| extension cord is needed, use one with |
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| the proper diameter for its length and load. |
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| See Extension Cords in GROUNDING |
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| section. |
Tool does not grind, | 1. | Disc accessory may be loose on | 1. | Be sure disc accessory is of correct |
sand or brush |
| Spindle. Check tightness of Collet Nut |
| dimension and Collet Nut is tight. |
effectively. |
| or threaded disc accessory on Spindle. |
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| 2. | Disc accessory may be damaged, worn | 2. | Check condition and type of disc |
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| or wrong type for the material. |
| accessory. Use only proper type of disc |
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| accessory. Accessories must be in good |
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| condition. |
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.
SKU 40457 | For technical questions, please call | Page 11 |
