Troubleshooting
Problem |
| Possible Causes |
| Likely Solutions |
Tool will not start. | 1. | Cord not connected. | 1. | Check that cord is plugged in. |
| 2. | No power at outlet. | 2. | Check power at outlet. If outlet is unpowered, |
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| turn off tool and check circuit breaker. If breaker |
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| is tripped, make sure circuit is right capacity |
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| for tool and circuit has no other loads. |
| 3. | Tool’s thermal reset breaker | 3. | Turn off tool and allow to cool. |
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| tripped (if equipped). |
| Press reset button on tool. |
| 4. | Internal damage or wear. | 4. | Have technician service tool. |
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| (Carbon brushes or |
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| switch, for example.) |
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Tool operates slowly. | Extension cord too long or | Eliminate use of extension cord. If an extension cord | ||
| wire size too small. | is needed, use one with the proper diameter for its | ||
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| length and load. See Table A on page 2. | |
Performance | 1. | 1. | Replace | |
decreases over time. | 2. | Carbon brushes worn | 2. | Have qualified technician replace brushes. |
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| or damaged. |
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Excessive noise | Internal damage or wear. (Carbon | Have technician service tool. | ||
or rattling. | brushes or bearings, for example.) |
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Overheating. | 1. | Forcing machine to work too fast. | 1. | Allow machine to work at its own rate. |
| 2. | Blocked motor housing vents. | 2. | Wear |
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| NIOSH‑approved dust mask/respirator while |
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| blowing dust out of motor using compressed air. |
| 3. | Motor being strained by long or | 3. | Eliminate use of extension cord. If an extension cord |
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| small diameter extension cord. |
| is needed, use one with the proper diameter for |
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| its length and load. See Table A on page 2. |
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.
SKU 68104 | For technical questions, please call | Page 9 |
