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. |
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| If breaker is tripped, make sure circuit is right |
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| capacity for tool and circuit has no other loads. |
| 3. | Tool’s thermal reset | 3. | Turn off tool and allow to cool. |
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| breaker tripped (if equipped). |
| Press reset button on tool. |
| 4. | Internal damage or wear. (Carbon | 4. | Have technician service tool. |
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| brushes or switch, for example.) |
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Tool operates slowly. | 1. | Excess pressure applied to workpiece. | 1. | Decrease pressure, allow tool to do the work. |
| 2. | Power being reduced by long or | 2. | Eliminate use of extension cord. |
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| small diameter extension cord. |
| If an 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 section. |
Performance | Carbon brushes worn or damaged. | Have qualified technician replace brushes. | ||
decreases over time. |
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Excessive noise | Internal damage or wear. | Have technician service tool. | ||
or rattling. | (Carbon brushes or bearings, 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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| blowing dust out of motor using compressed air. |
| 3. | Motor being strained by long or | 3. | Eliminate use of extension cord. |
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| small diameter extension cord. |
| If an 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 section. |
Tool does not | 1. | Disc accessory may be | 1. | Be sure disc accessory arbor is correct |
grind, sand or |
| loose on Spindle. |
| and Outer Flange/Arbor Nut is tight. |
brush effectively. | 2. | Disc accessory may be damaged, | 2. | Check condition and type of disc accessory. |
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| worn or wrong type for the material. |
| Use only proper type of disc |
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| accessory in good condition. |
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.
Safety
Setup
Operation
Maintenance
Item 69454 | For technical questions, please call | Page 17 |
