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This section covers the most common problems and corrections with this type of machine. N8IE@E>;FEFKdXb\XepX[aljkd\ekjlek`cgfn\i`j[`jZfee\Zk\[Xe[ dfm`e^gXikj_Xm\Zfd\kfXZfdgc\k\jkfg
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Machine does not start or a | 1. | Plug/receptacle is at fault or wired | 1. | Test for good contacts; correct the wiring. |
breaker trips. |
| incorrectly. |
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| 2. | Start capacitor is at fault. | 2. | Test/replace if faulty. |
| 3. | Wall fuse/circuit breaker is blown/ | 3. | Ensure correct size for machine load; replace weak |
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| tripped. |
| breaker. |
| 4. | Motor connection wired incorrect- | 4. | Correct motor wiring connections. |
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| ly. |
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| 5. | Power supply is at fault/switched | 5. | Ensure hot lines have correct voltage on all legs and |
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| OFF. |
| main power supply is switched ON. |
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| 6. | Replace faulty ON/OFF switch. |
| 6. | Motor ON/OFF switch is at fault. | 7. | Check for broken wires or disconnected/corroded |
| 7. | Wiring is open/has high resistance. |
| connections, and repair/replace as necessary. |
| 8. | Motor is at fault. | 8. | Test/repair/replace. |
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Machine stalls or is under- | 1. | Wrong blade for the workpiece | 1. | Use blade with correct properties for your type of |
powered. |
| material. |
| cutting. |
| 2. | Wrong workpiece material. | 2. | Use metal with correct properties for your type of |
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| cutting. |
| 3. | Feed rate/cutting speed too fast | 3. | Decrease feed rate/cutting speed. |
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| for task. |
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| 4. | Blade is slipping on wheels. | 4. | Adjust blade tracking and tension. |
| 5. | Low power supply voltage. | 5. | Ensure hot lines have correct voltage on all legs. |
| 6. | Motor bearings are at fault. | 6. | Test by rotating shaft; rotational grinding/loose |
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| shaft requires bearing replacement. |
| 7. | Plug/receptacle is at fault. | 7. | Test for good contacts; correct the wiring. |
| 8. | Motor connection is wired incor- | 8. | Correct motor wiring connections. |
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| rectly. |
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| 9. | Motor has overheated. | 9. | Clean off motor, let cool, and reduce workload. |
| 10. Motor is at fault. | 10. Test/repair/replace. | ||
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Machine has vibration or | 1. | Motor fan is rubbing on fan cover. | 1. | Replace dented fan cover; replace loose/damaged |
noisy operation. |
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| fan. |
| 2. | Blade is at fault. | 2. | Replace/resharpen blade. |
| 3. | Gearbox is at fault. | 3. | Rebuild gearbox for bad gear(s)/bearing(s). |
| 4. | Wrong blade & too slow of speed. | 4. | Change blade and or speed. |
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Machine is loud when cut- | 1. | Excessive feed rate. | 1. | Refer to Feed Rate on Page 25, or Blade Speed on |
ting or bogs down in the |
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| Page 23, and adjust as required. |
cut. | 2. | The blade TPI is too great, or the | 2. | Refer to Blade Selection on Page 24 and adjust as |
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| material is too coarse. |
| required. |
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