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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 1. | Safety key removed from ON/OFF | 1. | Replace safety key. |
a breaker trips. | switch. |
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2. | Plug/receptacle is at fault or wired | 2. | Test for good contacts; correct the wiring. |
| incorrectly. |
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3. | Power supply is at fault/switched | 3. | Ensure hot lines have correct voltage on all legs and |
| OFF. |
| main power supply is switched ON. |
4. | Lockout key is at fault. | 4. | Install/replace lockout key; replace switch. |
5. | Motor brushes are at fault. | 5. | Remove/replace brushes. |
6. | Motor ON/OFF switch is at fault. | 6. | Replace faulty ON/OFF switch. |
7.Wiring is open/has high resistance. 7. Check for broken wires or disconnected/corroded connections, and repair/replace as necessary.
| 8. | Motor is at fault. | 8. | Test/repair/replace. |
Machine stalls, is | 1. | Wrong workpiece material (wood). | 1. | Use wood with correct moisture content, without |
underpowered, or is |
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| glues, and little pitch/resins. |
overloaded. | 2. | Cutterhead belt slipping. | 2. | Replace cutterhead belt and |
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| 3. | Plug/receptacle is at fault. | 3. | Test for good contacts; correct the wiring. |
| 4. | Motor brushes are at fault. | 4. | Remove/replace brushes. |
| 5. | Motor bearings are at fault. | 5. | Test by rotating shaft; rotational grinding/loose |
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| shaft requires bearing replacement. |
| 6. | Machine is undersized for the task. | 6. | Stop operation. |
| 7. | Knives dull, feed rate is too fast | 7. | Use sharp knives; reduce feed rate/depth of cut. |
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| depth of cut too great. |
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| 8. | Motor has overheated. | 8. | Clean off motor, let cool, and reduce workload. |
| 9. | Motor is at fault. | 9. | Test/repair/replace. |
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Machine has vibration or | 1. | Motor or component is loose. | 1. | Inspect/replace stripped or damaged bolts/nuts, |
noisy operation. |
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| and |
| 2. | Knife blades, clamp or jack screws | 2. | Resharpen/replace knives as required; set knife |
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| are at fault. |
| alignment correctly. |
| 3. | Belts worn or loose. | 3. | Inspect/replace belts with a new ones. |
4.Motor fan is rubbing on fan cover. 4. Replace dented fan cover; replace loose/damaged fan.
5. | Loose mounting bolts. | 5. | Replace/tighten as required. |
6. | Blade is at fault. | 6. | Replace warped, bent, or twisted blade; resharpen |
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| dull blade. |