Model W1828 (For Machines Mfg. Since 4/11)
Troubleshooting
This section covers the most common problems and corrections with this type of machine. WARNING! DO NOT make any adjustments until power is disconnected and moving parts have come to a complete stop!
PROBLEM |
| POSSIBLE CAUSE |
| corrective action |
Machine does not start. | 1. | Switch disabling key removed. | 1. | |
| 2. | Break or short in wiring, loose con- | 2. | Trace/replace broken or corroded wires, fix loose |
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| nections, plug or receptacle is cor- |
| connections, correct wiring. |
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| roded or miswired. |
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3.Power supply switched off/has 3. Switch power supply on/verify voltage. incorrect voltage.
4.Blown fuse/tripped circuit breaker 4. Correct the cause of overload, then reset/replace
at main panel. | fuse or breaker. |
5.Motor connection wired incorrectly. 5. Wire motor correctly (refer to inside junction box cover).
| 6. | Motor ON/OFF switch at fault. | 6. | Replace switch. | |
| 7. | Start capacitor has blown. | 7. | Test/replace if at fault. | |
| 8. | Centrifugal switch at fault. | 8. | Adjust/replace centrifugal switch. | |
| 9. | Motor at fault. |
| 9. | Test for shorted windings or bad bearings; repair or |
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| replace. |
Machine has excessive | 1. | Workpiece loose or | incorrectly | 1. | Use correct holding fixture and |
vibration or noise. |
| secured. |
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| workpiece. |
| 2. | Motor fan rubbing on fan cover. | 2. | Fix/replace fan cover; replace loose or damaged | |
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| fan. |
| 3. | Motor mounting loose. |
| 3. | Tighten mounting bolts/nuts; use thread locking |
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| fluid. |
| 4. | Table tilt lock handle is loose. | 4. | Tighten the lock handle. | |
| 5. | Machine incorrectly | mounted to | 5. | Level/shim base; tighten/adjust mounting hard- |
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| bench. |
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| ware. |
| 6. | Centrifugal switch out of adjust- | 6. | Adjust/replace centrifugal switch. | |
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| ment; at fault. |
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| 7. | Motor bearings worn or damaged. | 7. | Replace motor bearings or replace motor. | |
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Machine stalls or slows | 1. | Too much pressure when feeding | 1. | Reduce pressure when feeding workpiece. | |
when operating. |
| workpiece |
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| 2. | Workpiece is warped. |
| 2. | Straighten workpiece or use a different one. |
3.Workpiece is incorrect for machine. 3. Only sand wood and ensure moisture is below 20%.
4.Motor connection wired incorrectly. 4. Review wiring diagram on motor cover; correct wire connections.
| 5. | Motor overheated. | 5 | Let cool, clean motor, and reduce workload. |
| 6. | Centrifugal switch at fault. | 6. | Adjust/replace centrifugal switch if available. |
| 7. | Motor at fault. | 7. | Test, repair, or replace motor. |
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Miter bar loose or binds in | 1. Miter slot dirty or gummed up. | 1. | Carefully clean miter slot. | |
miter slot. |
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Workpiece angle incorrect | 1. | Miter gauge or table angle not | 1. | Properly adjust the miter gauge and (see |
or out of square. |
| adjusted correctly. |
| Page 24). |
| 2. | Table tilt is not calibrated cor- | 2. | Properly calibrate the table tilt (see Page 24). |
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| rectly. |
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SERVICE
