N(/(*(/Fg\e<e[N`[\9\ckJXe[\i
KiflYc\j_ffk`e^
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
GIF9C<D |
| GFJJ@9C<:8LJ< |
| :FII<:K@M<8:K@FE |
Machine does not start | 1. | Switch disabling key removed. | 1. | Install switch disabling key. |
or a breaker trips. | 2. | Emergency stop | 2. | Rotate button to reset/replace it. |
|
| faulty. |
|
|
| 3. | Power supply switched OFF or at fault. | 3. | Ensure power supply is on/has correct voltage. |
| 4. | Plug/receptacle at fault/wired wrong. | 4. | Test for good contacts; correct the wiring. |
| 5. | Start capacitor at fault. | 5. | Test/replace if faulty. |
| 6. | Air pressure safety switch open/at | 6. | Adjust air pressure safety switch; replace if |
|
| fault. |
| faulty. |
| 7. | Motor connection wired wrong. | 7. | Correct motor wiring connections (Page 43). |
| 8. | Thermal overload relay has tripped. | 8. | Reset; adjust trip load dial if necessary; replace. |
| 9. | Wall circuit breaker tripped. | 9. | Ensure circuit size is correct/replace weak break- |
|
|
|
| er. |
| 10. Contactor not energized/has poor con- | 10. Test all legs for power/replace if faulty. | ||
|
| tacts. |
|
|
| 11. Wiring open/has high resistance. | 11. Check/fix broken, disconnected, or corroded | ||
|
|
|
| wires. |
| 12. Motor ON button or ON/OFF switch at | 12. Replace button/switch. | ||
|
| fault. |
|
|
| 13. Motor at fault. | 13. Test/repair/replace. | ||
Machine stalls or is | 1. | Workpiece material not suitable for | 1. | Only sand wood/ensure moisture is below 20%. |
underpowered. |
| machine. |
|
|
| 2. | Depth of cut too much; feed rate to | 2. | Properly adjust depth of cut (Page 22); reduce |
|
| fast. |
| conveyor feed rate. |
| 3. | Dust collection ducting problem. | 3. | Clear blockages, seal leaks, use smooth wall duct, |
|
|
|
| eliminate bends, close other branches. |
| 4. | Run capacitor at fault. | 4. | Test/repair/replace. |
| 5. | Motor wired incorrectly. | 5. | Wire motor correctly (Page 43). |
| 6. | Plug/receptacle at fault. | 6. | Test for good contacts/correct wiring. |
| 7. | Motor bearings at fault. | 7. | Test/repair/replace. |
| 8. | Machine undersized for task. | 8. | Clean/replace sandpaper; reduce feed rate/sand- |
|
|
|
| ing depth of cut (Page 22) |
| 9. | Contactor not energized/has poor con- | 9. | Test all legs for power/replace if faulty. |
|
| tacts. |
|
|
| 10. Motor overheated. | 10. Clean motor, let cool, and reduce workload. | ||
| 11. Motor at fault. | 11. Test/repair/replace. | ||
|
|
|
|
|
Machine has vibration or | 1. | Motor or component loose. | 1. | Inspect/replace damaged bolts/nuts, and |
noisy operation. |
|
|
| en with thread locking fluid. |
| 2. | Machine incorrectly mounted. | 2. | Tighten mounting bolts; relocate/shim machine. |
| 3. | Motor fan rubbing on fan cover. | 3. | Fix/replace fan cover; replace loose/damaged |
|
|
|
| fan. |
| 4. | Motor bearings at fault. | 4. | Test by rotating shaft; rotational grinding/loose |
|
|
|
| shaft requires bearing replacement. |
| 5. | Conveyor gearbox at fault. | 5. | Rebuild gearbox for bad gear(s)/bearing(s). |
|
|
|
|
|
