Troubleshooting
SECTION 7: SERVICE
Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570)
Troubleshooting
Motor & Electrical
Symptom | Possible Cause | Possible Solution | ||
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Machine does not | 1. | Plug/receptacle is at fault or | wired 1. | Test for good contacts; correct the wiring. |
start or a breaker |
| incorrectly. |
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trips. | 2. | Motor connection wired incorrectly. | 2. | Correct motor wiring connections. |
3.Wall fuse/circuit breaker is blown/tripped. 3. Ensure circuit size is suitable for this machine; replace weak breaker.
| 4. | Power supply switched OFF or is at fault. | 4. | Ensure power supply is switch on; ensure power |
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| supply has the correct voltage. |
| 5. | Wiring is open/has high resistance. | 5. | Check for broken wires or disconnected/corroded |
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| connections, and repair/replace as necessary. |
| 6. | Main power switch is at fault. | 6. | Replace faulty FWD/OFF/REV switch. |
| 7. | Motor is at fault. | 7. | Test/repair/replace. |
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Machine stalls or is | 1. | Feed rate/cutting speed too fast for task. | 1. | Decrease feed rate/cutting speed. |
overloaded. | 2. | Workpiece alignment is poor. | 2. | Eliminate workpiece binding; use jig or clamps and |
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| position table properly for workpiece alignment |
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| control. |
| 3. | Wrong cutter type. | 3. | Use cutter with correct properties for your type of |
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| machining. |
| 4. | Motor connection is wired incorrectly. | 4. | Correct motor wiring connections. |
| 5. | 5. | Replace bad | |
| 6. | Plug/receptacle is at fault. | 6. | Test for good contacts; correct the wiring. |
| 7. | Motor bearings are at fault. | 7. | Test by rotating shaft; rotational grinding/loose shaft |
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| requires bearing replacement. |
| 8. | Machine is undersized for the task. | 8. | Use smaller sharp cutters/drill bits; reduce the feed |
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| rate; reduce the spindle RPM; use cutting fluid if |
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| possible. |
| 9. | Motor has overheated. | 9. | Clean off motor, let cool, and reduce workload. |
| 10. | Spindle rotation switch at fault. | 10. | Test/repair/replace switch. |
| 11. | Motor is at fault. | 11. | Test/repair/replace motor. |
G3358 Milling/Drilling Machine |
