SECTION 7: SERVICE
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Troubleshooting
Motor & Electrical
Symptom | Possible Cause | Possible Solution | |||
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Machine | does not | 1. | Plug or receptacle is at fault or wired | 1. | Test power plug and receptacle for good contact and |
start or | a breaker |
| incorrectly. |
| correct wiring. |
trips. |
| 2. | Start capacitor is faulty. | 2. | Test and replace capacitor as required (see photo, |
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| Page 44). |
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| 3. | Motor connection is wired incorrectly. | 3. | Correct motor wiring (see Page 45). |
4.Power supply is faulty, or is switched OFF. 4. Make sure all hot lines and grounds are operational and have correct voltage on all legs.
| 5. | Centrifugal Switch is at fault. | 5. | Adjust or replace the centrifugal switch. |
| 6. | Motor ON button or ON/OFF switch is | 6. | Replace faulty ON button or ON/OFF switch (see |
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| faulty. |
| photo, Page 44). |
| 7. | Motor is at fault. | 7. | Test, repair or replace motor. |
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Machine has | 1. | Motor or component is loose. | 1. | Inspect, replace for stripped or damaged bolts/nuts, |
vibration or noisy |
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| and |
operation. | 2. | Motor fan is rubbing on fan cover. | 2. | Replace dented fan cover, and replace loose or |
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| damaged fan. |
| 3. | 3. | Inspect belt(s), replace as matched sets, and | |
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| 4. | Pulley is loose. | 4. | Remove pulley, replace shaft, pulley, setscrew, and |
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| key as required, and realign. |
| 5. | Motor bearings are at fault. | 5. | Check bearings, replace motor or bearings as |
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| required. |
| 6. | Centrifugal switch. | 6. | Normal snap/click sound on RPM wind down. No |
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| problem exists. |
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Motor overheats. | 1. | Motor overloaded. | 1. | Reduce load on motor. |
| 2. | Air circulation through the motor restricted. | 2. | Clean off motor to provide normal air circulation. |
Model G0459/G0459P (Mfg. 7/11+) |
