Troubleshooting
| PROBLEM | C | A |
| AUSE | CTION | |
| Drive belts slip. | Insufficient tension. | Tension drive belt. |
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| Worn belts. | (Squeaking or squealing sound) |
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| Replace belts. | |
| Squealing, growling or grinding | Damaged and/or worn bearing. | Remove drive belts, rotate arbor |
| noise coming from machine. |
| motor, fan, shafts and idler pulley to |
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| locate dragging or rough bearing. |
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| Contact an authorized American Sanders |
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| Technology dealer. |
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| Dust | Dust bag is over 1/3 full. | Empty contents of bag. |
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| Dust bag is dirty. | Shake debris from bag and wash. |
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| Dust chute is obstructed. | Remove fan cover and clear throat. |
| Motor will not start. | Defective motor starter. | Contact an authorized American Sanders |
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| Defective start capacitor. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Defective electronic start switch. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Low voltage from poor connection. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Defective motor. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| No power. | Technology dealer. |
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| Check power supply and connections. | |
| Motor runs sluggishly. | Low voltage from excessive footage, | Locate power source nearer to work site. |
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| undersized extension cord, or poor | Decrease sanding pressure. |
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| connection. |
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| Defective run capacitor. | Contact an authorized American Sanders |
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| Technology dealer. |
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| Defective motor. | Contact an authorized American Sanders |
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| Technology dealer. |
| Motor starter trips/repeatedly | Excessive load. | Contact an authorized American Sanders |
| trips. | Defective electronic start switch. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Defective motor starter. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Low voltage from poor connection. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Defective motor | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Defective capacitor. | Technology dealer. |
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| Contact an authorized American Sanders | |
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| Technology dealer. |
| Uneven cut. | Leveling out of adjustment. | Readjust leveling. |
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| Burning or glazing. | Dull abrasive. | Replace abrasive. |
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| Excessive sanding pressure. | Decrease sanding pressure setting. |
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| Too fine of an abrasive. | Use coarser abrasive. |
| Slow cutting. | Dull abrasive. | Replace abrasive. |
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| Too fine of an abrasive. | Use a coarser abrasive. |
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| Insufficient sanding pressure. | Increase sanding pressure setting. |
| Waves on sanded surface. | Debris on wheel. | Remove and clean wheels. |
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| Flat spot on tire(s). | Replace tires. |
| Chatter marks on sanded | Drum out of round. | Contact an authorized American Sanders |
| Surface (close evenly spaced) | Drum vibration. | Technology dealer or replace the drum. |
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| Change shim combination. Remove debris | |
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| from surface or ends of drum. |
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AMERICAN SANDERS TECHNOLOGY
Page 17
