Troubleshooting
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| SYMPTOM |
| POSSIBLE CAUSE | HOW TO REMEDY |
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| Motor will not start; fuses or | 1. | Low voltage. | Check power line for proper voltage. |
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| circuit breakers blow. | 2. | Open circuit in motor or loose or | Inspect all lead connections on motor for loose, shorted, or |
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| shorted connections. | open connections and replace or repair. |
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| 3. | Short circuit in motor or loose | Inspect all connections on motor for loose or shorted |
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| connections. | terminals or worn insulation. |
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| 4. | Incorrect fuses or circuit breakers. | Install correct fuses or circuit breakers. |
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| 5. | Faulty start capacitor. | Replace the start capacitor and do not to overload motor. |
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| 6. | Faulty motor. | Replace motor. |
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| Motor overheats. | 1. | Motor overloaded. | Reduce load on motor. |
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| 2. | Air circulation through the motor | Clean out motor to provide normal air circulation. |
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| restricted. |
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| Motor stalls (resulting in | 1. | Short circuit in motor or loose | Inspect connections on motor for loose or shorted terminals |
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| blown fuses or tripped |
| connections. | or worn insulation. |
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| circuit). | 2. | Low voltage. | Correct the low voltage conditions. |
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| 3. | Incorrect fuses or circuit breakers | Install correct fuses or circuit breakers. |
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| in power line. |
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| 4. | Motor overloaded. | Reduce load on motor. |
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| 5. | Faulty run capacitor. | Replace the run capacitor. |
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| Machine slows when | 1. | Feed rate too high. | Feed workpiece slower. |
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| operating. | 2. | Depth of cut too great. | Reduce depth of cut. |
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| Loud, repetitious noise | 1. | Pulley set screws or keys are | Inspect keys and set screws. Replace or tighten if |
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| coming from machine |
| missing or loose. | necessary. |
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| 2. | Motor fan is hitting the cover. | Tighten fan. |
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| 3. | Replace | |
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| Machine is loud, overheats or | 1. | Excessive depth of cut. | Decrease depth of cut. |
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| bogs down in the cut. | 2. | Dull sanding belt. | Replace sanding belt. |
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| Edges of wood are rounded. |
| Excessive depth of cut. | Reduce depth of cut. |
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| Uneven thickness from left to | 1. | Feed table not parallel to sanding | Adjust the table. |
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| right of board. |
| roller. |
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| 2. | Feed belt is worn. | Replace feed belt. |
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MAINTENANCE |
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| Workpiece slips on feed belt. | 1. | Pressure rollers set too high. | Lower pressure rollers. | |
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| 2. | Dirty feed belt. | Clean feed belt. |
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| 3. | Feed belt is worn. | Replace feed belt. |
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| Straight strip of notches on |
| Pressure rollers are dirty or | Clean or repair pressure rollers. |
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| workpiece. |
| damaged. |
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| Snake shaped marks on |
| Sanding belt damaged or dirty. | Clean or replace sanding belt. |
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| workpiece. |
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