14.0Troubleshooting the PM1000 Cabinet Saw
Table 2
Symptom | Probable Cause | Remedy |
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Saw will not start. | No incoming power. | Check plug connection. |
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| Low voltage. | Check power line for proper voltage. | ||||||
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| Open circuit in motor or loose | Inspect all lead connections on motor for | ||||||
| connection. | loose or open connections. |
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| Cord damaged. | Replace cord. |
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Saw will not start: fuse | Short circuit in line cord or plug. | Inspect cord or plug for damaged insulation | ||||||
blows or breaker trips. |
| and shorted wires. |
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| Short circuit in motor or loose | Inspect all connections on motor for loose or | ||||||
| connections. | shorted terminals or worn insulation. | ||||||
| Incorrect fuses or circuit breakers in | Install correct fuses or circuit breakers. | ||||||
| power line. |
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| Low voltage. | Request voltage check from power company | ||||||
| and correct low voltage condition. |
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| Power line overloaded. | Correct overload condition. |
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Motor starts slowly or |
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Undersized wires in supply system. | Increase supply wire size. |
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fails to reach full speed. |
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Centrifugal switch not operating. | Replace centrifugal | switch |
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| personnel only). |
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| Motor malfunction. | Have | motor | checked | by | a | qualified | |
| inspector. Repair or replace. |
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Motor overheats. | Motor overloaded. | Reduce load on motor. |
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| Improper cooling of motor; lack of air | Clean sawdust from fan and duct areas of | ||||||
| circulation. | motor. |
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Motor stalls, resulting in | Motor overloaded. | Reduce load on motor. |
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blown fuses or tripped |
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Short circuit in motor or loose | Inspect | connections on motor | for | loose or | ||||
breaker. | ||||||||
connections. | shorted terminals or worn insulation. | |||||||
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| Low voltage. | Correct low voltage conditions. |
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| Incorrect fuses or circuit breakers in | Install correct fuses or circuit breakers. | ||||||
| power line. |
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| Excessive feed. | Reduce feed. |
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| Dull or incorrect blade. | Replace blade; use proper type of blade for | ||||||
| cut needed. |
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Motor stalls or workpiece |
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Miter slot misaligned. | Realign table to blade. |
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binds or burns. |
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Fence misaligned. | Realign fence (see | |||||||
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| Motor malfunction. | Have | motor | checked | by | a | qualified | |
| inspector. Repair or replace. |
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Machine slows or stalls | Applying too much pressure to | Feed workpiece more slowly. |
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when operating. | workpiece. |
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| Tighten belt. |
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Loud, repetitive noise | Pulley setscrews or keys are missing | Inspect keys and setscrews. Replace or | ||||||
coming from machine. | or loose. | tighten if necessary. |
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| Motor fan is hitting the cover. | Tighten fan or shim cover. |
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| Replace |
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