15.0Troubleshooting the JPM-13CS
15.1Mechanical and electrical problems
Trouble
Table difficult to adjust.
Chain is jumping.
Machine will not start/restart or repeatedly trips circuit breaker or blows fuses.
Probable Cause | Remedy | |
Lack of lubrication on corner posts and | Lubricate corner posts and screws. | |
screws. |
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Inadequate tension. | Adjust chain tension. | |
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Sprockets misaligned. | Align sprockets. | |
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Sprockets are worn. | Replace sprockets. | |
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No incoming power. | Verify power connections to planer. | |
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| Verify that planer is on a circuit of | |
Building circuit breaker trips or fuse | correct size. Check amp setting on | |
blows. | motor. If circuit size is correct, there is | |
| probably a loose electrical lead. | |
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| Go through all the electrical | |
| connections on the planer including | |
| motor connections, verifying the | |
Loose electrical connections. | tightness of each. Look for any signs of | |
| electrical arcing which is a sure | |
| indicator of loose connections or circuit | |
| overload. | |
| If electric motor is suspect, you have | |
| two options: Have a qualified electrician | |
Motor failure. | test the motor for function or remove | |
the motor and take it to a qualified | ||
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| electric motor repair shop and have it | |
| tested. | |
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| Check to confirm all electrical | |
Miswiring of the unit. | connections are correct and properly | |
| tight. Make any needed corrections. | |
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| If the on/off switch is suspect, you have | |
| two options: Have a qualified electrician | |
On/off switch failure. | test the switch for function, or purchase | |
| a new on/off switch and establish if that | |
| was the problem on changeout. | |
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