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Troubleshooting Guide
Motor & Machine Operation
Symptom | Possible Cause | Possible Solution | ||
Motor will not start. | 1. | Thermal overload relay inside mag- | 1. | Press the RESET button on the thermal |
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| netic switch has tripped. |
| overload relay; investigate reason it tripped |
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| to prevent future problems. |
| 2. | Low voltage. | 2. | Check power line for proper voltage. |
| 3. | Open circuit in motor or loose connec- | 3. | Inspect all lead connections on motor for |
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| tions. |
| loose or open connections. |
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Fuses or circuit breakers blow. | 1. | Short circuit in line cord or plug. | 1. | Repair or replace cord or plug for damaged |
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| insulation and shorted wires. |
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Motor fails to develop full power | 1. | Power line overloaded with lights, | 1. | Reduce load on power line. |
(output of motor decreases rapidly |
| appliances, and other motors. |
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with decrease in voltage at motor | 2. | Undersized wires or circuits too long. | 2. | Increase wire sizes or reduce length of the |
terminals). |
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| circuit. |
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| 3. | Motor run capacitor at fault. | 3. | Replace run capacitor. |
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Motor overheats. | 1. | Motor overloaded during operation. | 1. | Reduce cutting load; take lighter cuts. |
| 2. | Air circulation through the motor | 2. | Clean out motor to provide normal air circu- |
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| restricted. |
| lation. |
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Motor stalls or shuts off during a | 1. | Motor overloaded during operation. | 1. | Reduce cutting load; take lighter cuts. |
cut. | 2. | Thermal overload protection tripped | 2. | Press the RESET button on the thermal |
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| in magnetic switch. |
| overload relay, located inside the magnetic |
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| switch. |
| 3. | Short circuit in motor or loose connec- | 3. | Repair or replace connections on motor for |
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| tions. |
| loose or shorted terminals or worn insula- |
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| tion. |
| 4. | Circuit breaker tripped. | 4. | Install correct circuit breaker; reduce # of |
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| machines running on that circuit. |
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Cutterhead slows or squeals when | 1. | 1. | Tighten | |
cutting, especially on | 2. | 2. | Replace | |
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Loud repetitious noise coming from | 1. | Pulley set screws or keys are missing | 1. | Inspect keys and set screws. Replace or |
machine. |
| or loose. |
| tighten if necessary. |
| 2. | Motor fan is hitting the cover. | 2. | Adjust fan cover mounting position, tighten |
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| fan, or shim fan cover. |
| 3. | 3. | Replace | |
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Vibration when running or cutting. | 1. | Loose or damaged blade. | 1. | Tighten or replace blade. |
| 2. | Damaged | 2. | Replace |
| 3. | Worn cutterhead bearings. | 3. | Check/replace cutterhead bearings. |
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Table
Symptom | Possible Cause | Possible Solution | ||
Table is hard to adjust. | 1. | Table lock is engaged or partially | 1. | Completely loosen the table lock. |
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| engaged. |
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| 2. | Drive chain is dirty. | 2. | Clean and lubricate the drive chain (see |
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| Page 22 and Page 25). |
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G1021X 15" Extreme Series Planer |