Troubleshooting
Use this troubleshooting chart to correct potential W1678 Double Drum Sander problems.
SYMPTOM | POSSIBLE REASON |
| HOW TO REMEDY |
The sanding | The main power emergency stop button is | Twist and pull the main power emergency stop | |
drums will | pushed in, or it is faulty. | button, or test and replace the switch. | |
not start. |
| NEVER attempt to repair safety switches, ONLY | |
|
| replace them with new ones. | |
| The power supply is insufficient or the circuit | 1. | Repair power supply. |
| breaker or fuse is tripped. | 2. | Close circuit breaker / replace the fuse. |
|
| 3. | Reduce sanding load to 25 amps max. |
| A wire or plug is loose or broken. | 1. | Replace all bad wiring and plugs. |
|
| 2. | Tighten all loose connections. |
| The amperage dial is set too low. | Unplug the sander, open the main power | |
|
| panel, and adjust the amperage dial on the | |
|
| main power magnetic switch to 25 amps. | |
| The thermal protection circuit breaker is | 1. | Unplug sander, open main power panel, |
| tripped. |
| and push the reset button. |
|
| 2. | Reduce sanding load to 25 amps max. |
| The main power magnetic switch is faulty. | Replace the main power magnetic switch. | |
| Either the ON or OFF switch is shorted open. | Replace the | |
| The | Replace or repair the | |
|
|
| |
The feed | The main power emergency stop button is | Twist and pull the main power emergency stop | |
conveyor | pulled out, or it is faulty. | button, or test and replace the switch. | |
will not |
| NEVER attempt to repair safety switches, ONLY | |
start, or it |
| replace them with new. | |
operates | The power supply is insufficient or the circuit | 1. | Repair power supply. |
incorrectly. | |||
| breaker or fuse is tripped. | 2. | Close circuit breaker / replace the fuse. |
|
| 3. | Reduce sanding load to 25 amps max. |
| A wire or plug is loose or broken. | 1. | Replace all bad wiring and plugs. |
|
| 2. | Tighten all loose connections. |
| The conveyor feed speed switch is faulty. | Replace the conveyor feed speed switch. | |
| Either the ON or OFF switch is shorted open. | Replace the | |
| The feed motor magnetic switch is faulty. | Replace the feed motor magnetic switch. | |
| The feed motor brushes are worn. | Replace both feed motor brushes. | |
| The conveyor feed speed circuit board is | Replace or repair the conveyor feed speed | |
| faulty. | circuit board. | |
| The feed motor is faulty. | Replace or repair the feed motor. | |
|
|
| |
The drum | The mobile base, stand, or platform is loose or | Make sure all fasteners are tight; the sander is | |
sander | unstable. | operating on a sturdy stand and flat floor. | |
wobbles or | The motor or other components are loose, | Make sure all fasteners and sander parts are | |
vibrates. | |||
| misaligned, or out of adjustment. | tight or correctly adjusted. | |
|
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(Continued Next Page)
OPERATIONS
