model g0719 (mfg. since 10/10)-23-

review the troubleshooting and procedures in this section to fix or adjust your machine if a problem d evel-

ops. if you need replacement parts or you are unsure of your repair skills, then feel free to call our technical

support at (570) 546-9663.

sECtiOn 7: sErviCE

troubleshooting

symptom possible Cause possible solution

motor will not start
or is slow to start.
1. switch disabling key removed.
2. Break or short in wiring, loose connections,
plug or receptacle is corroded or mis-wired.
3. power supply switched off/has incorrect
voltage.
4. Blown fuse/tripped circuit breaker at main
panel.
5. motor connection wired incorrectly.
6. motor oN/oFF switch at fault.
7. motor brake not disengaging.
8. start capacitor has blown.
9. Centrifugal switch at fault.
10. motor at fault.
1. re-install switch disabling key.
2. trace/replace broken or corroded wires, fix loose
connections, correct wiring.
3. switch power supply on/verify voltage.
4. Correct the cause of overload, then reset/replace
fuse or breaker.
5. Wire motor correctly (refer to inside junction box
cover or manual).
6. replace switch.
7. test to see if disc spins freely. if it drags, replace
motor brake and regulator.
8. test/replace if at fault.
9. Adjust/replace centrifugal switch.
10. test for shorted windings or bad bearings; repair or
replace.
machine has
excessive vibration
or noise.
1. Workpiece loose or incorrectly secured.
2. motor fan rubbing on fan cover.
3. motor mounting loose.
4. lock lever is loose.
5. Cabinet stand not level.
6. machine incorrectly mounted to cabinet.
7. motor bearings worn or damaged.
1. Use correct holding fixture and re-clamp workpiece.
2. Fix/replace fan cover; replace loose or damaged
fan.
3. tighten mounting bolts/nuts; use thread locking
fluid.
4. tighten the lock lever.
5. Adjust feet as needed.
6. level/shim base; tighten/adjust mounting hardware
or feet.
7. replace motor bearings or motor.
motor overheats. 1. motor brake not releasing. 1. test to see if sanding disc spins freely. if not,
replace motor brake and regulator.
machine stalls or
slows when operat-
ing.
1. too much pressure when feeding
workpiece
2. Workpiece is warped.
3. Workpiece is incorrect for machine.
4. motor connection wired incorrectly.
5. motor overheated.
6. Centrifugal switch at fault.
7. motor at fault.
1. reduce pressure when feeding workpiece.
2. straighten workpiece or use a different one.
3. only sand wood and ensure moisture is below
20%.
4. review wiring diagram on motor cover; correct wire
connections.
5. let cool, clean motor, and reduce workload.
6. Adjust/replace centrifugal switch if available.
7. test, repair, or replace motor.
motor takes longer
than 7 seconds to
stop sanding disc.
1. motor brake components at fault. 1. replace motor brake components. Call tech
support if you need assistance.
miter bar binds in
miter slot.
1. miter slot dirty or gummed up. 1. Carefully clean miter slot.
Workpiece angle
incorrect or out of
square.
1. pointer or scale not calibrated correctly.
miter gauge or table not correctly aligned.
1. Adjust pointer or scale to reflect real path of cut.