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Model W1828 (For Machines Mfg. Since 4/11)
-25-
SERVICE
Troubleshooting
This section covers the most common problems and corrections with this type of
machine. WARNING! DO NOT make any adjustments until power is disconnected and
moving parts have come to a complete stop!
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Machine does not start. 1. Switch disabling key removed.
2. Break or short in wiring, loose con-
nections, plug or receptacle is cor-
roded or miswired.
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. Start capacitor has blown.
8. Centrifugal switch at fault.
9. 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).
6. Replace switch.
7. Test/replace if at fault.
8. Adjust/replace centrifugal switch.
9. 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. Table tilt lock handle is loose.
5. Machine incorrectly mounted to
bench.
6. Centrifugal switch out of adjust-
ment; at fault.
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 handle.
5. Level/shim base; tighten/adjust mounting hard-
ware.
6. Adjust/replace centrifugal switch.
7. Replace motor bearings or replace motor.
Machine stalls or slows
when operating.
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.
Miter bar loose or binds in
miter slot.
1. Miter slot dirty or gummed up. 1. Carefully clean miter slot.
Workpiece angle incorrect
or out of square.
1. Miter gauge or table angle not
adjusted correctly.
2. Table tilt is not calibrated cor-
rectly.
1. Properly adjust the miter gauge and (see
Page 24).
2. Properly calibrate the table tilt (see Page 24).