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Model W1866 (For Machines Mfd. Since 11/18)
The following troubleshooting tables cover common problems that may occur with this machine. If you
need replacement parts or additional troubleshooting help, contact our Technical Support.
Note: Before contacting Tech Support, find the machine serial number and manufacture date, and if
available, your original purchase receipt. This information is required to properly assist you.
Motor.and.Electrical
PROBLEM
Machine does
1. Emergency stop button depressed/at fault.
not start, or
power-supply
2. Incorrect power supply voltage or circuit
fuse/breaker
size.
3. Power supply circuit breaker tripped or fuse
trips immediately
after startup.
blown.
4. Motor wires connected incorrectly.
5. Wiring open/has high resistance.
6. Spindle direction switch at fault.
7. RESET button at fault.
8. Variable-speed potentiometer at fault.
9. Inverter/control box at fault.
10. Motor at fault.
Machine stalls or
1. Machine undersized for task.
is underpowered.
2. Workpiece material not suitable for machine.
3. Feed rate/cutting speed too fast.
4. Belt slipping.
5. Pulley slipping on shaft.
6. Motor overheated.
7. Motor speed rheostat at fault.
8. Motor wired incorrectly.
9. Plug/receptacle at fault.
10. Motor at fault.
Machine has
1. Motor or component loose.
vibration or noisy
operation.
2. Machine incorrectly mounted or sits unevenly
on floor.
3. Belt worn, loose, or slapping cover.
4. Pulley loose or misaligned.
5. Motor fan rubbing on fan cover.
6. Motor mount loose/broken.
7. Motor bearings at fault.
8. Workpiece/faceplate/accessory chuck at
fault.
Spindle speed
1. Shorted/disconnected wiring/plugs.
tachometer
doesn't give
2. Variable-speed potentiometer at fault.
reading; reading
3. Spindle speed sensor at fault.
incorrect.
4. Circuit board at fault.
Troubleshooting
POSSIBLE.CAUSE
-45-
CORRECTIVE.ACTION
1. Twist button clockwise to reset. Replace if at
fault.
2. Ensure correct power supply voltage and circuit
size.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
4. Correct motor wiring connections.
5. Check/fix broken, disconnected, or corroded
wires.
6. Test/replace switch.
7. Test/replace.
8. Test/replace.
9. Inspect inverter/control box; replace if at fault.
10. Test/repair/replace.
1. Use sharp chisels; reduce feed rate/depth of cut.
2. Only cut wood/ensure moisture is below 20%.
3. Decrease feed rate/cutting speed (Page 32).
4. Tension/replace belt; ensure pulleys are aligned
(Page 43); belt is clean and not damaged.
5. Tighten/replace loose pulley/shaft.
6. Clean motor/let cool, and reduce workload.
7. Test and replace if at fault.
8. Wire motor correctly.
9. Test for good contacts/correct wiring.
10. Test/repair/replace.
1. Replace damaged or missing bolts/nuts, or tighten
if loose.
2. Tighten/replace anchor studs in floor; relocate/
shim machine; adjust feet.
3. Inspect/replace belt. Ensure pulleys are aligned.
4. Secure pulley on shaft or realign (Page 43).
5. Fix/replace fan cover; replace loose/damaged fan.
6. Tighten/replace.
7. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
8. Center workpiece in chuck/faceplate; reduce RPM;
replace defective chuck.
1. Inspect wiring connections on circuit boards, sen-
sors, and plugs. Replace/repair as necessary.
2. Test/replace if at fault.
3. Test/replace if at fault.
4. Inspect/replace if at fault.
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