-43-
Model W1852 (For Machines Mfd. Since 11/17)
SE
RV
IC
E
Troubleshooting
Motor.and.Electrical
PROBLEM
POSSIBLE.CAUSE
CORRECTIVE.ACTION
Machine does
not start or
immediately
shuts down after
startup.
1. Emergency stop button depressed/at fault.
2. Incorrect power supply voltage or circuit size.
3. Power supply circuit breaker tripped or fuse
blown.
4. Motor wires connected incorrectly.
5. Wiring open/has high resistance.
6. ON/OFF switch at fault.
7. Potentiometer/variable-speed dial controller
at fault.
8. Inverter/control box at fault.
9. Motor at fault.
1. Press side tab in and lift switch cover. Press ON but-
ton to reset; replace if not working properly.
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. Replace switch.
7. Test/replace.
8. Inspect inverter/controller box; replace.
9. Test/repair/replace.
Machine stalls or
is underpowered.
1. Machine undersized for task.
2. Workpiece material not suitable for machine.
3. Feed rate/cutting speed too fast.
4. Belt slipping.
5. Oil/grease on belt(s).
6. Motor wired incorrectly.
7. Plug/receptacle at fault.
8. Motor overheated.
9. Pulley slipping on shaft.
1. Use sharp chisels; reduce feed rate/depth of cut.
2. Ensure workpiece moisture is below 20%.
3. Decrease feed rate/cutting speed.
4. Tension/replace belt; ensure pulleys are aligned.
5. Clean belt.
6. Wire motor correctly.
7. Test for good contacts/correct wiring.
8. Clean motor, let cool, and reduce workload.
9. Replace loose pulley/shaft; tighten pulley set
screws.
Machine has
vibration or noisy
operation.
1. Motor or component loose.
2. Belt worn or loose.
3. Motor fan rubbing on fan cover.
4. Motor mount loose/broken.
5. Pulley loose.
6. Machine incorrectly mounted or sits unevenly
on floor.
7. Motor bearings at fault.
8. Belt slapping cover.
9. Workpiece/faceplate at fault.
1. Inspect/replace damaged bolts/nuts, and retighten
with thread-locking fluid.
2. Inspect/replace belt.
3. Fix/replace fan cover; replace loose/damaged fan.
4. Tighten/replace.
5. Re-align/replace shaft, pulley set screw, and key.
6. Tighten/replace anchor studs in floor; relocate/
shim machine; adjust feet.
7. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
8. Replace/realign belt.
9. Center workpiece in chuck/faceplate; reduce RPM.
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.
Summary of Contents for W1852
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