
-38-
Model W1704 (For Machines Mfd. Since 01/20)
SE
RV
IC
E
Troubleshooting
Motor.and.Electrical
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.
PROBLEM
POSSIBLE.CAUSE
CORRECTIVE.ACTION
Machine does
not start, or
power-supply
fuse/breaker
trips immediately
after startup.
1. Switch disabling key removed.
2. Incorrect power supply voltage or circuit
size.
3. Machine fuse blown.
4. Power supply circuit breaker tripped or fuse
blown.
5. Wiring broken, disconnected, or corroded.
6. Spindle speed dial at fault.
7. ON/OFF switch at fault.
8.
Motor brushes worn or at fault.
9. Machine circuit breaker tripped/at fault.
10. Circuit board at fault.
11. Motor at fault.
1. Install switch disabling key.
2. Ensure correct power supply voltage and circuit
size.
3. Replace fuse.
4. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
5. Check/fix broken, disconnected, or corroded
wires.
6. Test/replace if at fault.
7. Inspect/replace if at fault.
8.
Remove/replace brushes (
Page 37).
9. Reset circuit breaker; inspect/replace if at fault.
10. Inspect/replace if at fault.
11. 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. Pulley slipping on shaft.
6. Spindle speed dial at fault.
7.
Motor brushes worn or at fault.
8. Circuit board at fault.
9. Motor at fault.
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.
4. Tension/replace belt (
Page 36); ensure pulleys are
aligned (
Page 35); ensure belt is clean and not
damaged.
5. Tighten/replace loose pulley/shaft.
6. Test/replace if at fault.
7.
Remove/replace brushes (
Page 37).
8. Inspect/replace if at fault.
9. Test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component loose.
2. Machine sits unevenly on workbench.
3. Belt worn, loose, or misaligned.
4. Pulley loose.
5. Workpiece/faceplate at fault.
6. Motor mount loose/broken.
7. Motor bearings at fault.
1. Inspect/replace damaged bolts/nuts, and retight-
en with thread-locking fluid.
2. Adjust rubber feet.
3. Inspect/replace belt (
Page 36). Re-align pulleys if
necessary (
Page 35).
4. Re-align/replace shaft, pulley, set screw, and key.
5. Center workpiece in chuck/faceplate; reduce RPM;
replace defective chuck.
6. Tighten/replace.
7. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
Содержание SHOP FOX W1704
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