Troubleshooting - Shop fox W1872 Owner's Manual

Model W1872 (For Machines Mfd. Since 04/19)
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
Machine does not 1. Variable-speed potentiometer at fault.
start, or power
2. Switch disabling key removed.
supply fuse/breaker
3. Power supply circuit breaker tripped or
trips immediately
fuse blown.
after startup.
4. Incorrect power supply voltage or circuit
size.
5. Circuit board at fault.
6. Motor at fault.
Machine stalls or is 1. Blown fuse.
underpowered.
2. Incorrect workpiece material.
3. Feed rate/cutting speed too fast.
4 Machine undersized for task.
5. Motor brushes at fault.
6. Motor has overheated.
Machine has vibra- 1. Motor or component loose.
tion or noisy
operation.
2. Blade at fault.
3. Incorrectly mounted to workbench.
4. Motor mount loose/broken.
Blade will not stay 1. Blade not tensioned correctly.
on layout line.
2. Too much pressure applied to workpiece.
3. Blade holders not aligned correctly.
Excessive blade 1. Blade not tensioned correctly.
breakage.
2. Not using relief cuts when cutting tight
curves; twisting blade.
3. Wrong blade for operation.
4. Too much pressure on blade.
5. Incorrect blade for cutting task.

Troubleshooting

POSSIBLE CAUSE
-33-
CORRECTIVE ACTION
1. Test/repair if at fault.
2. Install switch disabling key.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
4. Ensure correct power supply voltage and circuit
size.
5. Inspect/replace if at fault.
6. Test/repair/replace.
1. Replace fuse/ensure no shorts.
2. Inspect/replace if wrong material.
3. Decrease feed rate/cutting speed.
4. Use correct blade/reduce feed rate or depth of cut.
5. Remove/replace brushes (refer to Page.30).
6. Let motor cool; reduce workload.
1. Replace damaged or missing bolts/nuts or tighten if
loose.
2. Replace warped/bent blade.
3. Tighten mounting hardware (refer to Page.14).
4. Tighten/replace.
1. Properly tension blade (refer to Page.22).
2. Reduce feed rate and pressure on workpiece.
3. Re-adjust blade holders so they are aligned in a
straight line with saw.
1. Properly tension blade (refer to Page.22).
2. Use more relief cuts for tight turns; reduce feed
rate; do not twist blade—allow blade to do the
work.
3. Refer to the Blade.Selection.Chart on Page.24 and
use correct blade for operation.
4. Reduce pressure on workpiece as it passes through
blade.
5. Select correct blade for task.