
Model G0820 (Mfd. Since 12/16)
-71-
Review the troubleshooting and procedures in this section if a problem develops with your machine. If
you need replacement parts or additional help with a procedure, call our Technical Support.
Note: Please
gather the serial number and manufacture date of your machine before calling.
SECTION 8: SERVICE
Troubleshooting
Motor & Electrical
Symptom
Possible Cause
Possible Solution
Machine does
not start or a
breaker trips
immediately
upon startup.
1. Spindle lever not engaged.
2. Emergency Stop button engaged/not reset.
3. Power supply switched OFF or at fault.
4. Blade guard limit switch engaged/at fault.
5. Cabinet door open/door safety switch at fault.
6. Power supply circuit breaker tripped or fuse
blown.
7. Thermal overload relay has tripped.
8. Contactor not energized/has poor contacts.
9. Wires are disconnected, damaged, or
connected incorrectly.
10. ON button or Emergency Stop button at fault.
11. Motor at fault.
1. Engage spindle lever.
2. Rotate button head to reset.
3. Ensure power supply switch is on; ensure power
supply has correct voltage.
4. Move blade guard to working position; replace faulty
limit switch.
5. Close door/replace faulty safety switch.
6. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
7. Reset; adjust trip load dial if necessary; replace.
8. Test all legs for power/replace.
9. Fix or replace damaged, disconnected, or
misconnected wires.
10. Replace faulty switch button.
11. Test/repair/replace.
Blades rotate
in opposite
direction than
they should.
1. Incoming power supply connected out-of-
phase.
1. Reverse R & T incoming power connections in junction
box (
Page 35).
Machine
stalls or is
underpowered.
1. Cutting improper workpiece material.
2. Feed rate/cutting speed too fast.
3. Workpiece crooked; fence loose or
misadjusted.
4. Belt(s) slipping. Oil/grease on belt(s).
5. Motor wired incorrectly.
6. Machine undersized for task.
7. Motor overheated.
8. Dull blades.
9. Pulley slipping on shaft.
10. Magnetic switch contactor at fault (not
energized/has poor contacts).
1. Only cut proper workpiece material (
Page 39).
2. Decrease feed rate/cutting speed.
3. Straighten or replace workpiece/adjust fence.
4. Tension/clean/replace belt(s); ensure pulleys are
aligned.
5. Wire motor correctly.
6. Use correct, sharp blade; reduce feed rate or depth of
cut.
7. Clean motor, let cool, and reduce workload.
8. Sharpen/replace blades.
9. Replace loose pulley/key/set screw.
10. Test all legs for power/replace.
Содержание G0820
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