Section 7: Service; Troubleshooting - Grizzly G0493 Owner's Manual

section 7: service

review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. if you need replacement parts or you are unsure of your repair skills, then feel free to call our technical
support at (570) 546-9663.
motor & electrical
symptom possible Cause
Machine does not 1. switch disabling key is removed.
start or a breaker
2. emergency stop push-button is engaged/
trips.
faulty.
3. power supply switched oFF or is at fault.
4. Blade guard limit switch engaged/at fault.
5. electrical box door is open/door safety
switch is at fault.
6. Motor connection wired incorrectly.
7. thermal overload relay has tripped.
8. Wall fuse/circuit breaker is blown/tripped.
9. Contactor not getting energized/has burnt
contacts.
10. Wiring is open/has high resistance.
11. Motor on button or on/oFF switch is at
fault.
12. start delay module is at fault.
13. Motor is at fault.
Machine stalls or is 1. Feed rate/cutting speed too fast for task.
underpowered.
2. Workpiece material is not suitable for this
machine.
3. Belt(s) slipping.
4. Motor connection is wired incorrectly.
5. Motor bearings are at fault.
6. start delay module is at fault.
7. Motor is at fault.
g0493 14" sliding table saw

troubleshooting

possible solution
1. install switch disabling key.
2. rotate clockwise slightly until it pops out/replace it.
3. ensure power supply is switch on; ensure power
supply has the correct voltage.
4. Move blade guard to the working position; replace
faulty limit switch.
5. Close door/replace faulty safety switch.
6. Correct motor wiring connections.
7. turn cut-out dial to increase working amps and push
the reset pin. replace if tripped multiple times (weak
relay).
8. ensure circuit size is suitable for this machine;
replace weak breaker.
9. test for power on all legs and contactor operation.
replace unit if faulty.
10. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
11. replace faulty on button or on/oFF switch.
12. adjust to correct delay; replace module.
13. test/repair/replace.
1. decrease feed rate/cutting speed.
2. only cut wood products; make sure moisture content
is below 20% and there are no foreign materials in
the workpiece.
3. replace bad belt(s) as a matched set, align pulleys,
and re-tension.
4. Correct motor wiring connections.
5. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
6. adjust to correct delay; replace module.
7. test/repair/replace.
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