Troubleshooting, Motor & electrical – Grizzly 12" Cold Cut Saw G0682 User Manual
Page 37

g0682 12" Cold Cut saw (mfg. since 12/10)
-35-
SECTiON 7: SERviCE
Troubleshooting
Motor & Electrical
symptom
possible Cause
Corrective action
machine
does
not start/indicator
light does not
come on or a
breaker trips.
1. switch cover not open.
2. plug/receptacle is at fault or wired incorrectly.
3. Wall fuse/circuit breaker is blown/tripped.
4. indicator light has failed.
5. Control box fuse/s blown.
6. power supply switched
OFF or is at fault.
7. Wiring is open/has high resistance.
8. motor oN/oFF switch is at fault.
9. motor is at fault.
1. reset switch by opening cover.
2. test for good contacts; correct the wiring.
3. ensure circuit size is suitable for this machine;
replace weak breaker.
4. replace light.
5. Check fuses in control box (illuminated fuse lamp
indicates blown fuse).
6. ensure power supply is switched
ON; ensure power
supply has the correct voltage.
7. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
8. replace faulty oN/oFF switch.
9. test/repair/replace.
machine stalls or
is overloaded.
1. Feed pressure too great for task.
2. motor connection is wired incorrectly.
3. plug/receptacle is at fault.
4. motor is at fault.
1. decrease feed pressure.
2. Correct motor wiring connections.
3. test for good contacts; correct the wiring.
4. test/repair/replace.
machine
has
vibration or noisy
operation.
1. motor or component is loose.
2. motor mount loose/broken.
3. machine is incorrectly mounted or sits
unevenly.
4 motor fan is rubbing on fan cover.
5. motor bearings are at fault.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. tighten/replace.
3. tighten/replace anchor studs in floor; relocate/shim
machine.
4. replace dented fan cover; replace loose/damaged
fan.
5. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
indicator light is
on and trigger
switch fails to
activate motor.
1. plug connecting trigger switch to control box is
unplugged.
2. trigger switch at fault.
3. motor is at fault.
1. Correctly insert plug.
2. test/repair/replace.
3. test/repair/replace.
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 at (570) 546-9663.
Note: Please gather the serial number and manufacture date of your machine before calling.