Grizzly G0700 - Manual (Page 62)

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Model g0700 (Mfg. since 8/09)
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.
section 8: service
troubleshooting
motor & electrical
symptom possible cause possible solution
Machine does not
start or a breaker
trips. 1. stop push-button is engaged/faulty.
2. power supply switched oFF or is at fault.
3. Motor connection wired incorrectly.
4. thermal overload relay has tripped.
5. Wall fuse/circuit breaker is blown/tripped.
6. Contactor not getting energized/has burnt
contacts.
7. Wiring is open/has high resistance.
8. Motor on button or on/oFF switch is at
fault.
9. Motor is at fault.
1. rotate clockwise slightly until it pops out/replace it.
2. ensure power supply is switched on; ensure power
supply has the correct voltage.
3. Correct motor wiring connections.
4. Wait for it to cool down, then it will reset auto-
matically. if necessary, disconnect power and reset
manually by pushing reset button inside switch.
5. ensure circuit size is suitable for this machine;
replace weak breaker.
6. test for power on all legs and contactor operation.
replace unit if faulty.
7. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
8. replace faulty on button or on/oFF switch.
9. test/repair/replace.
Machine stalls or is
underpowered. 1. Feed rate/cutting speed too fast for task.
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.
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), 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.