Grizzly G0649 - Manual (Page 31)

g0649 Welding downdraft table
-29-
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 7: SERvicE
Troubleshooting
Motor and Electrical
Symptom Possible cause Possible Solution
Machine won't start. 1. Emergency stop switch at fault.
2. problem with 3-phase power supply.
3. Wiring at fault.
4. Circuit breaker/fuse has tripped.
5. relay at fault.
6. transformer at fault.
7. Control panel pC board at fault.
8. Frequency drive is at fault.
9. Motor at fault.
1. reset or replace emergency stop switch.
2. have electrician correct power supply problem.
3. have repair for wiring problems.
4. have electrician correct for short, and reset circuit
breaker or replace fuse that has its failure lEd
illuminated.
5. inspect and test relay replace as required.
6. replace transformer.
7. replace pC board.
8. turn
ON or adjust frequency drive or troubleshoot
and replace.
9. test and replace motor as required.
Vibrating motor
function is
inconsistent or
inoperative. 1. Machine is not connected to power.
2. Capacitor is at fault.
3. Wiring at fault.
4. Circuit fuse has blown.
5. transformer at fault.
6. Control panel pC board at fault.
7. Motor at fault.
1. Connect machine to power so the digital display is
lights, then push and hold clean filter button.
2. replace the 4MFd capacitor.
3. trace down wiring path and repair for damaged
wiring or loose plugs.
4. repair for short, and replace the fuse that has its
failure lEd illuminated.
5. replace transformer.
6. replace control panel pC board.
7. test and replace motor as required.
rolling filter or
conveyor motor
is function
inconsistent or
inoperative. 1. Machine is not connected to power.
2. push button switch is at fault.
3. Capacitor is at fault.
4. Wiring at fault.
5. Circuit fuse has blown.
6. Control panel pC board at fault.
7. transformer at fault.
8. Control panel pC board at fault.
9. Motor/motor pC board at fault.
1. Connect machine to power so the digital display is
lights, then push and hold clean filter button.
2. replace the push button switch for the motor.
3. replace the 1MFd capacitor.
4. trace down wiring path and repair for damaged
wiring or loose plugs.
5. repair for short, and replace the fuse that has its
failure lEd illuminated.
6. replace transformer.
7. replace control panel pC board.
8. replace control panel pC board.
9. replace motor/motor pC board as required.
Filter warning lamp/
buzzer engages but
filter paper has not
run out. 1. infrared sensor is at fault.
2. infrared sensor is at fault. 1. replace infrared sensor.
2. replace control panel pC board.