Model G0568/G0569 (Mfd. Since 10/11)
-53-
Symptom
Possible Cause
Possible Solution
Machine does not
start, or power
supply breaker
immediately trips
after startup.
1. Emergency stop button engaged/at fault.
2. Switch disabling key removed.
3. Door safety switch disengaged/at fault.
4. Thermal overload relay in mag switch
tripped.
5. Break or short in wiring; or loose or corroded
connections.
6. Plug or receptacle is corroded or miswired.
7. Power supply switched off/has incorrect
voltage.
8. Motor connection wired incorrectly.
9. Contactor has poor contacts or is at fault.
10. Blown fuse/tripped circuit breaker.
11. Motor ON/OFF switch at fault.
12. Start capacitor has blown.
13. Centrifugal switch at fault.
14. Motor at fault.
1. Rotate button to reset/replace button.
2. Reinstall switch disabling key.
3. Close door or adjust/replace switch.
4. Allow relay/motor to cool. If necessary, press reset
button inside switch.
5. Trace/replace broken or corroded wires; fix loose
connections.
6. Correct the wiring.
7. Switch power supply on/verify voltage.
8. Wire motor correctly. Refer to inside junction box
cover or
Page 65 (G0568) or Page 66 (G0569).
9. Test all legs for power, test field coil, and fix contacts
or replace if at fault.
10. Replace/reset fuse or circuit breaker. Repair possible
short or circuit overload.
11. Replace switch.
12. Test/replace if at fault.
13. Adjust/replace centrifugal switch.
14. Test for shorted windings or bad bearings; repair or
replace.
Main motor chatters
during startup or
during operation.
1. Phase converter (if used) wild wire connected
to wrong terminal(G0569).
2. Power supply has incorrect voltage on one
or more legs.
1. Connect wild wire to the machine power supply
terminal that is not part of the switch coil circuit
(G0569).
2. Contact electrician to check incoming voltage
(G0568).
Machine operates
in reverse.
1. Power connections wired out of phase
(G0569).
1. Swap two power incoming power leads at the motor
(G0569).
Review the troubleshooting 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 7: SERVICE
Troubleshooting
Summary of Contents for G0568
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