
-56-
Model G0841 (Mfd. Since 06/18)
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
Motor & Electrical
Symptom
Possible Cause
Possible Solution
Control panel
will not startup.
1. E-Stop Button(s) engaged or at fault.
2. Power supply turned OFF at source.
3. Power supply circuit breaker tripped or fuse
blown.
4. Incorrect power supply voltage or circuit size.
1. Rotate E-Stop Button(s) to reset. Replace if
necessary.
2. Turn power supply ON.
3. Reset circuit breaker on machine or at power supply
source; replace fuse.
4. Contact certified electrician for repair.
Elevation
system will not
raise/lower
headstock.
1. Elevation limit switch(es) triggered or at fault.
2. Height adjustment switch(es) at fault.
3. Magnetic contactor(s) at fault.
4. Headstock not square to table.
5. Motor/gearbox at fault.
1. Adjust limit switch(es); test/repair/replace.
2. Test/repair/replace.
3. Test/repair/replace contactors inside electrical panel;
contact certified electrician for repair.
4. Square headstock (
Page 68).
5. Test/repair/replace.
Elevation
system
raises/lowers
headstock in
reverse.
1. Incoming power supply out-of-phase.
1. Switch any two of three incoming power supply wires
at terminal block inside electrical panel (
Page 28).
Elevation
system will not
startup.
1. Wiring open/has high resistance.
2. Component in motor(s) power circuit at fault.
3. Magnetic contactor(s) at fault.
4. Motor(s) at fault.
1. Check/fix broken, disonnected, or corroded wires.
2. Contact certified electrician for repair.
3. Test/repair/replace contactors inside electrical panel;
contact certified electrician for repair.
4. Test/repair/replace.
Upper and/
or lower
cutterhead will
not startup.
1. Safety interlock switch(es) triggered at fault.
2. Wiring open/has high resistance.
3. Cutterhead switch(es) at fault.
4. Component in motor(s) power circuit at fault.
5. Magnetic contactor(s) at fault.
6. Motor(s) at fault.
1. Adjust limit switch(es); test/repair/replace.
2. Check/fix broken, disonnected, or corroded wires.
3. Test/repair/replace.
4. Contact certified electrician for repair.
5. Test/repair/replace contactors inside electrical panel;
contact certified electrician for repair.
6. Test/repair/replace.
Feed system
will not startup.
1. Start delay sequence not completed.
2. Wiring open/has high resistance.
3. Component in motor(s) power circuit at fault.
4. Motor at fault.
1. Upper and lower cutterheads must be ON and reach
full speed before feed system will startup.
2. Check/fix broken, disonnected, or corroded wires.
3. Contact certified electrician for repair.
4. Test/repair/replace.
Power-supply
fuse/breaker
immediately
trips after
startup.
1. Machine has short in power supply circuit.
2. Power supply circuit undersized for machine
or fuse/breaker at fault.
1. Contact certified electrician for repair.
2. Ensure proper power supply; replace fuse/breaker;
contact certified electrician for repair.
Содержание G0841
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