39
EN
TROUBLESHOOTING
PROBLEM /
FAULT
PROBABLE CAUSE
SUGGESTED REMEDY
Machine does not
start or a circuit
breaker trips.
1. Emergency
stop
button engaged or at
fault.
2. Variable speed dial
in OFF position or at
fault.
3. Spindle
direction
switch turned to "0" or
at fault.
4. Blown fuse.
5. Incorrect
power
supply voltage.
6. Power supply circuit
breaker tripped or
fuse blown.
7. Wiring open/has high
resistance.
8. Motor brushes at
fault.
9. On/Off switch at fault.
1. Release the emergency stop button.
Press On button to reset; replace if not
working properly.
2. Turn variable speed dial past "0".
Ensure dial has correct voltage.
Replace if faulty.
3. Turn spindle direction switch to "F" or
"R". Ensure dial has correct voltage.
Replace if faulty.
4. Replace fuse/ensure no shorts.
5. Ensure correct power supply voltage.
6. Ensure circuit is sized correctly and
free of shorts. Reset circuit breaker or
replace fuse.
7. Check/fi x broken, disconnected, or
corroded wires.
8. Remove/replace brushes.
9. Replace switch.
10. Test/repair/replace.
Machine stalls or
is underpowered.
1. Feed
rate/cutting
speed too fast.
2. Wrong
workpiece
material.
3. Machine undersized
for task.
4. Motor overheated.
5. Computer board at
fault.
6. Motor speed dial at
fault.
7. Timing belt slipping.
8. Motor brushes at
fault.
9. P u l l e y / s p r o c k e t
slipping on shaft.
1. Decrease feed rate/cutting speed.
2. Use correct type/size of metal.
3. Inspect and replace if at fault.
4. Use sharp bits; reduce feed rate/depth
of cut.
5. Clean motor, let cool, and reduce
workload.
6. Test and replace if at fault.
7. Tension/replace belt; ensure pulleys
are aligned.
8. Remove/replace brushes.
9. Replace loose pulley/shaft.
10. Test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component
loose.
2. Pulley loose.
3. Motor fan rubbing on
fan cover.
4. Motor bearings at
fault.
5. Cutting
tool
chattering.
6. Workpiece or chuck
at fault.
1. Inspect/replace damaged bolts/nuts,
and retighten with thread locking fl uid.
2. Realign/replace shaft, pulley, setscrew,
and key.
3. Fix/replace fan cover; replace loose/
damaged fan.
4. Test by rotating shaft; rotational
grinding/loose shaft requires bearing
replacement.
5. Replace/sharpen cutting tool; index
tool to spindle centerline; use correct
feed rate and cutting RPM.
6. Properly secure or center workpiece in
chuck or faceplate; replace defective
chuck.
Summary of Contents for JOB LINE DIGITO ML 350
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Page 22: ...22 325 mm 760 mm 315 mm 2 1 20 Kg 3...
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Page 58: ...58 Ingombro per etichetta FAC SIMILE Ingombro per etichetta FAC SIMILE...