GRAPHTEC CUTTING PRO FC2250-120ES, Service Manual

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FC2250-UM-251-9370 9-14
9. TROUBLESHOOTING
9.3 Error Messages
Error Display Cause Verification item Solution
OVER CURRENT
POWER OFF THEN ON
POSITION ALARM
POWER OFF THEN ON
• The beeper sounds
• The PROMPT lamp flickers
Cutting conditions
do not suit the
cutting medium. Cutting conditions Lower the cutting SPEED
and/or the cutting FORCE.
Movement of the
pen carriage is
being obstructed. Is there anything blocking
the X or Y slider?
Turn off the plotter, remove
the obstacle, then turn the
plotter back on.
Excessive load is
causing the current
to the motor to
exceed the rated
value. (1) Have the Y bar
retaining brackets
been removed?
No .....Remove the Y bar
retaining brackets.
Yes ....Verify item (2)
(2) Does the X or Y slider
move smoothly?
No ..... Check and adjust the
X or Y belt tension
and X or Y motor belt
tension.
Yes ....Verify item (3).
(3) Is the X or Y flexible
cable securely
connected?
No .....Connect it securely.
Yes ....Replace the X or
Y flexible cable if
defective.
Home sensor
or sensor plate
adjustment.
(4) Is the X or Y home
sensor plate position
correct?
No ..... Check and adjust the
X or Y home sensor
plate position.
Yes ....Verify item (5).
(5) Is the X or Y home
sensor position
correct?
No ..... Check and adjust
the X-home sensor
position.
Yes ....Replace the X-home
sensor if defective.
Motor (6) Does the X-motor
turn smoothly?
No .....Replace the X-motor if
defective.
Yes ....Replace the main
board if defective.
SPEED ALARM
POWER OFF THEN ON
• The beeper sounds
• The PROMPT lamp flickers
The internal speed
control is faulty. (1) Is the main servo
axes gain adjustment
correct?
No ..... Adjust the main servo
axes gain.
Yes ....Verify item (2)
(2) Does the X or Y slider
move smoothly?
No ..... Check and adjust the
X or Y belt tension
and X or Y motor belt
tension.
Yes ....Verify item (3).
(3) Is the X or Y flexible
cable securely
connected?
No .....Connect it securely.
Yes ....Replace the X or
Y flexible cable if
defective.