GRAPHTEC FC7000-130 - 9 Troubleshooting; The Plotter Is Turned on but Doesnt Operate

FC7000-UM-251-9370 9-1
9. TROUBLESHOOTING
9. TROUBLESHOOTING
9.1 The Plotter is Turned On But Doesn’t Operate
Symptom Verification item Solution
The control panel’s LED
lamp does not light or
the LCD does not display
anything.
(1) Is the plotter being supplied with
power?
No .....Check that the power cord is
securely connected to the plotter’s
AC line inlet.
Yes ....Verify item (2).
(2) Is the FFC312202A flexible
cable securely connected to
the main board and the control
panel?
No .....Connect the flexible cable
securely.
Yes ....Verify item (3).
(3) Is the FFC312202A flexible
cable broken?
No .....Verify item (4).
Yes ....Replace the FFC312202A flexible
cable.
(4) Is the AC line electrical output
correct?
No .....Change the AC line.
Yes ....Verify item (5).
(5) Does the power supply unit
have a 40 V output?
No .....Replace the power supply unit.
Yes ....Replace the main board.