GRAPHTEC CE7000-60 - 9 Troubleshooting; The Plotter Is Turned on but Doesnt Operate

CE7000-UM-251-9370 9-1
9 TROUBLESHOOTING
9 TROUBLESHOOTING
9.1 The Plotter is Turned On But Doesn’t Operate
Symptom Verication item Solution
When turn on the power,
nothing is displayed on
the LCD panel and the
plotter does not initialize.
Is the plotter being supplied with
power?
Check that the power cord is securely
connected to the plotter’s AC line inlet.
Does it occur at the rst power on? When the status of plotter is waiting in
the language selecting menu, the LCD
is defective or the control panel exible
cable is not connecting correctly.
Replace the LCD or reconnect the
control panel exible cable correctly.
It did not occur at the rst power on.
Does the power supply board output
24 V?
When the power supply board does not
output 24V, the power supply board is
defective.
Conrm the serge capacitor is not
burning and the fuse F1 has conduction.
It is caused by the thunderbolt if the
serge capacitor is burning and the fuse
F1 does not have conduction.
Replace the power supply board.
If the serge capacitor is not burning and
the fuse F1 has conduction, it is caused
by short circuit on the main board or the
exible cables.
Conrm the exible cables are
connecting correctly, and conrm the
main board does not have burning ICs.
Replace the power supply board, and
replace the damaged exible cable or
the main board too.
When the 24 V is output from the power
supply board, the power supply board
is not defective, the main board or the
exible cables are damaged.
Replace the damaged exible cable or
the main board.
When turn on the power,
nothing is displayed on
the LCD panel and the
plotter initializes.
Is the control panel exible cable
securely connected to the main board
and the control panel?
Reconnect the exible cable securely, or
replace the LCD.