Display/Lcd Is Blank At All Times - Fujitsu TeamPoS 3000 XL Installation & Maintenance Manual

TeamPos 3000 XL and XL
8.4

Display/LCD is blank at all times

No Check item
Is there power to the terminal and
1
other peripherals?
Are the display cables connected
2
securely at both ends?
Is display correct after adjusting
3
brightness/contrast on the LCD?
Is the display getting power?
(Note: the D22 and D25 have a green
LED on the front of the panel that will
4 be lit if either the power or signal is
supplied to the LCD. Having the light
lit does not necessarily mean there is
power to the LCD)
Is there a signal getting to the LCD?
While still powered up and running,
5 remove the powered USB cable to the
D22 or D25 to see if the green light
stays lit.
Does the display function after
6
replacing the data cable?
Does the display function after
7
replacing the LCD/display?
Does the display function after
8
replacing the motherboard?
Does the display function after
9
replacing the backplane assembly?
Caution: Before replacing any boards, unplug the power cable and make
D900000145
2
Judgment Action
sure the motherboard standby power LED light is out.
Issue 3
Y Go to No. 2.
N Go to the Power Cannot Be Turned. On
in troubleshooting section.
Y Go to No. 3.
N Connect the cable/s properly and retest.
Y End.
N Go to No. 4.
Y Go to No. 5.
N Replace source of power (ex. AC
adapter, Powered USB I/O Board in
Controller, powered USB cable, etc.).
Y Go to No. 6.
N Go to No. 7.
Y End.
N Go to No. 7.
Y End.
N Go to No. 8.
Y End.
N Go to No. 9.
Y End.
N Change the controller.
Troubleshooting
8-4