Troubleshooting
6-18
Part 1124631_01
E 2015 Nordson Corporation
Touch Screen Issues (contd)
Problem Power Supply Board Corrective Action
Remove Touch Screen, contd.
d
e
c
Note the following components
on the touch screen rear panel:
c. Common
d. PE
e. 24 VDC
2 Tilt the touch screen down to
accesstherearpaneland
measure the input power to
the touch screen. You should
measure 24 VDC when the
control switch to the unit is
turned on.
3 Ifyoudonotmeasure24
VDC, check the cable
between JP8 on the
Controller Board and the
touch screen. Repair or
replace cable a s necessary:
S Reconnect the flex
connector cable from the
touch screen LED overlay
into the Controller Board.
Refer to Reconnect t he
Flex Connector Cable
given below.
S Replace the retaining
screws to the touch
screen
4Ifyoumeasure24VDCand
the touch screen does not
start up (no bac k light visible),
replace the touch screen.
Reconnect the Flex Connector
Cable
1 Open the flex connector
socket insert by gripping the
outsides and gently pulling
up, see the figure on the left.
2 Gently insert the end of the
flex connector cable into the
open slot.
3 Gentlypushdownonoutside
of the insert to lock the cable
in place.
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