4
1.7 The upper display (Item
2) resets after starting a
program.
Ribbon cable connection
is loose (Item 6).
Power cord is loose.
Display board is faulty.
Check cable connection at power
supply and display boards (Items 87
and 2, respectively).
Check and adjust as needed.
Replace display board.
1.8 Program stops, lines of
dots shoot across
screen.
Ribbon cable connection
is loose (Item 6).
Display board (Item 2) is
faulty.
Check and adjust cable connection
as needed.
Replace display board.
1.9 Machine shuts down in
programs but works in
manual.
Display board (Item 2) is
faulty.
Replace display board.
1.10 Can’t select program
or enter information and
no beep when buttons
are pressed.
Overlay/switch panel
(Item 1) is faulty.
Replace overlay/switch panel.
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