Correcting Malfunctions
Troubleshooting
LigaSure Vessel Sealing Generator Service Manual 7-7
Blank or confusing
LED display.
Faulty ribbon cable between
control board and display
board
Check/connect ribbon cable that connects the display
board to the control board.
Incorrect display information
communicated through the
control board
Replace the control board. For instructions, refer to
Chapter 8, Control Board and Battery.
Display board malfunction Replace the display board. For instructions, refer to
Chapter 8, Front Panel and Display Board.
Buttons do not
function correctly
when pressed.
Faulty ribbon cable between
control board and display
board
Check/connect the ribbon cable that connects the display
board to the control board.
Incorrect information
communicated through the
control board
Replace the control board. For instructions, refer to
Chapter 8, Control Board and Battery.
Faulty ribbon cable between
the front panel and the display
board
Check/connect the ribbon cable that connects the display
board to the front panel.
Incorrect information is being
communicated from the front
panel
Replace the front panel. For instructions, refer to
Chapter 8, Front Panel and Display Board.
Situation Possible Cause Recommended Action
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