Control Board and Battery
Replacement Procedures
LigaSure Vessel Sealing Generator Service Manual 8-9
Control Board and Battery
You may need to replace the battery for the battery-backed random access
memory (RAM), the control board, or both. Both procedures involve removing
the cover, disconnecting a ribbon cable, removing screws and brackets, and lifting
the board out of its connector. Installing a new board reverses the process.
Tools Needed
• Phillips head screwdriver
Remove the Control Board
1. Turn off the generator. Disconnect the power cord from the wall receptacle.
Disconnect any footswitches or handsets currently connected to the generator.
2. Remove the cover.
3. Disconnect the display board ribbon cable from the control board:
a. Unlock the connector on the control board.
b. Pull the ribbon cable connector out of the receptacle on the control board.
4. Remove three screws (M4 x .7 x 8) that secure mounting brackets to the
chassis.
5. Remove the three mounting brackets (one on each upper corner, one in the
upper center) that secure the board in place.
6. Carefully slide the control board straight up to disconnect it from the RF
board.
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