Replace Main Board - KERN HFD Service Manual

10.10

Replace Main Board

Release 4 pcs screw from bottom of the
scale by using cross screw driver.
Open the bottom cover, the main board lie on top
cover, use cross screw driver loose 4 screw for
main board, pull out all connector on the main
board, then you can bring out main board carefully.
Install the new main board, plug all connector at
last,After check anything，try to turn on the power
， if anything is OK，close the top cover，replace
main
board completely.
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HFD-SH-e-1810