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TROUBLESHOOTING
5.0 Key Switch Button Error - Switch module – XR-83A80*
Side key buttons error *
Check harness
connection between B-
board and switch module
OK
Change switch module
NG
Change harness between
B-board to switch module
harness
NG
Main device or
dumping resister issue
Change B-board
NG
Harness connection issue
OK
Switch module issue
OK
B-board to switch module
harness issue
126
SYS SET
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