see the attached pdf and please check following points. (´・ω・`)
P166-167 system wiring
P172 ---Hammer sensor connection.
P122-P128 ----LED Display.
P189 ----Error log history.(P194-195)
Service centre--maintenance mode--
3:Data base--
3:Log view--
3:All errors/ 4:All warning/ 7:search for special.
