Answer to "input module error problem?"What is the model of one2six you have - MFS or OTS?
Answer to "Open lid and release lock"Probably the wheel is locked. Does the wheel rotate for checking after power up?
Answer to "Changing output buffer capacity"It can be changed if you change the position of the Hall sensor (magentic field sensor) I think. For MFS model it is easier than OTS. Usually the number fixed but recently I saw different number of cards in the output buffer.