Mazak, Mitsubishi, Mazatrol > VTC-20B M-Plus no start
Re: VTC-20B M-Plus no start. The process I said above will take less than a minute to check. Your data should be ok if the existing battery voltage is ok. The data is store in the S-RAM card mounted on QX141/QX161 and has a super capacitor which is capable of giving necessary backup charge.