Hi all. I have opened the machine and disconnected both of the ribbon cables to the keyboard. I then booted the machine, this stopped the relay RL1 from pulling in and dropping out as described above. The machine was then switched off and the two keyboard cables were re connected and the machine reb...

I have already had some really good support from one of the forum members with regard to trying to get my device up and running in its original state and this is the route I intend to go down to start with as I have all the documentation to learn away from what I would then have in front of me. Howe...

Many thanks for that I would be really interested in getting hold of a new front panel keyboard. Do you have any documentation on the conversion to Mach3 as it seems to be the way every one is going but I am no CNC expert. When I do get my Triac running then I have to start from complete scratch to ...

Hi Admin :D Yes I did manage to find that set of posts, thank you very much for being kind enough to point it out. That is the one I am going to use to try and buzz out the inputs to outputs on the keyboard cross-points to see if our keyboard is working or if I need to try and fix it. Has any one go...

The next thing we are going to do is to try a boot with both of the keyboard ribbons disconnected and to see if that stops the relay problem. We will also buzz out the input lines to the output lines and check to see that the keys produce the expected cross-points. Depending on the functionality (or...

It appears that the Keyboard is not functioning as in the power up mode we can not get any of the keys to display a value on the VDU when they are pressed. It has also been suggested that a keypad fault could be the cause of RL1 pulling in momentarily and then immediately dropping out again about on...