how can i fix my optima panel?

pete gave an answer to overwrite code on optima xm.
does this work on all optima range.
program99981****
chris
chris, May 2007


done
How do you factory default an optima XL or XM control panel. I remember that you power up the panel with a link between terminals but dont know which ones

Alan Thomas, August 2008
Well Chris,
Did it work?
Let me know.
What is wrong with your optima xm?

johnny, May 2007
Nothing to lose by trying it... but note that the Engineer code is four nines and not three

Kenny., May 2007
link Click here to see other fixes for Optima XM.