The F0 usually means that there is a problem with the keypad.
My solution for the F7 problem may help. You will find my solution at the following link.
http://www.fixya.com/howto/h155050-dreaded_f7_error
I have now shared my fix with over 1600 folks and most report success. I hope that it works for you too. Please let me know at:
[email protected]
Charlie Popeck, P.E.
Consulting Engineer
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