View single post by m.khairy

Posted: Monday Sep 5th, 2011 09:13 pm

Joined:	Wednesday Dec 29th, 2010
Location:	Cairo, Egypt
Posts:	32
Status:	Offline

I upgraded Firmware to 6.005
using the UCM usb

but when i armed the system to away mode
the arm failure
& the message appare on keypad : arm failure z
i isolated all I/O except by one I/p on the main board
and the problem is still

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