I have the exact same problem. When I try to set the alarm it comes up 'power failure setting aborted'
I think its a Galaxy 16 model
Led on keypad is flashing fast
When I enter the my code I can access the menu as normal
I have the engineer code
I have checked the mains fuse and the three inside the panel and all are ok.
The panel looks like this:
If you could help that would be great
What was the engineers code ????