Help! Non starting td5!!!

OK guys I'm in need of some help before I burn my td5 to the ground!

I've had it for just shy of a month... been loving it! Untill couple of days ago. Was out and about in it, popped home, grabbed the missus to take her to work, turned the key..... turning over without starting the engine.. started looking about but couldn't see any visual issues. Went out there to start it again and the battery was flat?! ( brand new battery btw).
So far now I've checked the crank sensor, fuel regulator sensor, cleaned every possible connection in poxy engine bay with contact cleaner, checked the fuel pressure and it all checks out.. done all this to no prevail. I'm seriously running out of options here.. any pointers or thoughts would be very welcomed

Make sure you have a fully charged battery.


IIRC anything less than 10.5V on cranking and the brains do not like it and it will not start.

Cheers

neilly said:

Make sure you have a fully charged battery.


IIRC anything less than 10.5V on cranking and the brains do not like it and it will not start.

Cheers

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Great! I did think it could be a lack of power on the battery side of things..I'll get the brand new battery returned and replaced and give that a go. I'm completely at a loss it seems so strange how it's been working fine then nothing! It's a auto BTW I forgot to mention. Thank you for your reply

Had something similar a few months ago!!
Turned key! Nothing!! Checked battery 12+ gave starter a check and knock! Still nothing! It turned out to be the Relay had come lose!!!
Always an idea to check them too!