Default SM-P600

Hello if anyone can help- I tried thCF Auto root method with the mj4 after the md5 tar which both passed as far as Odin was concerned but after rebooting, Supersu could not update binary and of course Root checker failed. I dont know what is wrong but if anyone could shed some light on this that would be great- I was lucky enough to save my note 3 with Beans stock firmware and I'm sure it's something simple with the tablet.
Thanks!