2 hours ago, james.wilson said:

is it old firmware? id also talk to who you bought it from they have to support it

No latest firmware. I am taking with supplier and he is being very helpful and seems knowable. He has got me to re enter the user, master and engineer code and fingers crossed it seems to have worked. Just leaving it alone for a while now. I will keep you all update. 

Issue solved. I'm still not entirely sure why the panel was unhappy but this sorted it out. I re entered 3 levels of pin (a user, a master and an engineer) while logged into system as that person. Bingo no more "additional code required"

 

In case anyone comes across this problem this is what I think happened. I am not sure but I think I may have ended up having 2 users set as master. Both user 23 and user 2. I now have users 1 & 2 set as users L2, user 23 set as master and 24 set as engineer and all is well.

 

Thank you all for trying to help yesterday, very much appreciated.