Originally Posted by onehundred80
Noted and stored in the memory, which these days is acting more like DRAM than RAM. 
The D stands for doddery as in doddery old sod.
This has to be a first.
I figured the last I could do was post the solution, as elementary as it is, it is the first time I have come across anything like this.
The balast was corroded on the underside of one of the plugs....