Sigma M30 is not getting any power (I think)

Hi All

I have read all 27 pages of Sigma Sam's excellent info .All the fuses are good  that is the ones in car behind the coin tray and under the bonnet . The LED on the key pad is not illuminated when any of the digits are pressed with ignition on or off same with the LED on the steering column.

I am looking to see if there is a inline fuse in the alarm wiring. Any one know this. 

My next move is trace down the location of the SigmaM30 controller I have a feeling it is some where above the foot well on the passenger side. Any clues ,at the moment the glove box is stripped out to put in a new pollen filter.  Key Pad is on the left hand side of the glove box I also have the serial No and the pin code 

Thanks 

David