Finally, checked the PSU today... here´s the results:
Pins 1&2 = 10.3VDC MINE: 10.28VDC
Pins 4&6 = 25VAC MINE: 23.45 VAC
Pins 4&5 = 12.5VAC MINE 11.70 VAC
Pins 11&12 = 6.3VAC MINE: 6.12 VAC
Seems like you where right Andre, the ARII can fail....
So, maby a new ARII is in order.... (and the best thing, i have 4 from TNT in denmark

)