It's pro-series but not XP.
parts are incompatible. so sory..
I can get new parts from yamaha jp.
they said price are KD 1,2,3,4 24494JPY(283AUD) each.
(shipping cost extra)
KD3&KD4 doesn't have thermal chip.
I feel like KD1 has poblem in this case.
How is KD board Led? red ,green,green .(48v/3.3v/5v)