VPI traveler V2 SDS getting very warm

Dear All,
Does anyone know why it gets so warm?
It runs on a 48 volt sm power brick, would it run on a lower voltage?
I dont have a schematic of this SDS version but perhaps someone knows.
Thank you for any responce!
 
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To state the obvious: Everything is very warm today! My Pyrenees dog is melted to the floor, despite the air-conditioning.

Not our Australian friends, of course. They think it is deep winter and are wearing jackets.

But your area:
hot-hot-hot--Odemira----------42.gif

I can not find any information about this VPI, how much power it needs.