Ecomatic ESC 6000 not powering on

I have an ecomatic esc 6000, about 3 years old, and it suddenly stopped working. No lights, nothing when it's turned on.
The cell is clean and there is power getting to the power pack.
I'm wondering if the motherboard blew or transformer? Is this something common that happens with these in 3 years time?
I have a non-contact voltage tester and when I hold it up to the power cord, it beeps.
When I hold it up the the power pack to the left of the on switch, it does nothing when it's off, then when I turn it on...the tester beeps.
I checked the fuses and they look fine. but I'm going to buy two more just to be sure.
Anything else I can do to troubleshoot? I can't imagine this thing is dead already.

Any help would be appreciated.
thanks!
 
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