Looking for a little advice on a starting point. I realize that the solution could be numerous things; just looking for some starting points and advice.
When I am hooked up to power, I have an electrical buzz. This is only when I am hooked up to power. It sounds like the buzz is coming from the "fuse box area". Sometimes I can "trick it" by turning the lights off and on but it will eventually come back on. It is intermittent however there is definitely more buzzing than no buzzing.
underload a fan will be running in the power convertor (as you said fuse-box area)
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