I have an SS-30DV. I don't know if this helps you, but...
In this weather, shack temp typically 80F and more, the fan is audible
all the time, even under very light load. I'm not sure what temperature
it turns on.
In winter, shack temp 50F, the fan is off. I don't recall hearing it run
at al
When I turn on this supply (SS-30DV) the fan turns on briefly then off.
I assumed this was normal and it would turn on if the temp. increases
etc. However the supply would turn off after a variable period of time
(~20 min) and then after about 10 min I was able to turn it on again!!
Since the
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