I have some older meanwell supplies which are actively cooled. In those units, the fans run all the time. But I’d imagine that their newer models would implement fan control to save a bit of power and reduce noise.
> On Jul 15, 2021, at 1:21 PM, Chris Albertson <albertson.ch...@gmail.com> > wrote: > > If you place your hand on the power supply and feel no heat, then I'd > expect the fan to be off. > > I some a good size power resistors mounted to a heat sink with a fan that I > used for testing power supplies. Testing with no dummy load is not very > meaningful. The load is set up so it can be quickly rewired with > resistors in series or parallel in different ways using a terminal block. > > On Thu, Jul 15, 2021 at 9:19 AM Alan Condit <condit.a...@gmail.com> wrote: > >> I am building a new controller cabinet. I installed a Meanwell SE600-48 >> power supply. When I turn on the power supply the fan doesn’t turn on. If I >> leave the power supply on for a little while I hear an intermittent >> clicking (like a relay) but no fan. Does it have some kind of temperature >> control on the fan? Is it not turning on because I currently have virtually >> no load on the power supply? >> >> Thanks, >> Alan >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > > -- > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
