The SE600 does not have fan speed control, the fan is always on and quite loud. If it's not running you have something to troubleshoot.
On Fri, Jul 16, 2021, 6:23 PM Chris Albertson <albertson.ch...@gmail.com> wrote: > I think maybe the fan does not turn on until it needs to be on. There > could be a temperature sensor. If the unit is not warmth it > makes sense that the fan is off > > Is the fan 2, 3, or 4 wires? If 3 or 4 then this means one wire is a > tachometer used for speed feedback, and they would not have that if the fan > speed was not controlled > > Finally, check the voltage on thefan motor, If this is a 12 volt fan and > there is 12 volts and the fan is not moving then the fan is broken. But > if there is something like 3 volts then the fan controller has decided no > cooling is needed. > > On Fri, Jul 16, 2021 at 12:35 PM Alan Condit <condit.a...@gmail.com> > wrote: > > > > > Chris, > > > > The unit doesn’t seem to be warm. > > I adjusted the voltage down to 42 volts, to provide some headroom. I am > > using KL5056 stepper drivers and they say max 50 volts. There is > definitely > > power to the fan because if I try to turn it it snaps back to the fixed > > position. The voltage is rock steady at 42 volts. > > > > I wonder if it is just the fan or fan controller that is bad. > > > > I bought the power supply a year or so ago but this is the first time I > > have applied power to it. Maybe I will have to open it up and see if I > > could replace the fan. > > > > Alan > > > > > > > From: Chris Albertson <albertson.ch...@gmail.com> > > > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > > > Date: July 15, 2021 at 12:21:10 PM CDT > > > To: "Enhanced Machine Controller (EMC)" < > emc-users@lists.sourceforge.net > > > > > > > > > > > > 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 > > > > > -- > > 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
