I have a PSU which I have been using with my printer for about a month: [www.staples.com]
So far, I had three instances of this PSU going out.
1. The firs time, I don't know what triggered it. I was not printing anything. I think I was moving the X carriage up and down - to zero in on Z axis, and all of sudden I realized nothing was moving. I noticed that the PSU fan wasn't moving. I tried connections here and there, didn't find any problems, but it did not turn back on when I switched on and off several time.
2. The second time I may have shortened it or something. I was trying to connect a small cooling fan, which had three wires, black, red, and yellow, and I accidentally connected the fan's red and black wires to the red and yellow wires of PSU. When I made that connection, again the PSU fan stopped, rather graciously (instead of blowing up), and no more power.
3. The last instance took place last night. I was printing some object. Just before that I printed a couple of small objects without any issues as well. It was about half way through the printing.. I think it was printing for at least 30 minutes or more - even though it was a small object I was printing at 0.2 mm layer height, so it was going pretty slow - everything just stopped. When I looked at it (I was right there), I could see the fan in PSU was spinning down to complete stop.
Each of those three instances, I could not turn the PSU back up right away, but after 5-10 minutes I was able to turn it back on, and everything seemed to be working fine (until the next power off).
Can this be a sign of overload? I don't know what the total wattage consumption of my printer is, but I do have heated plate and also a cooling fan (although small). I believe these instances took place after I installed the fan, so I not only had an extra load with the fan, but also the hot end heater must've put in some extra work to maintain the temperature while to fan keeps blowing in air to cool it down.
If it is a case of overload, then I guess I can simply get a bigger PSU, or add another PSU (and use it for heated plate exclusively).
Or, can this be simplay a sign of faulty unit? I actually bought this PUS from Amazon (although the link above is for Staples) about a couple of months ago, so I think I could still get a replacement.
So far, I had three instances of this PSU going out.
1. The firs time, I don't know what triggered it. I was not printing anything. I think I was moving the X carriage up and down - to zero in on Z axis, and all of sudden I realized nothing was moving. I noticed that the PSU fan wasn't moving. I tried connections here and there, didn't find any problems, but it did not turn back on when I switched on and off several time.
2. The second time I may have shortened it or something. I was trying to connect a small cooling fan, which had three wires, black, red, and yellow, and I accidentally connected the fan's red and black wires to the red and yellow wires of PSU. When I made that connection, again the PSU fan stopped, rather graciously (instead of blowing up), and no more power.
3. The last instance took place last night. I was printing some object. Just before that I printed a couple of small objects without any issues as well. It was about half way through the printing.. I think it was printing for at least 30 minutes or more - even though it was a small object I was printing at 0.2 mm layer height, so it was going pretty slow - everything just stopped. When I looked at it (I was right there), I could see the fan in PSU was spinning down to complete stop.
Each of those three instances, I could not turn the PSU back up right away, but after 5-10 minutes I was able to turn it back on, and everything seemed to be working fine (until the next power off).
Can this be a sign of overload? I don't know what the total wattage consumption of my printer is, but I do have heated plate and also a cooling fan (although small). I believe these instances took place after I installed the fan, so I not only had an extra load with the fan, but also the hot end heater must've put in some extra work to maintain the temperature while to fan keeps blowing in air to cool it down.
If it is a case of overload, then I guess I can simply get a bigger PSU, or add another PSU (and use it for heated plate exclusively).
Or, can this be simplay a sign of faulty unit? I actually bought this PUS from Amazon (although the link above is for Staples) about a couple of months ago, so I think I could still get a replacement.