Author Topic: DPS5015 need help  (Read 804 times)

Offline Luca c.

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DPS5015 need help
« on: September 10, 2023, 05:59:52 PM »
Hi everyone, I'm having some problems with my PSU which is a DPS5015, unfortunately, while building a new machine I placed the back ( ) of the board on a metallic surface, which made it act erratically after I saw that I fixed the problem by adding a plastic insulator behind the board to prevent this from happening, but now I have another problem when turning on the PSU, the screen light up but shows the following image that is not normal:

I discovered by trying that it is possible to exit from this only by long pressing all the buttons (V,A,set,ON) and it reboots and now shows the normal screen, but it is like frozen because it is impossible to modify the voltage or current regulation by pressing the relative buttons, so it is stuck on whatever voltage and current settings was before, another aspect is that I can no longer use the Bluetooth function because it won't show on my device, even if the Bluetooth module's led is blinking.
Besides this, it is possible to use the SET button, but not navigate through the menu because the A,V buttons do not work, and the ON buttons also work so it will power up with the fixed voltage and current regulation, which are unfortunately impossible to change.
If anyone with some experience with these kinds of power supply knows what is happening, I would be very grateful if they could tell me.

Offline petespaco

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Re: DPS5015 need help
« Reply #1 on: September 11, 2023, 06:44:03 PM »
In my opinion, about the only thing you can do is to attempt to locate and replace any defective discrete components on the board.
It appears that the software works to some extent, so the controller chip isn't totally fried, but who knows if some input to it got blown out.
Maybe you just need to buy a new one and save the old one for parts.
And take this event as a learning experience.

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Re: DPS5015 need help
« Reply #1 on: September 11, 2023, 06:44:03 PM »

 


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