Pi under voltage Issue when running OctoPrint
 
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Pi under voltage Issue when running OctoPrint  

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MysDawg
(@mysdawg)
Estimable Member
Pi under voltage Issue when running OctoPrint

Recently in Octoprint, I have been getting an under voltage warning. I'm running a Pi 3B+ with a screen for Octodash. The power supply is the original Pi charger for the board.

Veröffentlicht : 08/01/2022 4:57 pm
Extra Fox
(@extra-fox)
Reputable Member
RE: Pi under voltage Issue when running OctoPrint

I wonder if that screen is drawing more power than your power supply can handle. Does the screen get it's power from the Pi?

Aaron

Veröffentlicht : 08/01/2022 5:45 pm
MysDawg
(@mysdawg)
Estimable Member
Themenstarter answered:
RE: Pi under voltage Issue when running OctoPrint

HI Aaron,

Yes

Veröffentlicht : 08/01/2022 5:57 pm
Extra Fox
(@extra-fox)
Reputable Member
RE: Pi under voltage Issue when running OctoPrint

What's the amperage output on the current power supply? My hunch is that might be what it's running low on, that or the power supply is not capable of providing the power it says it can.

I've got this one for mine, at 3.5A it seems to be one of the higher amperage units: https://www.amazon.com/gp/product/B07TYQRXTK

I also think there are some 4A units out there as well, but I can't vouch for those.

Aaron

Veröffentlicht : 08/01/2022 6:10 pm
MysDawg
(@mysdawg)
Estimable Member
Themenstarter answered:
RE: Pi under voltage Issue when running OctoPrint

Hi Aaron,

The current supply is 2.5A. the one you mentioned is a type c connector so it won't work on the Pi 3B+. I found a different supply with a 3A output.

Veröffentlicht : 08/01/2022 6:43 pm
Extra Fox
(@extra-fox)
Reputable Member
RE: Pi under voltage Issue when running OctoPrint

That would help I would imagine. If you can find one higher than that, as long as it's still 5V output, that might be even better. However, I imagine if it all seems to work with the current supply, but for the undervolt message, the extra .5A might be just what's needed.

Aaron

Veröffentlicht : 08/01/2022 6:58 pm
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