2pac and newpac miners stop working after 30-45 seconds? send help!!!!

[MikeMonday]

so i have a bunch of 2pac usb miners. running cgminer and followed all the steps. starting up the miner everything looks great. then just seconds after issues start to happen. this is for all the 2pacs.

i have 3 newpacs, start them all all run run. after about 5 minutes one stop working and the other 2 continue to work fine.

im so baffled. did i buy all burned out miners?

any help and suggestions would be grateful!!!


here's photos.


https://i.ibb.co/zrmVj9n/image5-1.jpg
https://i.ibb.co/P1Kj2Tb/image6.jpg
https://i.ibb.co/k4bNRV7/image2-1.jpg
https://i.ibb.co/PTGSPrz/image1-1.jpg

not sure why the images are showing as links and not images.....

[DaveF]

so i have a bunch of 2pac usb miners. running cgminer and followed all the steps. starting up the miner everything looks great. then just seconds after issues start to happen. this is for all the 2pacs.

i have 3 newpacs, start them all all run run. after about 5 minutes one stop working and the other 2 continue to work fine.

im so baffled. did i buy all burned out miners?

any help and suggestions would be grateful!!!


here's photos.







not sure why the images are showing as links and not images.....

Because new users can't post images.
With that being said, what do you have them plugged into. The USB hub might not be able to power all of them or the power supply you are using for the hub might not be up to the task.

Can we get the info on that.

Also, what PC hardware are you running it on, and is it doing anything else at the time?

-Dave

[philipma1957]

also did you use fans?

[lgx121]

you can try restarting

[MikeMonday]

im running a raspberry pi 4b 4gb

ive tried multiple powered hubs, even the one from gekkoscience. ive tried just running 1 at a time, same issues. they go zombie. i use a fan on them.

all thats being ran is the cgminer and the raspberry pi.

[DaveF]

On the 1st post of the support thread the zombie issue is mentioned. Take a look: https://asktom.cf/index.php?topic=1764803.0

I asked about the hardware you were using 1st just to make sure that you were not plugging them into an non-powered hub and a RPi3 or something.....
Should have mentioned that post. My bad.

At a guess the previous owner messed with the voltage potentiometer.

Good luck.

-Dave