Avalon 841 not recognized by the controller

[fdmarcanob]

Hello everyone, I have two Avalon 841 that are not recognized by the controller, these machines remain in white LED when starting and do not turn green or blue, always in white LED, can anyone help me?

[philipma1957]

have they ever worked with that controller?

Have you ever had other  Avalon  gear working with that controller?

Can you find the controller in a browser?

[fdmarcanob]

have they ever worked with that controller?

Yes, they worked with these controller, but no any more, not recognized.

Have you ever had other  Avalon  gear working with that controller?

Yes, i have two more Avalon with this same controller, and they work fine.

Can you find the controller in a browser?

Raspberry Pi 3 B with openWRT+ cgminer

https://imgur.com/BYCjRv3
https://imgur.com/l76sKl0
https://imgur.com/yaRHB66

[philipma1957]

so the mining window in your browser is visible?

and it shows 2 of the 4 a841 units.

it used to show all 4 a841 units?

are all four attached in 1 chain?

if a chain of 4

rasp pi - 841-841   -      841-841.


one chain.  are the two bolds ones dead?

that could mean the  wire with lots of space is bad