Maybe all the 3 are getting one ip and conflicting.
Get to Recovery Mode by IP SET button - hold it for 3s until green LED flashes.
Connect 1 faulty miner at a time, check your router dhcp status to find the ip, and try to login via web or ssh.
Hello and thanks to your reply,
I connected just 1 miner at the same time and conflicting is not possible.
Is IP SET button is same IP REPORTER button? If it is I have no luck to get recovery mode.
and at last no new IP listed in router dhcp list. and scanning network with arp also unsuccessful.
Is this maybe happend beacuse of new antminer s9j frimware?