voltagleak is usually means u need to check ur power supply try to change psu or change use another free cabel on ur psu i have ebit e10.3 and when i change the psu  cabel i mean by changing my psu have 10 wire set so usually 2 or 3 are free itry to change them wth free ones.

how u upgrade ur machine  its very unusual i cant find any guide for upgrade in google is their any guide for it.

if u look at the behind the a1 u see tiny board with blue light from time to time it get dusty u need to remove it and replace it again for this fix the no internet and red light problem

hi sens yesterday i cant connect to antpool serever with my miner i get this in my miner status
stratum+tcp://stratum.antpool.com:3333 jeethm.1 Dead
is this just for me or anyone else have this problom and how can i fix it  thnks
 i change my miner  to viabtc and evrything works i hhave this problom only with antpool