Is this psu weak orfailing?

i bought an ax1200i for my 3 antminers s3's



when hooked up i use a plug in watt meter, it reads 1150watts and 90 amps



the psu red lights



was wondering if this is notmal



also have an ax860i measuring 870watts and 7 amps and does not trip



so for my ax1200i is it faulty or what any thoughts?