@o_lampe Thanks for your response 
do I not need to empty the VAT even if I have a failed print that is stuck to the FEP? I have used the clean tank function which does allow to peel away a sheet of cured resin so I am pretty sure it is clean.
I cannot see any setting on the printer from the usb no? The thing is I have already printed an initial test print of the rooks using this same file so am not sure why now it would suddenly stop working?
Hey guys, new to to 3D printing here.
Just bought the mars pro 3 and attempted to print off the test rook that is included on the usb.
First print worked fine but since then I cannot get anything to connect to the build plate at all. I have tried about 6/7 times now, each time emptying the resin from the vat back into the bottle and giving the build plate and fep a thorough clean. I have leveled the build plate plenty of times and seem to be following tutorials and what I did to begin with exactly but all I seem to get now is two circles stuck to the fep after every print.
Does anyone have any idea what I am doing wrong?