Oh even better 
Now that it’s the work week again fingers crossed you hear soon! If you verify that your tension matches the gif linked above, and that you’ve verified your belt isn’t twisted anywhere it’ll help them be able to move forward faster once they do get here.
Stuck on focusing is a WiFi issue, but the amber light can be an indication that it’s the black cable that’s not transmitting correctly. There are a series of other steps you can run through and update your post with the answers/photos to move them along even faster