The servers will come down for Server Hardware Maintenance on February 04, at 14:00 GMT/ 9:00 AM EDT/ 6:00 AM PDT. (check this link to see when this is in your timezone).
Please note this downtime is estimated to take 2 hours.
This thread was added on February 03, 2020, with posts from AndyB.
The servers are back online. That went quicker than expected! 
Thanks for your patience!