Its not working. I think it is not intended for ExpressEntry Candidaties.
One of my friend who filed PR application for his Spouse through Old system was able to check the status using this link.
After 33 days of long wait, I got update today.
eAPR/AOR - 16 Nov
Medical's Passed - 21 Dec
BG status - InProgress
Bestofluck, can you please update in the list,