Here is a quick video explaining how to do puzzle there also a link in description to a site the will show you how to solve your puzzle (as there random each time).
https://www.youtube.com/watch?v=Qr1zBmsfzGk
/setwaypoint 4544 2384
1. press the plate at the wall
2. go inside to see the shields at the wall and note how they are placed.
3. go further down and place the shields in the right order. I used this vid as help:
https://www.youtube.com/watch?v=_lyPvQa19iU