Yes, you can, there many granule levels of operation you can perform with AP through the Ray dashboard.

1) Go to Access Points => Dashboard => Actions

    Click on the 3 dot icon given in Actions menu of the Dashboard.

2) You will see one menu will be drilled down, and follow the path given in the below snapshot.

    Click on ” 3 dots button ” => click “More”  => select “Restart Access point”