I got the same problem with this error. however a could acess to page router and everythink works fine for a time. Unfortunally I completly lost wireless signal for no reason and I could not be able to configure and get it back. Iīve decided for upgrade firmware from 1.11 to 1.21, since than I canīt save any configuration that I choose and also got a message on status page, field WLAN:
Wireless radio: init failure.
If anyone could help me out, please.
P.S. My wired conection still work with DIR-655 and my wireless has no signal of life