WPS Light Constantly Flickering

[#1]

As the title says the Routers WPS Light is flickering all the time even when the other lights are normal. Is this normal or not, the Router is the 2704n.

[#2]

Just found ours doing similarly. WPS button definitely not pressed. Restarted in case of anything untoward and seems OK now, but a little worrying.

[#3]

Mine doesn't have the option to press the button so ive just disabled it in the Router settings.I did a bit of reading on it and it states its better to not have it enabled for security reasons.

[#4]

On the 2704n the WPS button is the top one on the left hand edge of the unit when upright.
Given that "always active" WPS is essentially no more secure than an open network, and as I understand it would require a highly inconvenient WPA password change to kick off any rogue clients, just in case WPS really did get randomly activated and stuck on rather than just its flashing light, I've followed bustermissy1961's lead and disabled WPS altogether pending a firmware fix. Hopefully that will work, though not entirely reassured given the evident bugginess of this version...