Own 3 cameras, moved one to test possible location for 4th. worked well, placed back in original position. Wont connect. Restarted camera, router, app, phone, removed and re-added to Alexa. no fix. camera made weird sounds at end of pre-records. Tried a flash of:
. Got “Connection time-out re-scan QR” message twice. Then worked fine.
Perseverance seems to pay off.