Same issue too.  When the unit is left powered on, up and running overnight, the brick goes out after one day.  However, if I shut down the unit itself, the brick will remain lit for days on end.  Seems that it might be related with the unit itself, ...

Recent software upgrades or switching from TC to CE might make the camera blurry.  Remove power/AC cord from unit for 60 seconds..."cold boot" unit.