hi guys , up until last night all was fine , then noticed this morn , that my 5402 is rebooting every 3 to 4 mins , will b watching something either on scram chann or fta , then box will have blank display , then red light flashes , gets the bars goin across the display and then boots up then a few mins later happens again , sometimes will take itself 2 or 3 attempts to reboot , ie red light bars , then red light bars again , then boot up , have tried switching of using the power off button on the back , still same thing happening , sometimes wont stay on long enough to get into menu