My Playstation 3 turns off while playing .. ?

Hi guys , 2day I was playing with my modern warfare 3 , and its not the first time , it shut down and beeped 3 times , now its just staying and the red light is turning off and on all the time !
Does anybody know what this means ?
The Ps3 is a 60GB old version ( Fat) !
Thanks in advance !
Answer #1
RLOD = red light of death
overheating problem
Answer #2
_Hell_Boy_ replied: RLOD = red light of death
overheating problem
If it would haven been the RLOD than it would turn on again I think !
Its just a overheating problem , maybe I should clean it once and leave it on a better place where it can get more air Thnx though
Answer #3
they’re very prone to overheating happened with me.
Answer #4
mine started doing that, i vacuumed the vents and the stood a desktop fan behind it and I only for a maximum of 3 hours at a time.
Answer #5
abu.subzero21 replied: mine started doing that, i vacuumed the vents and the stood a desktop fan behind it and I only for a maximum of 3 hours at a time.
Well Im gonna vacuum clean it too , in wednesday ! Thanks though to everyone