I did a cleaning last year and also got beep codes. I have no clue how I did it, but a bunch of pins got bent on the mobo and had to be replaced. I don't remember the codes, I just took it apart again and saw the pins bent.
3570k @ 4.6 1.25v /MSI Z77A-GD65/Hyper 212 EVO /8GB Corsair Vengence DDR3 1600/Asus GTX 770 SLI/Samsung 840 120gb /Hitachi 1TB /Cooler Master V700/Qnix QX2710 @ 96hz/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011