Problem number 1- Flashing Yellow Light
The "yellow light of death" (YLOD) begins after a major hardware failure. So many people are convinced that 9/10 YLODs result from bad solder joints on the motherboard, while 1/10 result from power supply errors.
1. See if there's a loose lead, otherwise, restart your console.
2. Unplug all leads except the power cord, and plug them back in.
3. Update Firmware.
4. correct the Motherbord or Power Supply Unit with a PS3 repair guide.
5. mend Hard disk
Problem Number 2 - 2 Flashing Red Lights
The "red light of death" happens after a massive Hard disk failure. This is separate from the YLOD, as the YLOD indicates to a failure with the motherboard
1. See if there's a loose cable, otherwise, restart your console.
2. Unplug all wires except the power cord, and plug it well in.
3. Update Firmware.
4. mend Motherbord or Power Unit with a PS3 repair guide.
5. mend Hard Drive
Problem # 3 Red light/Yellow
Red Light Turning Yellow errors could be with either Motherboard or hard drive failure effecting the CPU or GPU.
Fix Needed. PS3 Repair Guides might help here
Problem Number 4 - Ps3 Freezing
Was your Ps3 hot once the freezes happened? Or it could be with dust clogging around the game discs or otherwise enough hard disk space
Try to cool it down by putting your ps3 off. This actually might solve the freezing problems.
Check Game Disc, wipe with real soft cloth.
Ensure 50% free hard disk space
Problem Number 5 - Ps3 Hard disk Problems
malfunctions together with your PS3 hard disk? you need to remove Hard Drive and turn on. Should you still begin to see the yellow light blinking, your hard drive has no malfunctions
Problem Number 6 - 3 Beeps
3 Beeps and Flashing Red Light Again this happens when PS3 is overheated. Or whenever you eject when there is no game disc inside, or eject when the game is running, or you turn off the television before PS3 shuts off etc..
Allow PS3 to cool down, and continue to switch it on
Problem 7 - Stuck Disc Game disc stuck inside
switch off PS3 from back. Place your finger around the eject button and when you do, push the switch at the back to change the PS3 on, and then push the eject button. Hold it such as this for Just a few seconds, or before the drive needs open.
Problem 8 - Blue-ray Disc
If the Blu-Ray isn't working on your PS3, then it's simply broken Do this first, try washing the lens, and when it does not work, then you will need to fix the whole drive
Problem 9 - Flashing Green Light
Firstly, it may be an problem with the HDD software, or the firmware itself, or it could be a standard fix as switching off the PS3 and resetting Do Reset, by turning off and then switch on. Or Update the Firmware 10 Firmware Issues Whenever you turn off the PS3, while the HDD indicator light is flashing, may cause corruption. Or perhaps a game may be corrupted. Or your new firmware may be causing a YLOD. Visit the Recovery menu by activating (you can hear 2 beeps) and restore default settings.