PS5 EDM-010 Very Strange Overheating Fault

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Hi all

Have a PS5 that trying to repair. Purchased off eBay 😅.

Has a max fan spin from boot, white lights, goes into repair mode, then three beeps and shuts down.

(I did manage to launch into main menu prior to tare down before getting the same error)

Liquid Metal all contact points have been cleaned and fresh LM applied.

UART threw up 808D0003 - Abnormal Temperature- Thermal Shutdown : Local Sensor 3 - No Memo.


I’ve got a funny feeling it could be a bad temp sensor. Any ideas? 🤷🏼‍♂️
 
Hi all

Have a PS5 that trying to repair. Purchased off eBay 😅.

Has a max fan spin from boot, white lights, goes into repair mode, then three beeps and shuts down.

(I did manage to launch into main menu prior to tare down before getting the same error)

Liquid Metal all contact points have been cleaned and fresh LM applied.

UART threw up 808D0003 - Abnormal Temperature- Thermal Shutdown : Local Sensor 3 - No Memo.


I’ve got a funny feeling it could be a bad temp sensor. Any ideas? 🤷🏼‍♂️
That would be my guess, I've heard of similar faults (just not on the PS5)
Shame it doesn't tell you the temperature reading, then it would be easy to tell.
 
Any idea of the location of them? I’ve had a read and someone mentioned 3 being present on the board as well as the APU
 
If you check the whole UART error string, you should see the temp of the APU (SoC) and of the Env. Maybe it helps to narrow things down:

.................Code.........Rtc.............PowState.UpCause......................T(SoC) T(Env)
FFFFFFFF 80810001 1058901D 00FF0042 00000000 217C 0004 2DC0 1E40

2D
(hex) = 45 (Dec) Integer Part & C0 (hex) = 192 (Dec) Decimal Part = 45.192°C
1E (hex) = 30 (Dec) Integer Part & 40 (hex) = 64 (Dec) Decimal Part = 30.64°C
 
So the full code is

00000000 808D0003 00003F47 81BF0005 00000100 2179 0036 1C80 148C:14

Soc at 28.128
Env at ??5260.20

If I've done that right I think Env is getting as hot as the Sun. Any idea where it takes the reading from?
If you check the whole UART error string, you should see the temp of the APU (SoC) and of the Env. Maybe it helps to narrow things down:

.................Code.........Rtc.............PowState.UpCause......................T(SoC) T(Env)
FFFFFFFF 80810001 1058901D 00FF0042 00000000 217C 0004 2DC0 1E40

2D
(hex) = 45 (Dec) Integer Part & C0 (hex) = 192 (Dec) Decimal Part = 45.192°C
1E (hex) = 30 (Dec) Integer Part & 40 (hex) = 64 (Dec) Decimal Part = 30.64°C
 
14 8C = 20.140°C i would assume. :)
And both temparature values seems to be fine.

Nothing in the shutdown temperature region.
At the PS5 block diagram are four external thermistor shown. Two at the XPDE and two at the SB. I will try to get the exact locations.
Post automatically merged:

Please check if the thermal resistors are intact in the four spots:

EDM-010_TH7301_TH7302.png

Post automatically merged:

An additional sensor at the LED pcb
 

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Last edited by stetofix,
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14 8C = 20.140°C i would assume. :)
And both temparature values seems to be fine.

Nothing in the shutdown temperature region.
At the PS5 block diagram are four external thermistor shown. Two at the XPDE and two at the SB. I will try to get the exact locations.
Post automatically merged:

Please check if the thermal resistors are intact in the four spots:

View attachment 483613
Post automatically merged:

An additional sensor at the LED pcb
Thank you for this 😊

I checked them all out. One looked a bit discoloured took it off and replaced off with one off another board - the same error occurs.

None are shorted. Diode & cap readings compared to a 020 board.
 
So went away and spent a lot of time thinking about this and doing some research and a lot of trial and error.

To which I managed to get a normal boot when applying mild pressure to the south bridge. Some further research suggest that the Southbridge is also responsible for temperature control.

My next plan is to reflow the Southbridge. And if no luck then reball.
 

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    IMG_8571.png
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14 8C = 20.140°C i would assume. :)
And both temparature values seems to be fine.

Nothing in the shutdown temperature region.
At the PS5 block diagram are four external thermistor shown. Two at the XPDE and two at the SB. I will try to get the exact locations.
Post automatically merged:

Please check if the thermal resistors are intact in the four spots:

View attachment 483613
Post automatically merged:

An additional sensor at the LED pcb
I would like to ask if there is a diagram available for the EDM-020 model thermistor?
 

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