HGST HUS728T8TALE6L4

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Alandata Recovery

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Aug 28, 2026, 3:53:05 PMAug 28
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   Model : HGST HUS728T8TALE6L4
  Serial : VYHLRNKM
Firmware : V8GNW9U0
Capacity : 8 TB (15 628 053 168)

Hi
customer states plugged in wrong voltage barrel adapter in external enclosure.
saw spark, smelled burning.

plug in drive spins normally
does a light chirp-chirp
gets
DRD-DSC
But no access.

Firmware?
Heads killed?
Any solutions
reading gets ERR-ABR

Thanks

I enter PSID but not accepted.

This is log.



 
ATTENTION! Security-locked HDD.
 
Get Tech Sense
ErrCode         = 0x70
SenseKey        = 0x00
SenseCode       = 0x00
SenseCodeQual   = 0x00
KCQ             = 0x00000 = No error
FRU             = 0x00
SnsKeySpcBits   = 0x00(invalid)
SnsKeySpcBytes  = 0x0000
UEC             = 0x0000 = No error
VendUEInfo      = 0x0000

ID.Model................................ : HGST HUS728T8TALE6L4
ID.FW................................... : V8GNW9U0
ID.SN................................... : VYHLRNKM
ID.WWN.................................. : 5000CCA0C6D69B42

Factory family by FW.................... : VELA-AP
Inquiry Page 03...
Product ID.............................. : VL84K
Code ID................................. : 0x340E0102

Tech PSID Auth: 1WblEl90TJlWl5WZrNrd
Error : ................................ : Error sending Auth PSID cmd
Tech ON...
Error : ................................ : Error sending Auth PSID cmd
Get Tech Sense
ErrCode         = 0x70
SenseKey        = 0x07
SenseCode       = 0x20
SenseCodeQual   = 0x02
KCQ             = 0x72002 = Unknown
FRU             = 0x00
SnsKeySpcBits   = 0x00(invalid)
SnsKeySpcBytes  = 0x0000
UEC             = 0xF827 = Access denied
VendUEInfo      = 0x0000
 
HDD State:
Inquiry Page 03...
micro Code ID   = V8GNW9U0
Servo PN        = 2401
Major/Minor ver = W9U0
Build Number    = 9U0
Build Date      = 11/30/22 16:37:52
Code ID         = 0x02010E34 ...
Product ID      = VL84K
Interface ID    = PLAI03GA
Code Type       = RELEASE
Compile Path    = Y:/ccb7/R9U0/library/VL84K
Operation state = 0x00000004, OM_SPINNING, Motor is started but reserved area is not loaded yet
PSID Lock       = 0x10 PSID locked
Functional Mode = 0x00, Normal Mode
Idle Functions  = 0x00
Degraded Reason = 0x00000000, No error
Broken Reason   = 0x00000000, No error
Code Mode       = 0x00, OM_FLASH, Drive is running flash code

WARNING! PSID Lock state!
 
Tech PSID Auth: 1WblEl90TJlWl5WZrNrd
Error : ................................ : Error sending Auth PSID cmd
HDD ID reading...

ID.Model................................ : HGST HUS728T8TALE6L4
ID.FW................................... : V8GNW9U0
ID.SN................................... : VYHLRNKM
ID.WWN.................................. : 5000CCA0C6D69B42

Factory family by FW.................... : VELA-AP
Inquiry Page 03...
Product ID.............................. : VL84K
Code ID................................. : 0x340E0102

Start Unit...
Error : ................................ : Error executing "Start Unit" command
Get Tech Sense
ErrCode         = 0x70
SenseKey        = 0x04
SenseCode       = 0x44
SenseCodeQual   = 0x00
KCQ             = 0x44400 = Hardware Error.  Internal Target Failure.
FRU             = 0x00
SnsKeySpcBits   = 0x00(invalid)
SnsKeySpcBytes  = 0x0000
UEC             = 0xF494 = SERVO: HARD MRR DAC out of range
VendUEInfo      = 0x0000
 
HDD State:
Inquiry Page 03...
micro Code ID   = V8GNW9U0
Servo PN        = 2401
Major/Minor ver = W9U0
Build Number    = 9U0
Build Date      = 11/30/22 16:37:52
Code ID         = 0x02010E34 ...
Product ID      = VL84K
Interface ID    = PLAI03GA
Code Type       = RELEASE
Compile Path    = Y:/ccb7/R9U0/library/VL84K
Operation state = 0x00000004, OM_SPINNING, Motor is started but reserved area is not loaded yet
PSID Lock       = 0x10 PSID locked
Functional Mode = 0x00, Normal Mode
Idle Functions  = 0x00
Degraded Reason = 0x00000000, No error
Broken Reason   = 0x00000000, No error
Code Mode       = 0x00, OM_FLASH, Drive is running flash code

WARNING! PSID Lock state!
 
Get Tech Sense
ErrCode         = 0x70
SenseKey        = 0x00
SenseCode       = 0x00
SenseCodeQual   = 0x00
KCQ             = 0x00000 = No error
FRU             = 0x00
SnsKeySpcBits   = 0x00(invalid)
SnsKeySpcBytes  = 0x0000
UEC             = 0x0000 = No error
VendUEInfo      = 0x0000
 
HDD State:
Inquiry Page 03...
micro Code ID   = V8GNW9U0
Servo PN        = 2401
Major/Minor ver = W9U0
Build Number    = 9U0
Build Date      = 11/30/22 16:37:52
Code ID         = 0x02010E34 ...
Product ID      = VL84K
Interface ID    = PLAI03GA
Code Type       = RELEASE
Compile Path    = Y:/ccb7/R9U0/library/VL84K
Operation state = 0x00000004, OM_SPINNING, Motor is started but reserved area is not loaded yet
PSID Lock       = 0x10 PSID locked
Functional Mode = 0x00, Normal Mode
Idle Functions  = 0x00
Degraded Reason = 0x00000000, No error
Broken Reason   = 0x00000000, No error
Code Mode       = 0x00, OM_FLASH, Drive is running flash code

WARNING! PSID Lock state!
 
SelectFam : none selected!
Tech PSID Auth.......................... : Error sending Auth PSID cmd
 
Tech ON................................. : Error sending Auth PSID cmd
 
Tech Reset.............................. : Error processing Tech Reset
 
ErrCode         = 0x70
SenseKey        = 0x07
SenseCode       = 0x20
SenseCodeQual   = 0x02
KCQ             = 0x72002 = Unknown
FRU             = 0x00
SnsKeySpcBits   = 0x00(invalid)
SnsKeySpcBytes  = 0x0000
UEC             = 0xF827 = Access denied
VendUEInfo      = 0x0000
 
Get Sense............................... : Ok
 
HDD State:
Inquiry Page 03...
0x0000     00 03 00 BC 00 00 00 00 00 00 00 00 00 00 00 00     ...¼............
0x0010     00 00 00 00 00 00 00 00 56 38 47 4E 57 39 55 30     ........V8GNW9U0
0x0020     00 00 00 00 32 34 30 31 57 39 55 30 30 30 30 01     ....2401W9U0000.
0x0030     39 55 30 00 31 31 2F 33 30 2F 32 32 20 31 36 3A     9U0.11/30/22 16:
0x0040     33 37 3A 35 32 00 00 00 00 00 00 00 00 00 00 00     37:52...........
0x0050     02 01 0E 34 56 4C 38 34 4B 00 00 00 50 4C 41 49     ...4VL84K...PLAI
0x0060     30 33 47 41 52 45 4C 45 41 53 45 00 62 6C 64 63     03GARELEASE.bldc
0x0070     72 65 77 00 00 00 00 00 66 6F 72 67 65 30 33 00     rew.....forge03.
0x0080     00 00 00 00 00 00 00 00 59 3A 2F 63 63 62 37 2F     ........Y:/ccb7/
0x0090     52 39 55 30 2F 6C 69 62 72 61 72 79 2F 56 4C 38     R9U0/library/VL8
0x00A0     34 4B 00 00 00 00 00 00 00 00 00 04 00 00 10 00     4K..............
0x00B0     00 00 00 00 00 00 00 00 00 00 00 00                 ............
 
micro Code ID   = V8GNW9U0
Servo PN        = 2401
Major/Minor ver = W9U0
Build Number    = 9U0
Build Date      = 11/30/22 16:37:52
Code ID         = 0x02010E34 ...
Product ID      = VL84K
Interface ID    = PLAI03GA
Code Type       = RELEASE
Compile Path    = Y:/ccb7/R9U0/library/VL84K
Operation state = 0x00000004, OM_SPINNING, Motor is started but reserved area is not loaded yet
PSID Lock       = 0x10 PSID locked
Functional Mode = 0x00, Normal Mode
Idle Functions  = 0x00
Degraded Reason = 0x00000000, No error
Broken Reason   = 0x00000000, No error
Code Mode       = 0x00, OM_FLASH, Drive is running flash code

WARNING! PSID Lock state!
 
Inquery P3.............................. : Ok
 
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Alandata Data Recovery -  (949)287-3282  
"Cleanroom Data Recovery of RAID, VMware, NAS, Linux, Tape, Disk, Forensics"

pbzcbf...@gmail.com

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Aug 28, 2026, 7:12:34 PMAug 28
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Where did the burning smell come from? Is the PCB native? Does the S/N match the label?

 

Alandata Recovery

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Aug 28, 2026, 8:07:20 PMAug 28
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the smell came from the adapter board in the external enclosure
power can kill heads
but  wouldnt expect that with the adapter

board matches and has no visible damage or smell


On Fri, Aug 28, 2026 at 4:12 PM pbzcbf...@gmail.com <pbzcbf...@gmail.com> wrote:
Where did the burning smell come from? Is the PCB native? Does the S/N match the label?

 

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pbzcbf...@gmail.com

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Aug 28, 2026, 9:07:25 PMAug 28
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Your HDD PCB (0B36131) has two levels of protection. The first consists of two TVS diodes and two fuses. The second consists of two e-fuses, 5V and 12V. It's hard to imagine an overvoltage getting past both defences.

Moreover, an overvoltage on the 12V supply targets the spindle motor and VCM side of the motor controller. The heads would be powered from +5V and -3V. The latter is generated by the 5V side of the motor controller.

If you can upload a photo of the bridge, we might be able to discern the path taken by the overvoltage.

Alandata Recovery

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Aug 31, 2026, 6:44:30 PMAug 31
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customer sent some good pics

On Mon, Aug 31, 2026 at 1:23 PM Alandata Recovery <in...@alandata.com> wrote:
customer sent some good pics


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Alandata Data Recovery -  (949)287-3282  
"Cleanroom Data Recovery of RAID, VMware, NAS, Linux, Tape, Disk, Forensics"
IMG_2276.jpeg
IMG_2275.jpeg

Alandata Recovery

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Aug 31, 2026, 6:44:53 PMAug 31
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2 more pics
IMG_2280.jpeg
IMG_2277.jpeg

pbzcbf...@gmail.com

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Aug 31, 2026, 7:35:25 PMAug 31
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There are two USB ports. One is protected by TVS diode D21. That has sustained an overvoltage on the 5V USB supply. If you remove D21, the port may come alive.

The other port is protected by TVS diode D20. That appears to be OK. Can you tell us its markings? I expect that D20 and D21 are identical.

In short, it doesn't appear that the AC adaptor was the culprit, so I can't see how the HDD could have been clobbered.

pbzcbf...@gmail.com

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Aug 31, 2026, 7:38:36 PMAug 31
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Never mind. I see that the part marking is "SM" or "5M".

pbzcbf...@gmail.com

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Aug 31, 2026, 7:59:14 PMAug 31
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I see that the 8-pin Nuvoton 3941S IC has a hole in it. This IC is a fan driver and is powered from a 12V supply. That must come from the adaptor.


How did the client manage to clobber the DC input and USB port at the same time? I don't get it.


Alandata Recovery

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Aug 31, 2026, 10:55:49 PMAug 31
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he said he plugged in the wrong adapter.

I imagine that he plugged in a 19v monitor or laptop jack by mistake

I dont have the bridge board.


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pbzcbf...@gmail.com

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Aug 31, 2026, 11:58:19 PMAug 31
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The Nuvoton IC has a maximum voltage rating of 19V. Maybe there are clues in the areas of the board that he hasn't shown us. 

Alandata Recovery

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Sep 14, 2026, 5:07:07 PMSep 14
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Hi

I just got another one of these doing the exact same thing.

Spins up
makes a quick chirp-chirp
ID's
Cant read
Makes no sounds of the recalibrating across the platters.
Its almost like they are stuck on the ramp.


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pbzcbf...@gmail.com

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Sep 20, 2026, 1:19:30 PMSep 20
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I seem to recall that the same chirping symptom happens after swapping a headstack between two working drives. To me this suggests that the firmware is interrogating the preamp and retrieving a serial number which it compares against a serial number in the ROM. If that is the case, then a head swap would be inconclusive because it would produce the same symptom.

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