Всем доброго дня.
Проводили регламент на оборудовании и соответственно всё было обесточено.
После включения два коммутатора не завелись. Индикатор питания постоянно горит, вентиляторы крутят на всю и ни один порт линк не поднимает.
Подключился консольником. Лог загрузки:

U-Boot 2012.10-svn17106 (Apr 13 2016 - 18:15:17)

I2C: ready
DEV ID = 0x8415
SKU ID = 0x8415
DDR type: DDR3
MEMC 0 DDR speed = 667MHz
PHY revision version: 0x00a1e003
ddr_init2: Calling soc_and28_shmoo_dram_info_set
ddr_init2: Calling soc_and28_shmoo_phy_init
A Series - PHY Initialization (PHY index: 00)
A01. Turn off CKE
A02. Configure timing parameters
A03. Configure PHY PLL
PHY PLL Configuration
Fref.............: 50 MHz
Data rate........: 1333 Mbps
PLL locked.
A04. Configure reference voltage
A05. Compute VDL step size
VDL calibration complete.
VDL step size....: 8.066 ps
UI size..........: 93.000 steps
A06. Configure ADDR/CTRL VDLs
A07. Disable Virtual VTT
A08. ZQ calibration
P drive..........: 0x11
N drive..........: 0x10
P termination....: 0x06
N termination....: 0x06
P idle...........: 0x00
N idle...........: 0x00
A09. Configure Static Pad Control
A10. Configure ODT
A11. Configure Write Pre-/Post-amble
A12. Configure Auto Idle
A13. Release PHY control
A Series - PHY Initialization complete (PHY index: 00)
Programming controller register
ddr_init2: MemC initialization complete
ddr_init2: Calling soc_and28_shmoo_ctl
Validate Shmoo parameters stored in flash ..... OK
Press Ctrl-C to run Shmoo ..... skipped
DDR Tuning Complete
Running simple memory test ..... OK
DDR Interface Ready
DRAM: 512 MiB
WARNING: Caches not enabled
Flash: PNOR flash is not present - switch decoding bit back for NAND
NAND: Micron MT29F1G08ABADA, 128 KiB blocks, 2 KiB pages, 16B OOB, 8-bit
NAND: chipsize 128 MiB
SF: Detected S25FL512S with page size 256 KiB, total 64 MiB
In: serial
Out: serial
Err: serial
Unlocking L2 Cache ...Done
arm_clk=600MHz, axi_clk=200MHz, apb_clk=50MHz, arm_periph_clk=300MHz
DDR Tuning Complete
Net: Registering eth
Broadcom BCM IPROC Ethernet driver 0.1
Using GMAC0 (0x18042000)
ERROR: could not get env ethaddr
et0: ethHw_chipAttach: Chip ID: 0x8415; phyaddr: 0x18
bcmiproc_eth-0
Warning: failed to set MAC address

========== relocate address: 0x7ff54000, offset 0x61f54000 ==========
Hit any key to stop autoboot: 0
Booting Active is STK1 Image

NAND read: device 0 offset 0x0, size 0x3200000
1 ecc_errors after reading 10c5000:10c5600
iproc_nand_read_page returned 2
NAND read from offset 0 failed -22
0 bytes read: ERROR

## Checking Image at 63a00074 ...
Legacy image found
Image Name: System for iproc_gh
Image Type: ARM Linux Multi-File Image (gzip compressed)
Data Size: 24172584 Bytes = 23.1 MiB
Load Address: 61008000
Entry Point: 61008000
Contents:
Image 0: 2231408 Bytes = 2.1 MiB
Image 1: 780549 Bytes = 762.3 KiB
Image 2: 474 Bytes = 474 Bytes
Image 3: 21160128 Bytes = 20.2 MiB
Verifying Checksum ... Bad Data CRC
STK1 Image validation failed.Booting FAIL!!!
Saving Environment to SPI Flash...
SF: Detected S25FL512S with page size 256 KiB, total 64 MiB
Erasing SPI flash...Writing to SPI flash...done
Booting Active is STK2 Image

NAND read: device 0 offset 0x3200000, size 0x3200000
1 ecc_errors after reading 3404000:3404400
iproc_nand_read_page returned 2
NAND read from offset 3200000 failed -22
0 bytes read: ERROR

## Checking Image at 63a00074 ...
Legacy image found
Image Name: System for iproc_gh
Image Type: ARM Linux Multi-File Image (gzip compressed)
Data Size: 24172584 Bytes = 23.1 MiB
Load Address: 61008000
Entry Point: 61008000
Contents:
Image 0: 2231408 Bytes = 2.1 MiB
Image 1: 780549 Bytes = 762.3 KiB
Image 2: 474 Bytes = 474 Bytes
Image 3: 21160128 Bytes = 20.2 MiB
Verifying Checksum ... Bad Data CRC
STK2 Image validation failed.Booting FAIL!!!
Booting Active is STK2 Image

NAND read: device 0 offset 0x3200000, size 0x3200000
1 ecc_errors after reading 3404000:3404400
iproc_nand_read_page returned 2
NAND read from offset 3200000 failed -22
0 bytes read: ERROR

## Checking Image at 63a00074 ...
Legacy image found
Image Name: System for iproc_gh
Image Type: ARM Linux Multi-File Image (gzip compressed)
Data Size: 24172584 Bytes = 23.1 MiB
Load Address: 61008000
Entry Point: 61008000
Contents:
Image 0: 2231408 Bytes = 2.1 MiB
Image 1: 780549 Bytes = 762.3 KiB
Image 2: 474 Bytes = 474 Bytes
Image 3: 21160128 Bytes = 20.2 MiB
Verifying Checksum ... Bad Data CRC
STK2 Image validation failed.Booting FAIL!!!
Saving Environment to SPI Flash...
Erasing SPI flash...Writing to SPI flash...done
Booting Active is STK1 Image

NAND read: device 0 offset 0x0, size 0x3200000
1 ecc_errors after reading 10c5000:10c5600
iproc_nand_read_page returned 2
NAND read from offset 0 failed -22
0 bytes read: ERROR

## Checking Image at 63a00074 ...
Legacy image found
Image Name: System for iproc_gh
Image Type: ARM Linux Multi-File Image (gzip compressed)
Data Size: 24172584 Bytes = 23.1 MiB
Load Address: 61008000
Entry Point: 61008000
Contents:
Image 0: 2231408 Bytes = 2.1 MiB
Image 1: 780549 Bytes = 762.3 KiB
Image 2: 474 Bytes = 474 Bytes
Image 3: 21160128 Bytes = 20.2 MiB
Verifying Checksum ... Bad Data CRC
STK1 Image validation failed.Booting FAIL!!!
u-boot>

Добрый день.

С такой проблемой Вам нужно обратиться в ближайший СЦ - https://www.dlink.ru/ru/contacts/