GS1200-HP Firmware corrupted

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dan53
dan53 Posts: 2
First Comment
edited August 2022 in Switch
Hi, my GS1200-8-HP switch blinks 3 times after power up and is not working :(
I connected a 3.3V USB Serial Adapter to the connectors on the PCB. 
The output from the Terminal: 

-------------- GS608A Firmware -------------
------ Press "f" into firmware update ------
------- Press other key into boot up -------

== MAC Calculate Correct
== Boot Up After 3s
== Boot Up After 2s
== Boot Up After 1s


If i press "f" to upgrade i get this output: 
-------------- GS608A Firmware -------------
------ Press "f" into firmware update ------
------- Press other key into boot up -------

== MAC Calculate Correct
== Boot Up After 3s
== Upgrade GS608A App Now
== Erase Bank(0) ~ Bank(30)
CCCCCCCCCCCCCCCCCCCC

unfortunatelly i cannot send the firmware bin file with XMODEM. 

is there still a possibility to restore the firmware?

Thanks

All Replies

  • Zyxel_Derrick
    Zyxel_Derrick Posts: 126  Zyxel Employee
    First Anniversary Friend Collector First Answer First Comment
    edited September 2020
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    Hi @dan53

    Welcome to Zyxel community
    Friendly remind that opening the chassis will break the warranty and it is not recommended to do it by yourself. 
    Based on your description, please use XMODEM with 1K as the picture below and try to upload firmware again

    Thanks

    Best regards,
    Zyxel_Derrick
  • dan53
    dan53 Posts: 2
    First Comment
    Options
    1k was the solution, thank you very much.
    -------------- GS608A Firmware -------------
    ------ Press "f" into firmware update ------
    ------- Press other key into boot up -------

    == MAC Calculate Correct
    == Boot Up After 3s
    == Boot Up After 2s
    == Upgrade GS608A App Now
    == Erase Bank(0) ~ Bank(30)
    ----------------GS608A Start------------------

    I was able to flash the firmware, while flashing the system led flashes. Then it is off. I think it's more broken. The large heat sink gets relatively warm
  • Zyxel_Derrick
    Zyxel_Derrick Posts: 126  Zyxel Employee
    First Anniversary Friend Collector First Answer First Comment
    edited September 2020
    Options
    Hi @dan53

    Since you have successfully uploaded the firmware to switch but it still can't be powered up.
    I think the switch may be broken and please find the local reseller for repairing it
    Thanks

    Best regards,
    Zyxel_Derrick


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