Firmware installation failure with OTA_v5.1.2

[sangmin4883]

Hi @jeremypoulter, @matth-x,

I hope this message finds you well. I'm reaching out for the first time and truly appreciate your time and support.

Fw ver : v5.1.2
Issue : Firmware installation failure with OTA
using tool : FileZilla (SFTP)
Summary :
I'm trying to update my charger to v5.1.2 using the OTA function. As shown in the log below, the update progresses up to 106%, then resets to 0%, followed by a status message "InstallationFailed". Could you help me understand what might be causing this issue?

Update: 100% Update: 101% Update: 102% Update: 103% [MO] Recv: [2, "857a198a-bfc5-4b9c-b96e-61d8bffddf71", "Reset", {"type":"Hard"}] [MO] Send: [3,"857a198a-bfc5-4b9c-b96e-61d8bffddf71",{"status":"Accepted"}] Update: 104% Update: 105% Update: 106% [ocpp] Update failed. Error code: -2 Update Start: https://download.evmode.kr/firmware.bin 1841392 Update: 0% [ocpp] Update failed. Error code: -3 [MO] info (FirmwareService.cpp:187): Installation timeout or failed! Retry Update Start: https://download.evmode.kr/firmware.bin 1841392 [ocpp] Update failed. Error code: -2 Update Start: https://download.evmode.kr/firmware.bin 1841392 [ocpp] Update failed. Error code: -3 [MO] Send: [2,"948dfbbe-385c-3594-dfbb-f3866bce62ee","FirmwareStatusNotification",{"status":"InstallationFailed"}]

Firmware Update (OTA)-Install.txt