Обновление прошивки WB-MWAC v.2

При обновлении прошивки WB-MWAC v.2 с 1.21.5 на 1.21.6 процесс обновления застопорился на 4% и висит так уже более 20 минут.
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DEBUG логи:

|15-05-2025 13:06:01.252 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 764 us|
|---|---|
|15-05-2025 13:06:01.247 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Write: 60 06 00 72 00 01 e0 60|
|15-05-2025 13:06:01.247 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 0 us|
|15-05-2025 13:06:01.247 [wb-mqtt-serial]|DEBUG: [modbus] write 1 (type 0)(s) @ 114 of device </dev/ttyRS485-1 115200 8 N 2> modbus:96|
|15-05-2025 13:06:01.247 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 8000 us|
|15-05-2025 13:06:01.247 [wb-mqtt-serial]|DEBUG: [serial client] </dev/ttyRS485-1 115200 8 N 2>5169051478: Wait until 5169051478|
|15-05-2025 13:06:01.247 [wb-mqtt-serial]|DEBUG: [serial client] </dev/ttyRS485-1 115200 8 N 2>5169051478: Wait until 5169051478|
|15-05-2025 13:06:01.246 [wb-mqtt-serial]|DEBUG: [serial client] Failed to open session: Serial protocol error: request timed out [slave_id is </dev/ttyRS485-1 115200 8 N 2> modbus:96]|
|15-05-2025 13:06:01.213 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 764 us|
|15-05-2025 13:06:01.212 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Write: 60 06 00 72 00 01 e0 60|
|15-05-2025 13:06:01.212 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 0 us|
|15-05-2025 13:06:01.212 [wb-mqtt-serial]|DEBUG: [modbus] write 1 (type 0)(s) @ 114 of device </dev/ttyRS485-1 115200 8 N 2> modbus:96|
|15-05-2025 13:06:01.212 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 8000 us|
|15-05-2025 13:06:01.212 [wb-mqtt-serial]|DEBUG: [serial client] </dev/ttyRS485-1 115200 8 N 2>5169051443: Wait until 5169051443|
|15-05-2025 13:06:01.211 [wb-mqtt-serial]|DEBUG: [serial client] Failed to open session: Serial protocol error: request timed out [slave_id is </dev/ttyRS485-1 115200 8 N 2> modbus:96]|
|15-05-2025 13:06:01.201 [wb-mqtt-serial]|DEBUG: [serial client] </dev/ttyRS485-2 9600 8 N 2>5169051432: Wait until 5169051532|
|15-05-2025 13:06:01.201 [wb-mqtt-serial]|DEBUG: [serial client] </dev/ttyRS485-2 9600 8 N 2>5169051432: Wait until 5169051532|
|15-05-2025 13:06:01.178 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 764 us|
|15-05-2025 13:06:01.177 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Write: 60 06 00 72 00 01 e0 60|
|15-05-2025 13:06:01.177 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 0 us|
|15-05-2025 13:06:01.177 [wb-mqtt-serial]|DEBUG: [modbus] write 1 (type 0)(s) @ 114 of device </dev/ttyRS485-1 115200 8 N 2> modbus:96|
|15-05-2025 13:06:01.177 [wb-mqtt-serial]|DEBUG: [port] /dev/ttyRS485-1: Sleep 8000 us|
|15-05-2025 13:06:01.177 [wb-mqtt-serial]|DEBUG: [serial client] </dev/ttyRS485-1 115200 8 N 2>5169051408: Wait until 5169051408|
|15-05-2025 13:06:01.177 [wb-mqtt-serial]|DEBUG: [serial client] Failed to open session: Serial protocol error: request timed out [slave_id is </dev/ttyRS485-1 115200 8 N 2> modbus:96]|

В итоге обновил руками через “wb-mcu-fw-updater recover …”