Hi, I have an issue with nrf52DK, I cannod flash new version of my software. I have an error in VS Code:
* Executing task: nRF Connect: Flash: Aurora-nrf52/Aurora-nrf52 (active)
Flashing Aurora-nrf52 to NRF52DK_1
west flash -d c:\Users\PrzemyslawKrukowski\Projects\Aurora-nrf52\build --domain Aurora-nrf52 --dev-id 1050382316 --erase
-- west flash: rebuilding
[0/5] Performing build step for 'Aurora-nrf52'
ninja: no work to do.
[4/5] cmd.exe /C "cd /D C:\Users\PrzemyslawKrukowski\Projects\Aurora-nrf52\build\_sysbuild && C:\ncs\toolchains\0b393f9e1b\opt\bin\cmake.exe -E true"
-- west flash: using runner nrfutil
-- runners.nrfutil: mass erase requested
-- runners.nrfutil: reset after flashing requested
-- runners.nrfutil: Flashing file: C:\Users\PrzemyslawKrukowski\Projects\Aurora-nrf52\build\merged.hex
Error: One or more batch tasks failed:
* 1050382316: Timed out waiting for response from worker. (Generic)
FATAL ERROR: command exited with status 1: nrfutil --json device x-execute-batch --batch-path 'C:\Users\PrzemyslawKrukowski\Projects\Aurora-nrf52\build\generated_nrfutil_batch.json' --serial-number 10
50382316
* The terminal process terminated with exit code: 1.
* Terminal will be reused by tasks, press any key to close it.
In nRF Connect, when trying to flash "Hello World", I have: "Failed to erase device", with log:
2025-11-04T12:23:06.733Z INFO Initialising the bundled nrfutil device
2025-11-04T12:23:06.740Z DEBUG Started watching devices
2025-11-04T12:23:07.115Z INFO Using the bundled core version for nrfutil device: 8.1.1
2025-11-04T12:23:07.138Z INFO Using nrfutil device version: 2.13.2
2025-11-04T12:23:07.138Z INFO Using nrf-device-lib version: 0.19.0
2025-11-04T12:23:07.138Z INFO Using nrf-probe version: 0.45.0
2025-11-04T12:23:07.138Z INFO Using SEGGER J-Link version: JLink_V8.60
2025-11-04T12:23:09.781Z DEBUG Selected device: nRF52 DK
2025-11-04T12:23:09.801Z DEBUG Changed step: Info
2025-11-04T12:23:11.029Z DEBUG Changed step: Rename
2025-11-04T12:23:12.060Z DEBUG Changed step: Program
2025-11-04T12:23:25.591Z ERROR Failed to initialize worker: Timed out waiting for response from worker.
2025-11-04T12:23:29.789Z ERROR Trace channel disconnected unexpectedly.
2025-11-04T12:23:29.790Z ERROR Worker exited with error code 1.
2025-11-04T12:23:43.989Z ERROR Failed to initialize worker: Timed out waiting for response from worker.
2025-11-04T12:23:48.184Z ERROR Trace channel disconnected unexpectedly.
2025-11-04T12:23:48.187Z ERROR Worker exited with error code 1.
2025-11-04T12:34:25.582Z ERROR Failed to initialize worker: Timed out waiting for response from worker.
2025-11-04T12:34:29.779Z ERROR Trace channel disconnected unexpectedly.
2025-11-04T12:34:29.789Z ERROR Worker exited with error code 1.
2025-11-04T12:36:17.517Z DEBUG Changed step: Rename
2025-11-04T12:36:18.963Z DEBUG Changed step: Info
2025-11-04T12:36:21.485Z DEBUG Changed step: Connect
What may be the cause and how to unbrick my NRF52DK device?
Best Regards
