cure_dump when Arduino disconnected

[MarvinBaral]

Apr 25 09:37:48 heating webserver.js[28415]: node: src/unix/stream.c:1531: uv_read_start: Assertion `stream->type == UV_TCP || stream->type == UV_NAME
Apr 25 09:37:48 heating webserver.js[28415]: (node:28415) DeprecationWarning: sys is deprecated. Use util instead.
Apr 25 09:37:45 heating systemd[1]: Started Webserver to control heating.
Apr 25 09:37:45 heating systemd[1]: Stopped Webserver to control heating.
Apr 25 09:37:45 heating systemd[1]: heating.service: Service hold-off time over, scheduling restart.
Apr 25 09:37:45 heating systemd[1]: heating.service: Failed with result 'core-dump'.
Apr 25 09:37:45 heating systemd[1]: heating.service: Unit entered failed state.
Apr 25 09:37:45 heating systemd[1]: heating.service: Main process exited, code=dumped, status=6/ABRT