force noresponse exception if Iam is empty

BAC0/core/io/Read.py

@@ -144,6 +144,8 @@ async def read(
                     f"Trouble with Iam... Response received from {device_address} = {_iam}",
                     level="error",
                 )
+                if _iam == []:
+                    raise NoResponseFromController
             dic = await self.this_application.app.device_info_cache.get_device_info(
                 device_address
             )