diff --git a/devices/clients/opcua_connection.py b/devices/clients/opcua_connection.py
index e880341922d93fa72695cbe413304f8ce61a5f87..1d1b1004c2a193d07542c6cdf8237da94ea9352b 100644
--- a/devices/clients/opcua_connection.py
+++ b/devices/clients/opcua_connection.py
@@ -142,7 +142,6 @@ class OPCUAConnection(CommClient):
 		MANDATORY function: is used by the attribute wrapper to get read/write functions. must return the read and write functions
 		"""
 
-
 		# process the annotation
 		node = self._setup_annotation(annotation)
 
@@ -202,7 +201,4 @@ class ProtocolAttribute:
 			self.node.set_data_value(opcua.ua.uatypes.Variant(value=value, varianttype=self.ua_type))
 
 
-	def pass_func(self, value=None):
-		pass
-
 
diff --git a/devices/src/attribute_wrapper.py b/devices/src/attribute_wrapper.py
index 8a203eb36bf71861063eb98d25d4069cb9102257..436e7dba191afaaf2005f6b1cd39c2ee473bb187 100644
--- a/devices/src/attribute_wrapper.py
+++ b/devices/src/attribute_wrapper.py
@@ -130,12 +130,14 @@ class attribute_wrapper(attribute):
 		"""
 		try:
 			self.read_function, self.write_function = client.setup_attribute(self.comms_annotation, self)
-		except:
+		except Exception as e:
 			def pass_func(value=None):
 				pass
-			print("setting comm_client failed. using pass function instead")
+			logger.error("setting comm_client failed. using pass function instead")
 
 			self.read_function = pass_func
 			self.write_function = pass_func
 
+			raise Exception("Exception while setting comm_client read/write functions. using pass function instead. %s") from e
+