Index: dialin/dg/dialysate_generator.py
===================================================================
diff -u -r1695d3e7019ee94bb9072d08fc191b5b7e127992 -r4e69a37131dfa9b2a4bce58208560df3314c3db8
--- dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision 1695d3e7019ee94bb9072d08fc191b5b7e127992)
+++ dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision 4e69a37131dfa9b2a4bce58208560df3314c3db8)
@@ -152,8 +152,8 @@
                                                                        MsgIds.MSG_ID_DG_VERSION.value,
                                                                        self._handler_dg_version)
 
-            self.callback_id = self.can_interface.register_transmitting_interval_message(INTERVAL_10s,
-                                                                      self._send_dg_checkin_message)
+            #self.callback_id = self.can_interface.register_transmitting_interval_message(INTERVAL_10s,
+            #                                                          self._send_dg_checkin_message)
 
         # initialize variables that will be populated by DG version response
         self.dg_version = None
Index: dialin/hd/hemodialysis_device.py
===================================================================
diff -u -r1695d3e7019ee94bb9072d08fc191b5b7e127992 -r4e69a37131dfa9b2a4bce58208560df3314c3db8
--- dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision 1695d3e7019ee94bb9072d08fc191b5b7e127992)
+++ dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision 4e69a37131dfa9b2a4bce58208560df3314c3db8)
@@ -121,8 +121,8 @@
                                                                        MsgIds.MSG_ID_HD_UI_VERSION_INFO_RESPONSE.value,
                                                                        self._handler_ui_version_response_sync)
 
-            self.callback_id = self.can_interface.register_transmitting_interval_message(INTERVAL_10s,
-                                                                                        self._send_hd_checkin_message)
+            #self.callback_id = self.can_interface.register_transmitting_interval_message(INTERVAL_10s,
+            #                                                                            self._send_hd_checkin_message)
 
         # create properties
         self.hd_op_mode_timestamp = 0.0