Index: dialin/dg/dialysate_generator.py
===================================================================
diff -u -rb8a31f45a75637f358dd6b5ab6bb73da091e5582 -re69898c6d9addfd0745cb86345ea6684b6b47ce1
--- dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision b8a31f45a75637f358dd6b5ab6bb73da091e5582)
+++ dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision e69898c6d9addfd0745cb86345ea6684b6b47ce1)
@@ -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
@@ -344,8 +344,8 @@
             if received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] == 1:
                 self.logger.info("Successfully logged in to the DG.")
                 self.dg_set_logged_in_status(True)
-                #self._send_dg_checkin_message()  # Timer starts interval first
-                #self.can_interface.transmit_interval_dictionary[self.callback_id].start()
+                self._send_dg_checkin_message()  # Timer starts interval first
+                self.can_interface.transmit_interval_dictionary[self.callback_id].start()
             else:
                 self.logger.error("Log In Failed.")
             return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
Index: dialin/hd/hemodialysis_device.py
===================================================================
diff -u -rb8a31f45a75637f358dd6b5ab6bb73da091e5582 -re69898c6d9addfd0745cb86345ea6684b6b47ce1
--- dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision b8a31f45a75637f358dd6b5ab6bb73da091e5582)
+++ dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision e69898c6d9addfd0745cb86345ea6684b6b47ce1)
@@ -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
@@ -319,8 +319,8 @@
             if received_message['message'][DenaliMessage.PAYLOAD_START_INDEX] == 1:
                 self.logger.debug("Success: Logged In")
                 self.hd_set_logged_in_status(True)
-                #self._send_hd_checkin_message()  # Timer starts interval first
-                #self.can_interface.transmit_interval_dictionary[self.callback_id].start()
+                self._send_hd_checkin_message()  # Timer starts interval first
+                self.can_interface.transmit_interval_dictionary[self.callback_id].start()
             else:
                 self.logger.debug("Failure: Log In Failed.")
             return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
Index: dialin/utils/base.py
===================================================================
diff -u -r1695d3e7019ee94bb9072d08fc191b5b7e127992 -re69898c6d9addfd0745cb86345ea6684b6b47ce1
--- dialin/utils/base.py	(.../base.py)	(revision 1695d3e7019ee94bb9072d08fc191b5b7e127992)
+++ dialin/utils/base.py	(.../base.py)	(revision e69898c6d9addfd0745cb86345ea6684b6b47ce1)
@@ -314,6 +314,7 @@
     def start(self):
         if not self.is_running:
             self._timer = Timer(self.interval, self._run)
+            self._timer.daemon = True
             self._timer.start()
             self.is_running = True