Index: dialin/ui/hd_simulator_alarms.py
===================================================================
diff -u -r703231f83070516744deb638547eda07aa9d02a7 -r88b7bc481ed3ee3759eaf6d008f921db5aa84230
--- dialin/ui/hd_simulator_alarms.py	(.../hd_simulator_alarms.py)	(revision 703231f83070516744deb638547eda07aa9d02a7)
+++ dialin/ui/hd_simulator_alarms.py	(.../hd_simulator_alarms.py)	(revision 88b7bc481ed3ee3759eaf6d008f921db5aa84230)
@@ -387,8 +387,6 @@
             self.logger.debug("Alarm Silence Request Cancel {0}".format(request))
             self.flags = self.flags & ~2 ** 9
 
-        self.cmd_send_acknowledge(message)
-
     def cmd_alarm_condition_cleared(self, alarm_id: int):
         """
         Sends the alarm condition cleared message
@@ -412,7 +410,6 @@
             message['message'][MsgFieldPositions.START_POS_FIELD_1:MsgFieldPositions.END_POS_FIELD_1]))[0]
 
         self.logger.debug("User response to alarm: {0}".format(response))
-        self.cmd_send_acknowledge(message)
         if self.clear_after_user_action:
             self.cmd_send_clear_alarms()