Index: dialin/hd/alarms.py
===================================================================
diff -u -r5400dea744738a3fed51b246038c93ebffcd914a -r5a14dc42b37cea08ade183148bd15fa9f07401d0
--- dialin/hd/alarms.py	(.../alarms.py)	(revision 5400dea744738a3fed51b246038c93ebffcd914a)
+++ dialin/hd/alarms.py	(.../alarms.py)	(revision 5a14dc42b37cea08ade183148bd15fa9f07401d0)
@@ -339,12 +339,14 @@
             message['message'][self.START_POS_ALARMS_FLAGS:self.END_POS_ALARMS_FLAGS]),
             byteorder=DenaliMessage.BYTE_ORDER)
 
+        # TODO this clears the alarm state even if the state is not cleared yet.
+        # TODO investigate this code
         # if no active alarms from HD, set all alarms (on Dialin side) to False in case we got out of sync
-        if self.alarm_top == 0:
-            for x in range(500):
-                self.alarm_states[x] = False
+        #if self.alarm_top == 0:
+        #    for x in range(500):
+        #        self.alarm_states[x] = False
 
-    @publish(["alarm_states","alarm_conditions"])
+    @publish(["alarm_states", "alarm_conditions"])
     def _handler_alarm_activate(self, message):
         """
         Handles published HD alarm activation messages.
@@ -357,31 +359,32 @@
         alarm_id = struct.unpack('<H', bytearray(message['message'][self.START_POS_ALARM_ID:self.END_POS_ALARM_ID]))
         self.alarm_states[alarm_id[0]] = True
         self.alarm_conditions[alarm_id[0]] = True
+        print('Alarm {}, {}'.format(alarm_id, self.alarm_states[alarm_id[0]]))
 
-    @publish(["alarm_states","alarm_conditions"])
+    @publish(["alarm_states", "alarm_conditions"])
     def _handler_alarm_clear(self, message):
         """
         Handles published HD alarm clear messages.
 
         @param message:  published HD alarm clear message
         @return: none
         """
-
         alarm_id = struct.unpack('<H', bytearray(message['message'][self.START_POS_ALARM_ID:self.END_POS_ALARM_ID]))
         self.alarm_states[alarm_id[0]] = False
-        self.alarm_conditions[alarm_id[0]] = False
+        #self.alarm_conditions[alarm_id[0]] = False # TODO why is this here? This function should only clear the state
 
-    @publish(["alarm_conditions","alarm_conditions"])
+    @publish(["alarm_conditions", "alarm_conditions"])
     def _handler_alarm_condition_clear(self, message):
         """
         Handles published HD alarm clear alarm condition messages.
 
         @param message:  published HD alarm clear alarm condition message
         @return: none
         """
-
         alarm_id = struct.unpack('<H', bytearray(message['message'][self.START_POS_ALARM_ID:self.END_POS_ALARM_ID]))
-        self.alarm_conditions[alarm_id[0]] = False
+        #self.alarm_conditions[alarm_id[0]] = False  # TODO this is also cleared when the user clicks on the alarm but
+        # TODO according to the definitions, condition must be cleared only when the actual condition like the rpm is
+        # TODO back in range
 
     @publish(["alarm_volume", "alarm_audio_curr_hg", "alarm_audio_curr_lg", "alarm_backup_audio_curr","safety_shutdown_active"])
     def _handler_alarm_information_sync(self, message):
Index: tests/dg_heat_and_chemical_disinfect_test.py
===================================================================
diff -u -ra0355d7ec27c00104dac97aadb2b76f69c89ce36 -r5a14dc42b37cea08ade183148bd15fa9f07401d0
--- tests/dg_heat_and_chemical_disinfect_test.py	(.../dg_heat_and_chemical_disinfect_test.py)	(revision a0355d7ec27c00104dac97aadb2b76f69c89ce36)
+++ tests/dg_heat_and_chemical_disinfect_test.py	(.../dg_heat_and_chemical_disinfect_test.py)	(revision 5a14dc42b37cea08ade183148bd15fa9f07401d0)
@@ -32,6 +32,7 @@
 from dialin.common.hd_defs import HDEventList
 from dialin.hd.reservoirs import HDReservoirStates
 from dialin.dg.reservoirs import DGReservoirsNames
+from dialin.common.alarm_defs import AlarmList
 from time import sleep
 from datetime import datetime
 import sys
@@ -634,7 +635,15 @@
     # collect_hd_treatment()
 
     #hd.fans.cmd_fans_rpm_alarm_start_time_override(24, 59, reset=1)
-    #hd.fans.cmd_fans_rpm_override(0, 1382.80, reset=0)
+    #hd.fans.cmd_fans_rpm_override(0, 1200.0, reset=1)
+    #sleep(3)
+    hd.fans.cmd_fans_rpm_override(0, 1200.0, reset=0)
+
+    while True:
+        print(hd.alarms.get_alarm_state(AlarmList.ALARM_ID_HD_FAN_RPM_OUT_OF_RANGE.value), hd.alarms.alarm_top,
+              hd.alarms.alarm_conditions[AlarmList.ALARM_ID_HD_FAN_RPM_OUT_OF_RANGE.value])
+        sleep(1)
+
     #dg.fans.cmd_fans_rpm_override(2, 5000)