Index: PersistentAlarm.h
===================================================================
diff -u -rb3b86e2878be42dac011ea808f114c085e99fe9e -r16d2ebbc1acc9c8e9857bbda30d2827aa69706e1
--- PersistentAlarm.h	(.../PersistentAlarm.h)	(revision b3b86e2878be42dac011ea808f114c085e99fe9e)
+++ PersistentAlarm.h	(.../PersistentAlarm.h)	(revision 16d2ebbc1acc9c8e9857bbda30d2827aa69706e1)
@@ -34,7 +34,6 @@
 typedef enum PersistentAlarm
 {
 #ifdef _HD_
-    PERSISTENT_ALARM_AIR_TRAP_ILLEGAL_LEVELS,           ///< Air trap level sensors reporting illegal value combination
 #endif
 #ifdef _DG_
     PERSISTENT_ALARM_INLET_WATER_HIGH_TEMPERATURE,      ///< Inlet water high temperature persistent alarm