Index: PersistentAlarm.h
===================================================================
diff -u -r7c49409b1bfeee8fd788fe1cd2a6dbf2abda7fea -r53b161612e5c0c54d5be876d3bccd9e57fe578b4
--- PersistentAlarm.h	(.../PersistentAlarm.h)	(revision 7c49409b1bfeee8fd788fe1cd2a6dbf2abda7fea)
+++ PersistentAlarm.h	(.../PersistentAlarm.h)	(revision 53b161612e5c0c54d5be876d3bccd9e57fe578b4)
@@ -50,6 +50,7 @@
     PERSISTENT_ALARM_RO_PUMP_FLOW_RATE_OUT_OF_RANGE,                ///< RO pump flow rate out of range
     PERSISTENT_ALARM_CP1_SPEED_CONTROL_ERROR,                       ///< Concentrate pump CP1 speed control error
     PERSISTENT_ALARM_CP2_SPEED_CONTROL_ERROR,                       ///< Concentrate pump CP2 speed control error
+    PERSISTENT_ALARM_DRAIN_PUMP_RPM_OUT_OF_RANGE,       	    ///< Drain pump RPM out of range
 #endif
     NUM_OF_PERSISTENT_ALARM                                         ///< Number of persistent alarms
 } PERSISTENT_ALARM_T;