Index: PersistentAlarm.h
===================================================================
diff -u -rc2a8753e28c1fb5870796912443b44a8f093d274 -r18b4f4a4739d63ddbe1f19caea4a4f14b7e58ae0
--- PersistentAlarm.h	(.../PersistentAlarm.h)	(revision c2a8753e28c1fb5870796912443b44a8f093d274)
+++ PersistentAlarm.h	(.../PersistentAlarm.h)	(revision 18b4f4a4739d63ddbe1f19caea4a4f14b7e58ae0)
@@ -56,12 +56,13 @@
     PERSISTENT_ALARM_RO_PUMP_PRESSURE_OUT_OF_RANGE,                 ///< RO pump pressure 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
+    PERSISTENT_ALARM_DRAIN_PUMP_RPM_OUT_OF_RANGE,       	        ///< Drain pump RPM out of range
     PERSISTENT_ALARM_THERMISTOR_TEMPERATURE_OUT_OF_RANGE,           ///< Thermistor temperature out of range persistent alarm
     PERSISTENT_ALARM_FANS_RPM_OUT_RANGE,                            ///< Fans RPM out of range persistent alarm
     PERSISTENT_ALARM_TEMP_SENSORS_INTERNAL_ERROR,                   ///< Temperature sensors internal error alarm
     PERSISTENT_ALARM_TEMP_SENSORS_FPGA_ERROR,                       ///< Temperature sensors FPGA error alarm
     PERSISTENT_ALARM_UV_REACTOR_UNHEALTHY,                          ///< UV reactor unhealthy persistent alarm
+    PERSISTENT_ALARM_DRAIN_PUMP_OFF_ERROR,                          ///< Drain pump off error for safety shutdown
 #endif
     NUM_OF_PERSISTENT_ALARM                                         ///< Number of persistent alarms
 } PERSISTENT_ALARM_T;