Index: firmware/App/Controllers/Heaters.c
===================================================================
diff -u -r3b3833a0b1aed89f1ff66104519f658f5a41fa99 -ra14bc308c72272ce0275d263cf010c90d8a37355
--- firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision 3b3833a0b1aed89f1ff66104519f658f5a41fa99)
+++ firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision a14bc308c72272ce0275d263cf010c90d8a37355)
@@ -20,6 +20,7 @@
 //#include "DDDefs.h"
 #include "FpgaDD.h"
 #include "Heaters.h"
+#include "Level.h"
 #include "MessageSupport.h"
 #include "Messaging.h"
 //#include "NVDataMgmt.h"
@@ -358,12 +359,12 @@
             if ( DD_PRIMARY_HEATER == heater )
             {
                 alarm       = ALARM_ID_DD_FLUID_TOO_LOW_WHILE_PRIMARY_HEATER_IS_ON;
-                //isLevelLow  = getFloaterLevelStatus();
+                isLevelLow  = ( ( getLevelStatus( FLOATER_1 ) != 0 )? FALSE : TRUE );
             }
             else
             {
                 alarm     = ALARM_ID_DD_FLUID_TOO_LOW_WHILE_TRIMMER_HEATER_IS_ON;
-                //isLevelLow  = getBalanceAirSeparationLevelStatus();
+                isLevelLow  = ( ( getLevelStatus( SPENT_DIALYSATE_LEVEL ) != 0 )? FALSE : TRUE );
             }
 
             checkPersistentAlarm( alarm, isLevelLow, 0.0F, 0.0F );