Index: firmware/App/Controllers/Heaters.c
===================================================================
diff -u -r94789b2f2324d5901685b6ff7b6224d4af3a0276 -r2d295ca85f19e95da42476a57ca6b4496baf980a
--- firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision 94789b2f2324d5901685b6ff7b6224d4af3a0276)
+++ firmware/App/Controllers/Heaters.c	(.../Heaters.c)	(revision 2d295ca85f19e95da42476a57ca6b4496baf980a)
@@ -7,8 +7,8 @@
 *
 * @file    Heaters.c
 *
-* @author  (last)      Vinayakam Mani
-* @date    (last)      14-Apr-2026
+* @author  (last)      Sameer Kalliadan Poyil
+* @date    (last)      27-Apr-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  11-Oct-2024
@@ -722,12 +722,12 @@
             if ( D5_HEAT == heater )
             {
                 alarm       = ALARM_ID_DD_FLUID_TOO_LOW_WHILE_D5_HEAT_IS_ON;
-                isLevelLow  = ( ( getLevelStatus( D6_LEVL ) != 0 )? FALSE : TRUE );
+                isLevelLow  = ( ( getFloaterStatus( D6_LEVL ) != LVL_STATE_EMPTY ) ? FALSE : TRUE );
             }
             else
             {
                 alarm       = ALARM_ID_DD_FLUID_TOO_LOW_WHILE_D45_HEAT_IS_ON;
-                isLevelLow  = ( ( getLevelStatus( D46_LEVL ) != 0 )? FALSE : TRUE );
+                isLevelLow  = ( ( getLevelStatus( D46_LEVL ) != LEVEL_STATE_LOW ) ? FALSE : TRUE );
             }
 
             checkPersistentAlarm( alarm, isLevelLow, 0.0F, 0.0F );