Index: firmware/App/Modes/ModeHeatDisinfectActiveCool.c
===================================================================
diff -u -r2506b1a359d91876cec47d2e1f942b24951f0422 -r7e1e7d1d8553ed24fe0460aa1c3bdbeb297a60e4
--- firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision 2506b1a359d91876cec47d2e1f942b24951f0422)
+++ firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision 7e1e7d1d8553ed24fe0460aa1c3bdbeb297a60e4)
@@ -40,7 +40,7 @@
 #define HEAT_DISINFECT_ACTIVE_COOL_MAX_RO_PRESSURE_PSI  40                                                          ///< Heat disinfect active cool maximum RO pressure in psi.
 #define TARGET_THD_SENSOR_FOR_RINSING_C                 44.0F                                                       ///< Target THd temperature sensor value before rinsing in C.
 #define ROF_COOL_DOWN_CIRCULATION_TIME_MS               ( 2 * SEC_PER_MIN * MS_PER_SECOND )                         ///< RO filter cool down circulation timer in milliseconds.
-#define ROF_COOL_DOWN_MAX_TIME_MS                       ( 180 * SEC_PER_MIN * MS_PER_SECOND )                       ///< RO filter cool down maximum state time in milliseconds.
+#define ROF_COOL_DOWN_MAX_TIME_MS                       ( 300 * SEC_PER_MIN * MS_PER_SECOND )                       ///< RO filter cool down maximum state time in milliseconds.
 
 static DG_HEAT_DISINFECT_ACTIVE_COOL_STATE_T heatDisinfectActiveCoolState;                                          ///< Mode heat disinfect active cool state.
 static DG_HEAT_DISINFECT_ACTIVE_COOL_STATE_T heatDisinfectActiceCoolPrevState;                                      ///< Mode heat disinfect active cool previous state.