Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -r4f5933d8140837732d697e8a00bd92aa7ecc50fb -rb346e423fffa704d73c1fee7c98e85d87ae13cda
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 4f5933d8140837732d697e8a00bd92aa7ecc50fb)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision b346e423fffa704d73c1fee7c98e85d87ae13cda)
@@ -448,9 +448,9 @@
     // Set all the actuators to reset and de-energized state
     deenergizeActuators();
 
-    // If the inlet pressure is less than the threshold and TDi and TRo difference is greater than 3 C, the cycle
+    // If the inlet pressure is less than or equal to the threshold or TDi and TRo difference is greater than 3 C, the cycle
     // should be canceled
-    if ( ( ppiPressure < MIN_INLET_PRESSURE_PSI ) && ( fabs( TDiTemp - TRoTemp ) > MAX_START_STATE_TEMP_SENSORS_DIFF_C ) )
+    if ( ( ppiPressure <= MIN_INLET_PRESSURE_PSI ) || ( fabs( TDiTemp - TRoTemp ) > MAX_START_STATE_TEMP_SENSORS_DIFF_C ) )
     {
         prevHeatDisinfectState      = state;
         alarmDetectedPendingTrigger = ALARM_ID_DG_HEAT_DISINFECT_INLET_PRES_AND_TEMP_SNSRS_OUT;