Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -r5459a8a8b011c5956feb83c14fa98091287be7ac -rddad43bbd6e1708cbb3cf27be80299781f1749cc
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision 5459a8a8b011c5956feb83c14fa98091287be7ac)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision ddad43bbd6e1708cbb3cf27be80299781f1749cc)
@@ -1791,7 +1791,7 @@
     }
 
     // Check the temperature and conductivity of the diluted disinfectant
-    if ( ( chemDisinfectState >= DG_CHEM_DISINFECT_STATE_DISINFECTANT_FLUSH ) && ( chemDisinfectState <= DG_CHEM_DISINFECT_STATE_PARTIAL_DRAIN_R2_FILL_R1_TO_R2 ) )
+    if ( ( chemDisinfectState > DG_CHEM_DISINFECT_STATE_DISINFECTANT_FLUSH ) && ( chemDisinfectState <= DG_CHEM_DISINFECT_STATE_PARTIAL_DRAIN_R2_FILL_R1_TO_R2 ) )
     {
         // Disinfect conditions check
         F32 TPoTemp          = getTemperatureValue( TEMPSENSORS_OUTLET_PRIMARY_HEATER );