Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rbc85a63a8b467a0d65328dfb689695590d5f2097 -rf248e95cb4a3187aee8d7e7ea773a0549ec7be30
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision bc85a63a8b467a0d65328dfb689695590d5f2097)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision f248e95cb4a3187aee8d7e7ea773a0549ec7be30)
@@ -8,7 +8,7 @@
 * @file    ModeChemicalDisinfect.c
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      30-Mar-2023
+* @date    (last)      04-May-2023
 *
 * @author  (original)  Sean
 * @date    (original)  04-Apr-2020
@@ -1672,8 +1672,9 @@
     if ( ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_CAPS_MONITOR ) != SW_CONFIG_ENABLE_VALUE ) && ( NELSON_NONE == nelsonSupport ) )
 #endif
     {
-        // If the dialysate cap is open during any state, alarm
-        if ( ( STATE_OPEN == getSwitchStatus( DIALYSATE_CAP ) ) && ( chemDisinfectState != DG_CHEM_DISINFECT_STATE_START ) )
+        // If the dialysate cap is closed during any state other the start state, alarm. In start state we are still looking for
+        // the user to insert the acid into the dialysate port and hit ok
+        if ( ( STATE_CLOSED == getSwitchStatus( DIALYSATE_CAP ) ) && ( chemDisinfectState != DG_CHEM_DISINFECT_STATE_START ) )
         {
             prevChemDisinfectState      = chemDisinfectState;
             chemDisinfectState          = DG_CHEM_DISINFECT_STATE_CANCEL_WATER_PATH;