Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r14be630db3ca775cc0e76669b585f62f00ae518e -rba722a0dbb0c653e1b4b9c86ea67b89609aa195c
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 14be630db3ca775cc0e76669b585f62f00ae518e)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision ba722a0dbb0c653e1b4b9c86ea67b89609aa195c)
@@ -479,13 +479,13 @@
 
 /*********************************************************************//**
  * @brief
- * The signalUserInitiateChemcialDisinfectFlushMode function handles user
+ * The signalUserInitiateChemicalDisinfectFlushMode function handles user
  * initiation of chemical disinfect flush mode.
  * @details Inputs: currentStandbyState
  * @details Outputs: chemDisinfectFlushStartReqReceived, currentStandbyState
  * @return TRUE if signal accepted, FALSE if not
  *************************************************************************/
-BOOL signalUserInitiateChemcialDisinfectFlushMode( void )
+BOOL signalUserInitiateChemicalDisinfectFlushMode( void )
 {
     BOOL result                            = FALSE;
     REQUEST_REJECT_REASON_CODE_T rejReason = REQUEST_REJECT_REASON_NOT_ALLOWED_IN_CURRENT_MODE;
@@ -496,10 +496,16 @@
         {
             if ( TRUE == isDGCommunicating() )
             {
-                setRequestedCleaningMode( DG_MODE_CHFL );
-                result              = TRUE;
-                currentStandbyState = STANDBY_WAIT_FOR_DISINFECT_STATE;
-                rejReason           = REQUEST_REJECT_REASON_NONE;
+                // Assume chemical disinfect is not enabled in institutional record unless otherwise has been specified.
+                rejReason = REQUEST_REJECT_REASON_CHEM_DISINFECT_NOT_ENABLED_INST_CONFIG;
+
+                if ( TRUE == isChemDisinfectEnabledInInstitRecord() )
+                {
+                    setRequestedCleaningMode( DG_MODE_CHFL );
+                    result              = TRUE;
+                    currentStandbyState = STANDBY_WAIT_FOR_DISINFECT_STATE;
+                    rejReason           = REQUEST_REJECT_REASON_NONE;
+                }
             }
             else
             {
Index: firmware/App/Modes/ModeStandby.h
===================================================================
diff -u -r736cc5b56cc9c784ab1d8fc8687a73d190c35759 -rba722a0dbb0c653e1b4b9c86ea67b89609aa195c
--- firmware/App/Modes/ModeStandby.h	(.../ModeStandby.h)	(revision 736cc5b56cc9c784ab1d8fc8687a73d190c35759)
+++ firmware/App/Modes/ModeStandby.h	(.../ModeStandby.h)	(revision ba722a0dbb0c653e1b4b9c86ea67b89609aa195c)
@@ -43,7 +43,7 @@
 BOOL signalUserInitiateFlushMode( void );
 BOOL signalUserInitiateHeatDisinfectMode( void );
 BOOL signalUserInitiateChemicalDisinfectMode( void );
-BOOL signalUserInitiateChemcialDisinfectFlushMode( void );
+BOOL signalUserInitiateChemicalDisinfectFlushMode( void );
 BOOL signalUserInitiateROPermeateSampleMode( void );
 BOOL signalInitiateStandbyDisinfectSubmode( U32 cmd );
 void signalROPermeateSampleDGReadyToDispense( void );
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rf5d4fecd7b937ddf8e8b4ef3372541e79c7a44fc -rba722a0dbb0c653e1b4b9c86ea67b89609aa195c
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision f5d4fecd7b937ddf8e8b4ef3372541e79c7a44fc)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ba722a0dbb0c653e1b4b9c86ea67b89609aa195c)
@@ -855,7 +855,7 @@
         }
         else if ( DG_DISINFECT_CHEM_FLUSH_STATE == cmd )  // Command 3 = chemical disinfect flush
         {
-            result = signalUserInitiateChemcialDisinfectFlushMode();
+            result = signalUserInitiateChemicalDisinfectFlushMode();
         }
         else if ( DG_DISINFECT_RO_PERMEATE_SAMPLE_STATE == cmd ) // Command 4 = RO permeate sample
         {