Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rcbef3eeccf761b959283d027da24ac389df48434 -r87467f3b071eae26bc855e20e718acb159c648bb
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision cbef3eeccf761b959283d027da24ac389df48434)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 87467f3b071eae26bc855e20e718acb159c648bb)
@@ -8,7 +8,7 @@
 * @file    SystemCommMessages.c
 *
 * @author  (last)      Michael Garthwaite
-* @date    (last)      10-Aug-2023
+* @date    (last)      15-Aug-2023
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -28,6 +28,7 @@
 #include "FlowSensors.h"
 #include "FPGA.h"
 #include "Heaters.h"
+#include "Integrity.h"
 #include "ModeChemicalDisinfect.h"
 #include "ModeChemicalDisinfectFlush.h"
 #include "ModeDrain.h"
@@ -4945,4 +4946,36 @@
     sendUIResponseMsg( MSG_ID_DG_RO_ONLY_MODE_STATUS_RESPONSE, roMode, rejReason );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTestHDRAMStatusOverrideRequest function handles a request to
+ * override the RAM status register.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestDGRAMStatusOverrideRequest( MESSAGE_T* message )
+{
+    TEST_OVERRIDE_ARRAY_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( sizeof(TEST_OVERRIDE_ARRAY_PAYLOAD_T) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof(TEST_OVERRIDE_ARRAY_PAYLOAD_T) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetRAMStatusOverride( payload.index, payload.state.u32 );
+        }
+        else
+        {
+            result = testResetRAMStatusOverride( payload.index );
+        }
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/