Index: firmware/App/Modes/StateTxDialysis.c
===================================================================
diff -u -r6f02ff4686ec9dfc60247e9ed3fc9c5cc7771543 -rf0ea13c1a9908920793be07a946dc366d2ab5019
--- firmware/App/Modes/StateTxDialysis.c	(.../StateTxDialysis.c)	(revision 6f02ff4686ec9dfc60247e9ed3fc9c5cc7771543)
+++ firmware/App/Modes/StateTxDialysis.c	(.../StateTxDialysis.c)	(revision f0ea13c1a9908920793be07a946dc366d2ab5019)
@@ -252,14 +252,14 @@
     response.rejectionReason = REQUEST_REJECT_REASON_NONE;
 
     // Verify payload length is valid
-    if ( sizeof( BOOL ) == message->hdr.payloadLen )
+    if ( sizeof( U32 ) == message->hdr.payloadLen )
     {
-        BOOL payload;
+        U32 requestedState = 0U;
 
-        memcpy( &payload, message->payload, sizeof( BOOL ) );
+        memcpy( &requestedState, message->payload, sizeof( U32 ) );
 
         // Handle request to resume ultrafiltration
-        if ( TRUE == payload )
+        if ( requestedState == 0U )
         {
             if ( ( MODE_TREA == currMode ) && ( TREATMENT_DIALYSIS_STATE == trtState ) && ( DIALYSIS_UF_PAUSED_STATE == currentDialysisState ) )
             {
@@ -287,13 +287,13 @@
             }
         }
         // Handle request to pause ultrafiltration
-        else
+        else if ( requestedState == 1U )
         {
             if ( ( MODE_TREA == currMode ) && ( TREATMENT_DIALYSIS_STATE == trtState ) && ( DIALYSIS_UF_STATE == currentDialysisState ) )
             {
                 ufPauseRequested = TRUE;
                 response.accepted = TRUE;
-                if ( setUFRateLHr > 0.0 )
+                if ( setUFRateLHr > 0.0F )
                 {
                     //sendTreatmentLogEventData( UF_PAUSE_EVENT, setUFRateLHr, 0.0 );
                 }
@@ -314,11 +314,15 @@
                 }
             }
         }
+        else
+            {
+                response.rejectionReason = REQUEST_REJECT_REASON_PARAM_OUT_OF_RANGE;
+            }
     }
     else
-    {
+        {
         response.rejectionReason = REQUEST_REJECT_REASON_PARAM_OUT_OF_RANGE;
-    }
+        }
 
     // Send response w/ reason code if rejected
     sendMessage( MSG_ID_TD_UF_PAUSE_RESUME_RESPONSE, COMM_BUFFER_OUT_CAN_TD_2_UI, (U08*)(&response), sizeof( UI_RESPONSE_PAYLOAD_T ) );