Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r487d3524cbf3b50dad1308fc1f68b733cc00c4cd -r9d8170a50fb293c76c5c1f1875ab3792c2b8fb50
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 487d3524cbf3b50dad1308fc1f68b733cc00c4cd)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 9d8170a50fb293c76c5c1f1875ab3792c2b8fb50)
@@ -514,7 +514,7 @@
     }
     else
     {   // Alarm if not receiving new dialysate flow readings in timely manner
-        if ( ( TRUE == isDGCommunicating() ) && ( isACPowerLost() != TRUE ) )
+        if ( ( TRUE == isDGCommunicating() ) && ( FALSE == isACPowerLost() ) )
         {
             if ( ++dialysateFlowDataFreshStatusCounter > DIP_DIALYSATE_FLOW_DATA_ALARM_THRESHOLD )
             {