Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r8d44b80febc4574ce8f9adf91d04a6056c9de42e -re121c9aa3c07a60246e64f83c1dc7e93cf48c7f7
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 8d44b80febc4574ce8f9adf91d04a6056c9de42e)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision e121c9aa3c07a60246e64f83c1dc7e93cf48c7f7)
@@ -512,7 +512,7 @@
     }
     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 )
             {