Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -rf760ffc4b10556e5186e9ceb90294262063440ca -ra9c1eee2bed2b569a6f32cbc5e80c4631559d683
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision f760ffc4b10556e5186e9ceb90294262063440ca)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision a9c1eee2bed2b569a6f32cbc5e80c4631559d683)
@@ -40,7 +40,7 @@
 // ********** private definitions **********
 
 #define MAX_UF_RATE_ML_PER_HOUR                 2750.0F                         ///< Maximum ultrafiltration rate in mL/hour
-#define MAX_UF_ACCURACY_ERROR_ML                250.0F                          ///< Maximum ultrafiltration accuracy error in mL over the entire treatment.
+#define MAX_UF_ACCURACY_ERROR_ML                50.0F                           ///< Maximum ultrafiltration accuracy error in mL over the entire treatment.
 /// Saline bolus data broadcast interval (ms/task time) count.
 static const U32 SALINE_BOLUS_DATA_PUB_INTERVAL = ( MS_PER_SECOND / TASK_GENERAL_INTERVAL );
 /// Ultrafiltration rate accuracy check interval count.
@@ -1061,7 +1061,7 @@
     }
 
     // Check total UF volume error
-    if ( ( fabs( refUFVolume - measUFVolume ) ) > (F32)MAX_UF_ACCURACY_ERROR_ML )
+    if ( ( fabs( refUFVolume - measUFVolume ) ) > MAX_UF_ACCURACY_ERROR_ML )
     {
 #ifndef _RELEASE_
         if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_ULTRAFILTRATION_ALARMS ) != SW_CONFIG_ENABLE_VALUE )