Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -r483ebbb75171ec93ab24d1f69f83a6248376266f -r9e0db1f82f13693d251e00e8958c8063dd89cae6
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 483ebbb75171ec93ab24d1f69f83a6248376266f)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 9e0db1f82f13693d251e00e8958c8063dd89cae6)
@@ -465,7 +465,9 @@
 static BOOL isBalChamberTimeBasedSwitching( void )
 {
     BOOL state = FALSE;
-    state = ( getD48PumpSpeed() <= BAL_CHAMBER_TIME_BASED_D48_SPEED_RPM ) ? TRUE : FALSE;
+    F32 dialFlowRate = getBalChamberActiveDialysateFlowrate();
+    //state = ( getD48PumpSpeed() <= BAL_CHAMBER_TIME_BASED_D48_SPEED_RPM ) ? TRUE : FALSE;
+    state = ( dialFlowRate <= BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_3 )? TRUE : FALSE;
 
     return state;
 }