Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -r79474fa07bac40bf70d821cd473967a8d45ef6d2 -rf71cb5f589e0562036b36964ec6bc2258dccc926
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 79474fa07bac40bf70d821cd473967a8d45ef6d2)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision f71cb5f589e0562036b36964ec6bc2258dccc926)
@@ -1209,7 +1209,7 @@
         // Check spent fill time against the balancing chamber closing period
         diffSpentFillCompleteCount = balChamberValveClosePeriod - currentBalChamberFillCounter;
         absDiffSpentFillCount      = abs(diffSpentFillCompleteCount);
-        adjustedSpeed              = ( ( absDiffSpentFillCount / balChamberValveClosePeriod ) * getD48PumpSpeedForBCFill() ) * D48_SPEED_ADJUST_FACTOR;
+        adjustedSpeed              = ( ( (F32)absDiffSpentFillCount / (F32)balChamberValveClosePeriod ) * spentDialPumpSpeed ) * D48_SPEED_ADJUST_FACTOR;
 
         //Not adjust the D48 pump speed if the fill counter is just 50ms difference from the closing period.
         if ( absDiffSpentFillCount > SPENT_DIFF_COUNT_DEADBAND )
Index: firmware/App/DDCommon.h
===================================================================
diff -u -r4269f94fdfbd470d1a172784b4e2ccbb19ac92f2 -rf71cb5f589e0562036b36964ec6bc2258dccc926
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 4269f94fdfbd470d1a172784b4e2ccbb19ac92f2)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision f71cb5f589e0562036b36964ec6bc2258dccc926)
@@ -52,7 +52,7 @@
 //#define __BICARB_CHAMBER_FILL__   1
 
 //Uncomment below for Maxon controller speed change
-//#define __MAXON_SPEED_UPDATE__    1
+#define __MAXON_SPEED_UPDATE__    1
 
 //Uncomment below to disable heaters debug message
 #define __HEATERS_DEBUG__         1