Index: firmware/App/Controllers/DryBiCart.c
===================================================================
diff -u -r08ef85235ca795bb01a16b0352a4f3f4405333fa -rf723ec214199979298efb1f98f3e4c25fdfd5073
--- firmware/App/Controllers/DryBiCart.c	(.../DryBiCart.c)	(revision 08ef85235ca795bb01a16b0352a4f3f4405333fa)
+++ firmware/App/Controllers/DryBiCart.c	(.../DryBiCart.c)	(revision f723ec214199979298efb1f98f3e4c25fdfd5073)
@@ -657,7 +657,7 @@
 BOOL setBicarbChamberFillRequested( void )
 {
     BOOL result = FALSE;
-    BOOL requestStatus = getU32OverrideValue( &bicarbChamberFillRequested ) ||\
+    BOOL requestStatus = getU32OverrideValue( &dryBiCartFillRequested ) ||\
             getU32OverrideValue( &dryBiCartDrainRequested ) || \
             getU32OverrideValue( &dryBiCartDepressurizeRequested );
 
Index: firmware/App/Modes/ModePreGenDialysate.c
===================================================================
diff -u -r9b11048fec84e5340357e6d35376c12966f04079 -rf723ec214199979298efb1f98f3e4c25fdfd5073
--- firmware/App/Modes/ModePreGenDialysate.c	(.../ModePreGenDialysate.c)	(revision 9b11048fec84e5340357e6d35376c12966f04079)
+++ firmware/App/Modes/ModePreGenDialysate.c	(.../ModePreGenDialysate.c)	(revision f723ec214199979298efb1f98f3e4c25fdfd5073)
@@ -53,7 +53,7 @@
 #define PRE_GEN_PRIME_CONCENTRATE_PUMP_SPEED                100.0F
 #define PRE_GEN_PRIME_CONCENTRATE_VOLUME                    0xFFFF
 #define PRE_GEN_PRIME_BAL_CHAMBER_CONCENTRATE_PUMP_SPEED    60.0F
-#define PRE_GEN_PRIME_D12_RPM                               1500.0F
+#define PRE_GEN_PRIME_D12_RPM                               1600.0F
 #define PRE_GEN_PRIME_D48_RPM                               2000.0F
 #define PRE_GEN_PRIME_DIALYZER_CONCENTRATE_PUMP_SPEED       30.0F
 
@@ -328,12 +328,13 @@
         {
             preGenfillChamberCTimer = getMSTimerCount();
             setDialysatePumpTargetRPM( D12_PUMP, PRE_GEN_PRIME_D12_RPM, TRUE );
+            setValveState( D14_VALV, VALVE_STATE_OPEN );
             startPreGenHydroStabilityTimer = TRUE;
         }
 
         if ( TRUE == didTimeout( preGenfillChamberCTimer, PRE_GEN_FILL_HYDRO_CHAMBER_STABILITY_TIMER ) )
         {
-            state  = DD_PRE_GEN_FILL_CHAMBER_F;
+            state  = DD_PRE_GEN_DRY_BICART_INITIAL_FILL;
 
             //TODO: Rework disable dry bicarb config. Currently skipping
             // all concentrate related priming