Index: firmware/App/Services/DDInterface.c
===================================================================
diff -u -rb5bdf7651e9adbcd91a28fe13ccb70c02b339c90 -rfce2e627485957d4f8353d20bbab3e1ff30cb447
--- firmware/App/Services/DDInterface.c	(.../DDInterface.c)	(revision b5bdf7651e9adbcd91a28fe13ccb70c02b339c90)
+++ firmware/App/Services/DDInterface.c	(.../DDInterface.c)	(revision fce2e627485957d4f8353d20bbab3e1ff30cb447)
@@ -108,6 +108,14 @@
     ddStarted                                 = FALSE;
     ddStartCommandSent                        = FALSE;
 
+    preGenDialysateCmdSet.start               = FALSE;
+    preGenDialysateCmdSet.dialRate            = 0.0F;
+    preGenDialysateCmdSet.dialTemp            = 0.0F;
+    preGenDialysateCmdSet.acidConvFactor      = 0.0F;
+    preGenDialysateCmdSet.bicarbConvFactor    = 0.0F;
+    preGenDialysateCmdSet.sodium              = 0;
+    preGenDialysateCmdSet.bicarbonate         = 0;
+
     dialysateDeliveryCmdSet.start             = FALSE;
     dialysateDeliveryCmdSet.dialRate          = 0.0F;
     dialysateDeliveryCmdSet.ufRate            = 0.0F;