Index: firmware/App/DDCommon.h
===================================================================
diff -u -rc90f3d61bde2a2b47d1048635be4dadf282e2195 -r96a8221c98260150306117d81107ac28c426857e
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision c90f3d61bde2a2b47d1048635be4dadf282e2195)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 96a8221c98260150306117d81107ac28c426857e)
@@ -52,7 +52,8 @@
 #define __HEATERS_DEBUG__         1
 
 //Uncomment below if D1 placement is used for Temp control at dialyzer
-#define __USE_D1_TEMP_     1
+//#define __USE_D1_TEMP_     1
+
 // comment below to disable bicarb multi level sensor for time based chamber F fill
 #define CONDUCTIVE_LEVEL_SENSOR_ENABLED  1