Index: firmware/App/HDCommon.h
===================================================================
diff -u -rfcd12c3aa538b90a2ae19b9202bc5d847859a545 -r6982379266891326c9d45aecd7d54ad5c85ea69f
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision fcd12c3aa538b90a2ae19b9202bc5d847859a545)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 6982379266891326c9d45aecd7d54ad5c85ea69f)
@@ -49,7 +49,7 @@
 //    #define RUN_BP_OPEN_LOOP                1           // Run blood pump in open loop mode
 //    #define RUN_DPI_OPEN_LOOP               1           // Run dialysate inlet pump in open loop mode
     #define WORN_OUT_CARTRIDGE              1           // Running with an old worn out cartridge (max wear)
-    #define PBA_ESTIMATION                  1           // Estimate arterial pressure rather than look at PBA sensor
+//    #define PBA_ESTIMATION                  1           // Estimate arterial pressure rather than look at PBA sensor
     #define DISABLE_MOTOR_CURRENT_CHECKS    1           // Do not error on HD pump current checks
     #define DISABLE_PUMP_FLOW_CHECKS        1           // Do not error on HD pump flow checks
     #define DISABLE_PUMP_SPEED_CHECKS       1           // Do not error on HD pump speed checks