Index: firmware/App/HDCommon.h
===================================================================
diff -u -r62a09fa67dc30631186f3e4d7a62437c1108c31a -r5e77f78c5dee9dfb441bd5d2053f7f4ac50dc619
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 62a09fa67dc30631186f3e4d7a62437c1108c31a)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 5e77f78c5dee9dfb441bd5d2053f7f4ac50dc619)
@@ -48,7 +48,7 @@
     #define DISABLE_PUMP_DIRECTION_CHECKS   1           // do not error on HD pump direction checks
     #define DISABLE_PRESSURE_CHECKS         1           // do not error on HD pressure checks
     #define DISABLE_UF_ALARMS               1           // do not error on HD ultrafiltration checks
-    #define RUN_PUMPS_OPEN_LOOP             1           // BP and DPi pumps will be run open loop (no flow sensor feedback)
+//    #define RUN_PUMPS_OPEN_LOOP             1           // BP and DPi pumps will be run open loop (no flow sensor feedback)
 //    #define RAW_FLOW_SENSOR_DATA            1           // test build will not filter flow sensor data
 //    #define READ_FPGA_ASYNC_DATA            1           // test build reads non-priority register page every other time
 //    #define FLOW_DEBUG                      1           // test build sends flow, signal strength, and occlusion readings to debug UART