Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -r96a23b8fe38dda9442cd6f052aeb3eadca198e4b -rbd594d51a6487960035f36d516c801de1b4aaff9
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 96a23b8fe38dda9442cd6f052aeb3eadca198e4b)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision bd594d51a6487960035f36d516c801de1b4aaff9)
@@ -447,6 +447,7 @@
         checkBloodPumpRotor();
     }
 
+#ifndef DISABLE_PUMP_FLOW_CHECKS
     // check flow sensor signal strength when appropriate   TODO - in pre-treatment, must be far enough along for fluid to be in tubing
     if ( MODE_TREA == opMode ||
          ( MODE_PRET == opMode && FALSE ) )
@@ -455,7 +456,8 @@
         BOOL outOfRange = ( sigStrength < MIN_FLOW_SIG_STRENGTH ? TRUE : FALSE );
 
         checkPersistentAlarm( PERSISTENT_ALARM_BLOOD_FLOW_SIGNAL_STRENGTH, outOfRange, sigStrength );
-    }
+    }
+#endif
 
     // publish blood flow data on interval
     publishBloodFlowData();