Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -r97e1c0abbbf667f834d284eb6fc14999f073b020 -r9a6d1f31738e50e669baa306ba5b4784f66ddc4c
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 97e1c0abbbf667f834d284eb6fc14999f073b020)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 9a6d1f31738e50e669baa306ba5b4784f66ddc4c)
@@ -1122,7 +1122,7 @@
         BOOL isDirIncorrect;
         U08  dirErrorCnt = getFPGABloodPumpHallSensorStatus() & PUMP_DIR_ERROR_COUNT_MASK;
         F32  measMCSpeed = getMeasuredBloodPumpMCSpeed();
-        BOOL minDirSpeed = ( measMCSpeed >= BP_MIN_DIR_CHECK_SPEED_RPM ? TRUE : FALSE );
+        BOOL minDirSpeed = ( fabs( measMCSpeed ) >= BP_MIN_DIR_CHECK_SPEED_RPM ? TRUE : FALSE );
         BOOL isHallSensorFailed = ( TRUE == minDirSpeed && lastBloodPumpDirectionCount != dirErrorCnt ? TRUE : FALSE );
 
         // Check pump direction error count