Index: firmware/App/Modes/BloodPrime.c
===================================================================
diff -u -r41eaf78372c0ee2a79b38d0a06bd3f02d54baed4 -r38355442b06187fe5d57deca647b3adf2fa26b89
--- firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 41eaf78372c0ee2a79b38d0a06bd3f02d54baed4)
+++ firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 38355442b06187fe5d57deca647b3adf2fa26b89)
@@ -8,7 +8,7 @@
 * @file    BloodPrime.c
 *
 * @author  (last)      Michael Garthwaite
-* @date    (last)      01-Mar-2023
+* @date    (last)      15-May-2023
 *
 * @author  (original)  Sean Nash
 * @date    (original)  06-Feb-2021
@@ -36,8 +36,7 @@
 
 // ********** private definitiions ***********
 
-#define TUBING_BLOOD_PRIME_VOLUME_ML                80.0F                   ///< Target blood prime volume to prime the blood side circuit (in mL).
-#define MIN_RAMP_TIME_SEC                           60                      ///< Minimum ramp time for blood prime (in seconds).
+#define MIN_RAMP_TIME_SEC                          60                       ///< Minimum ramp time for blood prime (in seconds).
 
 /// Initial flow rate for blood pump when starting blood prime operation.
 #define BLOOD_PRIME_INIT_BP_FLOW_RATE_ML_MIN       100
@@ -140,6 +139,7 @@
     setBloodPumpTargetFlowRate( (U32)bloodPrimeRampFlowRate_mL_min, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
     setDialInPumpTargetFlowRate( DIALYSATE_FLOW_RATE_FOR_RECIRC, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_CLOSED_LOOP );
     cmdStartDGTrimmerHeater();
+    setCurrentSubState( NO_SUB_STATE );
 
     // Start air trap control
     startAirTrapControl();