Index: firmware/App/Controllers/BloodLeak.c
===================================================================
diff -u -r7e590c10900e46008d6fd4f1c98d85b368ae0fa7 -r0528a70e1de371ac0659a732d8b71d140751381b
--- firmware/App/Controllers/BloodLeak.c	(.../BloodLeak.c)	(revision 7e590c10900e46008d6fd4f1c98d85b368ae0fa7)
+++ firmware/App/Controllers/BloodLeak.c	(.../BloodLeak.c)	(revision 0528a70e1de371ac0659a732d8b71d140751381b)
@@ -124,6 +124,7 @@
     NUM_OF_BLOOD_LEAK_EMB_MODE_STATES                                                            ///< Number of blood leak embedded mode states.
 } BLOOD_LEAK_EMB_MODE_STATE_T;
 
+/// Blood leak detector embedded mode commands
 typedef enum EmbCommands
 {
     NU_EMB_MODE_CMD = 0,                                                                         ///< Null command.
@@ -157,12 +158,12 @@
 typedef struct
 {
     U32 lastZeroingStartTimeMS;                                                                  ///< Blood leak last zero sequence start time in milliseconds.
-    U32 driftInRangeStartTimeMS;
-    BOOL hasDriftTimerBeenSet;
-    U32 rawIntensity[ BLD_ZERO_MVG_AVG_NUM_OF_SAMPLES ];
-    U32 intensityRunningSum;
-    U32 rawIntensityNextIndex;
-    U32 intensityMovingAverage;
+    U32 driftInRangeStartTimeMS;                                                                 ///< Blood leak drift is in range start time in milliseconds.
+    BOOL hasDriftTimerBeenSet;                                                                   ///< Blood leak flag to indicate drift time has been set or not.
+    U32 rawIntensity[ BLD_ZERO_MVG_AVG_NUM_OF_SAMPLES ];                                         ///< Blood leak raw intensity array.
+    U32 intensityRunningSum;                                                                     ///< Blood leak intensity running sum for moving average.
+    U32 rawIntensityNextIndex;                                                                   ///< Blood leak raw intensity next index for moving average.
+    U32 intensityMovingAverage;                                                                  ///< Blood leak intensity moving average.
 } BLOOD_LEAK_ZEROING_STATUS_T;
 
 // ********** private data **********
@@ -417,6 +418,8 @@
         enqueueEmbModeCmd( Z_EMB_MODE_CMD );
         enqueueEmbModeCmd( Q_EMB_MODE_CMD );
         enqueueEmbModeCmd( T_EMB_MODE_CMD );
+
+        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_BLOOD_LEAK_ZEROING_REQUEST, 0, 0 )
     }
     else if ( ++bloodLeakEmbModeCmdEnqueueCount > BLOOD_LEAK_EMB_MODE_MAX_NUM_CMD_TRIES )
     {