Index: firmware/App/HDCommon.h
===================================================================
diff -u -r45ab2f69a7c566d8636c1d7aa9d9dac8c22bd0da -r85b5377e9aa9c04f95da0ae019a97febe44a0f10
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 45ab2f69a7c566d8636c1d7aa9d9dac8c22bd0da)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 85b5377e9aa9c04f95da0ae019a97febe44a0f10)
@@ -25,7 +25,7 @@
 #define HD_VERSION_MAJOR        0
 #define HD_VERSION_MINOR        6
 #define HD_VERSION_MICRO        0
-#define HD_VERSION_BUILD        125
+#define HD_VERSION_BUILD        126
 
 // ********** development build switches **********
 
Index: firmware/App/Modes/SelfTests.c
===================================================================
diff -u -rdd9e3bea402ef6957991d91c0e5cbd5db61cd33a -r85b5377e9aa9c04f95da0ae019a97febe44a0f10
--- firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision dd9e3bea402ef6957991d91c0e5cbd5db61cd33a)
+++ firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision 85b5377e9aa9c04f95da0ae019a97febe44a0f10)
@@ -823,15 +823,14 @@
 {
     DRY_SELF_TESTS_STATE_T state = DRY_SELF_TESTS_USED_CARTRIDGE_CHECK_STATE;
 
-    BUBBLE_STATUS_T const ADABubbleStatus = getBubbleStatus( ADA );
     BUBBLE_STATUS_T const ADVBubbleStatus = getBubbleStatus( ADV );
 
-//    if ( ( BUBBLE_DETECTED == ADABubbleStatus ) && ( BUBBLE_DETECTED == ADVBubbleStatus ) &&
-//         ( AIR_TRAP_LEVEL_AIR == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_LOWER ) ) &&
-//         ( AIR_TRAP_LEVEL_AIR == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_UPPER ) ) )
-//    {
+    if ( ( BUBBLE_DETECTED == ADVBubbleStatus ) &&
+         ( AIR_TRAP_LEVEL_AIR == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_LOWER ) ) &&
+         ( AIR_TRAP_LEVEL_AIR == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_UPPER ) ) )
+    {
         state = DRY_SELF_TESTS_OCCLUSION_SENSORS_STATE;
-//    }
+    }
 //    else
 //    {
 //        activateAlarmNoData( ALARM_ID_INSTALL_NEW_CARTRIDGE );
@@ -1103,7 +1102,6 @@
     if ( setupDisplacementVolume <= 0 )
     {
         signalDialInPumpHardStop();
-        selfTestBubble( ADA );
         selfTestBubble( ADV );
         state = WET_SELF_TESTS_BUBBLES_STATE;
     }
@@ -1129,7 +1127,7 @@
 {
     WET_SELF_TESTS_STATE_T state = WET_SELF_TESTS_BUBBLES_STATE;
 
-    if ( ( SELF_TEST_STATUS_PASSED == getBubbleSelfTestStatus( ADA ) ) && ( SELF_TEST_STATUS_PASSED == getBubbleSelfTestStatus( ADV ) ) )
+    if ( SELF_TEST_STATUS_PASSED == getBubbleSelfTestStatus( ADV ) )
     {
         state = WET_SELF_TESTS_PRIME_CHECK_STATE;
     }
@@ -1157,7 +1155,6 @@
     WET_SELF_TESTS_STATE_T state = WET_SELF_TESTS_PRIME_CHECK_STATE;
     *result = SELF_TEST_STATUS_FAILED;
 
-    BUBBLE_STATUS_T const ADABubbleStatus = getBubbleStatus( ADA );
     BUBBLE_STATUS_T const ADVBubbleStatus = getBubbleStatus( ADV );
 
 #ifndef SKIP_AIR_BUBBLE_CHECK