Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -r1c74566ff86f1df5e1929b8715d68715dc21a93b -r51bdd8eedc05856cf35998d1348e3138edecfaf8
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 1c74566ff86f1df5e1929b8715d68715dc21a93b)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 51bdd8eedc05856cf35998d1348e3138edecfaf8)
@@ -119,6 +119,7 @@
     checkInletPressure();
     checkRORejectionRatio();
 
+    // Transition to generation idle mode when HD is not communicating
     if ( FALSE == isHDCommunicating() )
     {
         requestNewOperationMode( DG_MODE_GENE );