Index: firmware/App/Controllers/AirTrap.c
===================================================================
diff -u -r8e4a186b144ce6bb0de2ca04ae623f63f2ee525e -r447486e03296134fad2a08e6a9c3a02b52d3e368
--- firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision 8e4a186b144ce6bb0de2ca04ae623f63f2ee525e)
+++ firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision 447486e03296134fad2a08e6a9c3a02b52d3e368)
@@ -201,10 +201,7 @@
     }
     else
     {
-        if ( airTrapUpperLevelCtr > 0 )
-        {
-            airTrapUpperLevelCtr = 0;
-        }
+        airTrapUpperLevelCtr = 0;
     }
 
     // Check level readings are valid