Index: firmware/App/Controllers/AirTrap.c
===================================================================
diff -u -rbb0566d9d186ea1379fbba7233c6b7ebf95bc50c -r356d40106ca38b590639ccb5ac903b066e1f8659
--- firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision bb0566d9d186ea1379fbba7233c6b7ebf95bc50c)
+++ firmware/App/Controllers/AirTrap.c	(.../AirTrap.c)	(revision 356d40106ca38b590639ccb5ac903b066e1f8659)
@@ -35,9 +35,10 @@
 
 /// Interval (ms/task time) at which the air trap data is published on the CAN bus.
 #define AIR_TRAP_DATA_PUB_INTERVAL          ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
+#define AIR_PUMP_UPPER_LEVEL_PERSISTENCE    ( 2 * MS_PER_SECOND / TASK_GENERAL_INTERVAL )
+
 /// Persistence period for illegal level sensors fault.
 static const U32 AIR_TRAP_ILLEGAL_LEVELS_PERSISTENCE = ( MS_PER_SECOND * 2 / TASK_GENERAL_INTERVAL );
-static const U32 AIR_TRAP_UPPER_LEVEL_PERSISTENCE = ( MS_PER_SECOND * 2 / TASK_GENERAL_INTERVAL );
 
 /// Volume (in mL) of venous portion of blood circuit line.  TODO - get actual volume from Systems.
 #define VENOUS_LINE_VOLUME_ML               ( 200.0F )