Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -r34d0843fa73e79ba3b085dd4aaa393a1ec126fd4 -r1d49abd3736a0e21a9ceb56e213d4337fbb8138c
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 34d0843fa73e79ba3b085dd4aaa393a1ec126fd4)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 1d49abd3736a0e21a9ceb56e213d4337fbb8138c)
@@ -36,7 +36,7 @@
 
 // ********** private definitions **********
 
-#define MAX_PRIME_TIME                                      ( 15 * SEC_PER_MIN )                               ///< Maximum prime time (in seconds).
+#define MAX_PRIME_TIME                                      ( 30 * SEC_PER_MIN )                               ///< Maximum prime time (in seconds).
 #define PRIME_DATA_PUB_INTERVAL                             ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )          ///< Interval (ms/task time) at which the prime data is published on the CAN bus.
 
 #define BLOOD_PUMP_FAST_FLOW_RATE_PURGE_AIR_ML_MIN          300                                                ///< Blood pump fast flow rate to fill fluid.