Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -r0047fb79ccb021d606e06bc6da70fd710e05169e -r78db0ac30c2511d78e1da8b9be3fdbf68d4a9902
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 0047fb79ccb021d606e06bc6da70fd710e05169e)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 78db0ac30c2511d78e1da8b9be3fdbf68d4a9902)
@@ -36,7 +36,7 @@
 
 // ********** private definitions **********
 
-#define MAX_PRIME_TIME                                      ( 10 * SEC_PER_MIN )                        ///< Maximum prime time (in seconds).
+#define MAX_PRIME_TIME                                      ( 15 * 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.