Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rd325999b7b3ea03b7e294cb8a0b97df93812fbe9 -r47e9d946185be61f383de9d169a185f73733777b
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision d325999b7b3ea03b7e294cb8a0b97df93812fbe9)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 47e9d946185be61f383de9d169a185f73733777b)
@@ -61,7 +61,7 @@
 #define FILL_MODE_DATA_PUB_INTERVAL                     ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )            ///< Interval (ms/task time) at which the fill mode data is published on the CAN bus.
 #define DIALYSATE_FILL_TIME_OUT                         ( 5 * SEC_PER_MIN * MS_PER_SECOND )                  ///< Time out period when reservoir is not filled with correct dialysate.
 
-#define CONC_PUMPS_PRIME_AT_MAX_SPEED_TIME_OUT_MS       ( 8 * MS_PER_SECOND )                                ///< Concentrate pumps prime at maximum speed timeout in milliseconds.
+#define CONC_PUMPS_PRIME_AT_MAX_SPEED_TIME_OUT_MS       ( 7 * MS_PER_SECOND )                                ///< Concentrate pumps prime at maximum speed timeout in milliseconds.
 #define CONC_PUMPS_PRIME_CHECK_COND_SNSRS_TIME_OUT_MS   ( 10 * MS_PER_SECOND )                               ///< Concentrate pumps prime check conductivity sensors timeout in milliseconds.
 #define CONC_PUMPS_PRIME_MAX_ALLOWED_PRIME_TIME_OUT_MS  ( 25 * MS_PER_SECOND )                               ///< Concentrate pumps prime maximum allowed timeout in prime in milliseconds.