Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rf10874460d507c5b433e97febbe33c53793492c6 -rb2262c19eae370b431585b20f0e39b7ef96d160c
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision f10874460d507c5b433e97febbe33c53793492c6)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision b2262c19eae370b431585b20f0e39b7ef96d160c)
@@ -61,8 +61,8 @@
 #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       ( 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_AT_MAX_SPEED_TIME_OUT_MS       ( 10 * MS_PER_SECOND )                               ///< Concentrate pumps prime at maximum speed timeout in milliseconds.
+#define CONC_PUMPS_PRIME_CHECK_COND_SNSRS_TIME_OUT_MS   ( 13 * MS_PER_SECOND )                               ///< Concentrate pumps prime check conductivity sensors timeout in milliseconds.
 #define CONC_PUMPS_PRIME_MAX_ALLOWED_PRIME_TIME_OUT_MS  ( 60 * MS_PER_SECOND )                               ///< Concentrate pumps prime maximum allowed timeout in prime in milliseconds.
 #define HUNDRED_PERCENT_FACTOR                          1.00F                                                ///< Hundred percent of expected conductivity when first time reaches it.
 #define FLOW_INTEGRATED_VOLUME_CHECK_TOLERANCE          0.1F                                                 ///< Flow integrated volume has 10% tolerance compare to load cell reading.