Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r19f13e67288117e7f81c1245a75cc6b5f8aaf899 -rc1ea1dcf6b26fb9079bd91f4f588f5f480ba45aa
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 19f13e67288117e7f81c1245a75cc6b5f8aaf899)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision c1ea1dcf6b26fb9079bd91f4f588f5f480ba45aa)
@@ -45,15 +45,15 @@
 #define CAN_XMIT_PACKET_TIMEOUT_MS      200     ///< If transmitted CAN frame does not cause a transmit complete interrupt within this time, re-send or move on
 #define MAX_XMIT_RETRIES                5       ///< Maximum number of retries on no transmit complete interrupt timeout
 
-#define UI_COMM_TIMEOUT_IN_MS           5000    ///< UI has not checked in for this much time
+#define UI_COMM_TIMEOUT_IN_MS           7500    ///< UI has not checked in for this much time
 #define DG_COMM_TIMEOUT_IN_MS           1000    ///< DG has not checked in for this much time
 
 #define MAX_COMM_CRC_FAILURES           5       ///< Maximum number of CRC errors within window period before alarm
 #define MAX_COMM_CRC_FAILURE_WINDOW_MS  (10 * SEC_PER_MIN * MS_PER_SECOND)  ///< CRC error window
 
-#define MSG_NOT_ACKED_TIMEOUT_MS        150     ///< Maximum time for a Denali message that requires ACK to be ACK'd
+#define MSG_NOT_ACKED_TIMEOUT_MS        250     ///< Maximum time for a Denali message that requires ACK to be ACK'd
 
-#define MSG_NOT_ACKED_MAX_RETRIES       8       ///< Maximum number of times a message that requires ACK that was not ACK'd can be re-sent before alarm
+#define MSG_NOT_ACKED_MAX_RETRIES       10       ///< Maximum number of times a message that requires ACK that was not ACK'd can be re-sent before alarm
 #define PENDING_ACK_LIST_SIZE           25      ///< Maximum number of Denali messages that can be pending ACK at any given time
 
 #define MAX_FPGA_CLOCK_SPEED_ERRORS     3       ///< maximum number of FPGA clock speed errors within window period before alarm