Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -rebbb1f85550a1f9b8f946655f7b2b63f76fbf67d -r76f413c7bde4ca9d12cc61e0191daddb1e86e9f1
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision ebbb1f85550a1f9b8f946655f7b2b63f76fbf67d)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision 76f413c7bde4ca9d12cc61e0191daddb1e86e9f1)
@@ -140,8 +140,8 @@
     U08 fpgaADC2ErrorCnt;                   ///< Reg 357.
     U08 fpgaRTDReadCnt;                     ///< Reg 358. Temperature sensors read count
     U08 fpgaRTDErrorCnt;                    ///< Reg 359. Temperature sensors error count
-    U08 fpgaTHDoReadCnt;                    ///< Reg 360. Redundant outlet temperature sensor read count
-    U08 fpgaTHDoErrorCnt;                   ///< Reg 361. Redundant outlet temperature sensor error count
+    U08 fpgaTRoReadCnt;                     ///< Reg 360. Redundant outlet temperature sensor read count
+    U08 fpgaTRoErrorCnt;                    ///< Reg 361. Redundant outlet temperature sensor error count
     U08 fpgaTDiReadCnt;                     ///< Reg 362. Dialysate inlet temperature sensor read count
     U08 fpgaTDiErrorCnt;                    ///< Reg 363. Dialysate inlet temperature sensor error count
     U08 fpgaPrimaryHeaterFlags;             ///< Reg 364. Primary heater flags
@@ -466,10 +466,10 @@
             break;
     }
 
-    // if retries for commands exceeds limit, fault
-    if ( fpgaCommRetryCount > MAX_COMM_ERROR_RETRIES )
+    // if retries for commands exceeds limit or FPGA reports comm error, fault
+    if ( ( fpgaCommRetryCount > MAX_COMM_ERROR_RETRIES ) || ( fpgaSensorReadings.fpgaIOErrorCntProcessor > MAX_COMM_ERROR_RETRIES ) )
     {
-        // TODO - FPGA comm fault
+        SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_FPGA_COMM_TIMEOUT, fpgaCommRetryCount, (U32)fpgaSensorReadings.fpgaIOErrorCntProcessor )
     }
 
     // reset comm flags after processing incoming responses
@@ -1047,49 +1047,57 @@
 /*********************************************************************//**
  * @brief
  * The getFPGALoadCellA1 function gets the latest load cell A 1 reading.
+ * Least significant 24 bits are the reading.  Most significant bit indicates
+ * CRC or status error.
  * @details Inputs: fpgaSensorReadings
  * @details Outputs: none
  * @return last load cell A 1 reading
  *************************************************************************/
 U32 getFPGALoadCellA1( void )
 {
-    return ( fpgaSensorReadings.fpgaLCA1 & MASK_OFF_U32_MSB );
+    return fpgaSensorReadings.fpgaLCA1;
 }
 
 /*********************************************************************//**
  * @brief
  * The getFPGALoadCellA2 function gets the latest load cell A 2 reading.
+ * Least significant 24 bits are the reading.  Most significant bit indicates
+ * CRC or status error.
  * @details Inputs: fpgaSensorReadings
  * @details Outputs: none
  * @return last load cell A 2 reading
  *************************************************************************/
 U32 getFPGALoadCellA2( void )
 {
-    return ( fpgaSensorReadings.fpgaLCA2 & MASK_OFF_U32_MSB );
+    return fpgaSensorReadings.fpgaLCA2;
 }
 
 /*********************************************************************//**
  * @brief
  * The getFPGALoadCellB1 function gets the latest load cell B 1 reading.
+ * Least significant 24 bits are the reading.  Most significant bit indicates
+ * CRC or status error.
  * @details Inputs: fpgaSensorReadings
  * @details Outputs: none
  * @return last load cell B 1 reading
  *************************************************************************/
 U32 getFPGALoadCellB1( void )
 {
-    return ( fpgaSensorReadings.fpgaLCB1 & MASK_OFF_U32_MSB );
+    return fpgaSensorReadings.fpgaLCB1;
 }
 
 /*********************************************************************//**
  * @brief
  * The getFPGALoadCellB2 function gets the latest load cell B 2 reading.
+ * Least significant 24 bits are the reading.  Most significant bit indicates
+ * CRC or status error.
  * @details Inputs: fpgaSensorReadings
  * @details Outputs: none
  * @return last load cell B 2 reading
  *************************************************************************/
 U32 getFPGALoadCellB2( void )
 {
-    return ( fpgaSensorReadings.fpgaLCB2 & MASK_OFF_U32_MSB );
+    return fpgaSensorReadings.fpgaLCB2;
 }
 
 /*********************************************************************//**
@@ -1221,26 +1229,26 @@
 
 /*********************************************************************//**
  * @brief
- * The getFPGATHDoErrorCount gets the error count of the THDo (redundant) temperature sensor.
- * @details Inputs: fpgaSensorReadings.fpgaTHDoErrorCnt
+ * The getFPGATRoErrorCount gets the error count of the THDo (redundant) temperature sensor.
+ * @details Inputs: fpgaSensorReadings.fpgaTRoErrorCnt
  * @details Outputs: none
  * @return Last redundant sensor outlet temperature error count
  *************************************************************************/
-U08 getFPGATHDoErrorCount( void )
+U08 getFPGATRoErrorCount( void )
 {
-    return fpgaSensorReadings.fpgaTHDoErrorCnt;
+    return fpgaSensorReadings.fpgaTRoErrorCnt;
 }
 
 /*********************************************************************//**
  * @brief
- * The getFPGATHDoReadCount gets the read count of the THDo (redundant) temperature sensor.
- * @details Inputs: fpgaSensorReadings.fpgaTHDoReadCnt
+ * The getFPGATRoReadCount gets the read count of the THDo (redundant) temperature sensor.
+ * @details Inputs: fpgaSensorReadings.fpgaTRoReadCnt
  * @details Outputs: none
  * @return Last redundant sensor outlet temperature error count reading
  *************************************************************************/
-U08 getFPGATHDoReadCount( void )
+U08 getFPGATRoReadCount( void )
 {
-    return fpgaSensorReadings.fpgaTHDoReadCnt;
+    return fpgaSensorReadings.fpgaTRoReadCnt;
 }
 
 /*********************************************************************//**