Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -re64816def7cd98e7dcb6d133b3a56c9fea835af3 -r31785f24396cebed8e10834f56fc2668783558e6
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision e64816def7cd98e7dcb6d133b3a56c9fea835af3)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 31785f24396cebed8e10834f56fc2668783558e6)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2019-2021 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
-* @file DialInFlow.c
+* @file    DialInFlow.c
 *
-* @author (last) Sean Nash
-* @date (last) 13-Oct-2020
+* @author  (last)      Dara Navaei
+* @date    (last)      06-Nov-2021
 *
-* @author (original) Sean
-* @date (original) 16-Dec-2019
+* @author  (original)  Sean
+* @date    (original)  16-Dec-2019
 *
 ***************************************************************************/
 
@@ -257,9 +257,6 @@
 
     // Initialize persistent alarm for flow sensor signal strength too low
     initPersistentAlarm( ALARM_ID_DIALYSATE_FLOW_SIGNAL_STRENGTH_TOO_LOW, FLOW_SIG_STRGTH_ALARM_PERSIST, FLOW_SIG_STRGTH_ALARM_PERSIST );
-    initPersistentAlarm( ALARM_ID_HD_DP_FLOW_READ_TIMEOUT_ERROR, 0, DIALYSATE_FLOW_FAST_READ_TO_PERSIST );
-    initPersistentAlarm( ALARM_ID_HD_DP_FLOW_SLOW_READ_TIMEOUT_ERROR, 0, DIALYSATE_FLOW_SLOW_READ_TO_PERSIST );
-    initPersistentAlarm( ALARM_ID_HD_DP_FLOW_SENSOR_ERROR, 0, DIALYSATE_FLOW_COMM_ERROR_PERSIST );
     initPersistentAlarm( ALARM_ID_HD_DIAL_IN_FLOW_OUT_OF_RANGE, 0, DIP_MAX_FLOW_RATE_OUT_OF_RANGE_PERSIST );
 }
 
@@ -443,29 +440,13 @@
                                               dialysateFlowCalRecord.hdFlowSensors[ CAL_DATA_HD_DIALYSATE_FLOW_SENSOR ].offset;
 
 #ifndef DISABLE_PUMP_FLOW_CHECKS
-    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_DP_FLOW_SENSOR_ERROR, ( flowErrorCtr != lastDialysateFlowCommErrorCount ) ) )
-    {
-        activateAlarmNoData( ALARM_ID_HD_DP_FLOW_SENSOR_ERROR );
-    }
     if ( flowStatus != DFM_SENSOR_CONNECTED_STATUS )
     {
         SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_DIALYSATE_FLOW_STATUS_SELF_TEST_FAILURE, (U32)flowStatus );
     }
     lastDialysateFlowCommErrorCount = flowErrorCtr;
 #endif
 
-#ifndef DISABLE_FPGA_COUNTER_CHECKS
-    // Check for stale flow reading
-    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_DP_FLOW_READ_TIMEOUT_ERROR, ( fpReadCtr == lastDialysateFlowFastPacketReadCtr ) ) )
-    {
-        activateAlarmNoData( ALARM_ID_HD_DP_FLOW_READ_TIMEOUT_ERROR );
-    }
-    if ( TRUE == isPersistentAlarmTriggered( ALARM_ID_HD_DP_FLOW_SLOW_READ_TIMEOUT_ERROR, ( spReadCtr == lastDialysateFlowSlowPacketReadCtr ) ) )
-    {
-        activateAlarmNoData( ALARM_ID_HD_DP_FLOW_SLOW_READ_TIMEOUT_ERROR );
-    }
-#endif
-
     // Record flow read counters for next time around
     lastDialysateFlowFastPacketReadCtr = fpReadCtr;
     lastDialysateFlowSlowPacketReadCtr = spReadCtr;