Index: sources/drydemo/StateControllerStandby.cpp
===================================================================
diff -u -rb9f4ddeb2dec3019b87c712bfe64b8df1d4b328c -rc52253ab5fc73e9b59d9cd99eada3d526d799987
--- sources/drydemo/StateControllerStandby.cpp	(.../StateControllerStandby.cpp)	(revision b9f4ddeb2dec3019b87c712bfe64b8df1d4b328c)
+++ sources/drydemo/StateControllerStandby.cpp	(.../StateControllerStandby.cpp)	(revision c52253ab5fc73e9b59d9cd99eada3d526d799987)
@@ -33,6 +33,22 @@
     _treatmentRcvdMessages[ID_UI_CONFIRMATION_RESULT_RESP].clear();
 }
 
+void StateController::handleUICheckInMessage()
+{
+    if (_treatmentRcvdMessages[ID_UI_CHECK_IN].isNull()) { return; }
+
+    qint32 index = 0;
+    Types::S16 seq;
+    GetValue(_treatmentRcvdMessages[ID_UI_CHECK_IN].toByteArray(), index, seq);
+
+    qint16 sequence = seq.value * -1;
+    QVariantList resp;
+    resp.append(static_cast<quint16>(ID_ACK_MESSAGE_THAT_REQUIRES_ACK));
+    resp.append(Can_Id::eChlid_TD_UI);
+    resp.append(sequence);
+    _treatmentRcvdMessages[ID_UI_CHECK_IN].clear();
+}
+
 void StateController::handleInitiateTreatmentRequestMessage(State_Status &status)
 {
     if (_treatmentRcvdMessages[ID_INITIATE_TREATMENT].isNull()){ return; }
@@ -81,6 +97,7 @@
     _treatmentSubStates.rinsebackState          = RINSEBACK_STOP_INIT_STATE;
     _treatmentStatus.ufVolDeliveredL            = 0.0;
     _treatmentStatus.hasRecircBeenRequested     = false;
+    _treatmentStatus.lowVenousAlarmTimeoutCtr   = 0;
 }
 
 void StateController::triggerAnAlarm(Alarm_List alarmID)
@@ -166,6 +183,16 @@
     }
 }
 
+void StateController::handleTriggerLowVenousAlarmInTx()
+{
+    _treatmentStatus.lowVenousAlarmTimeoutCtr++;
+
+    if ((_treatmentStatus.lowVenousAlarmTimeoutCtr * QOBJECT_TIMER_TIMEOUT_MS) == TRIG_LOW_VEN_ALARM_TIMEOUT_MS)
+    {
+        triggerAnAlarm(ALARM_ID_TD_VENOUS_PRESSURE_LOW);
+    }
+}
+
 void StateController::handleUIConfirmMessage(const Generic_Confirm_Id confirmID, State_Status &status)
 {
     if (!_uiConfirmMessages.contains(confirmID)) { return; }
@@ -176,9 +203,8 @@
         case GENERIC_CONFIRM_ID_TREATMENT_END:
             if (_uiConfirmMessages[confirmID][UI_CONFIRM_MSG_STATUS_INDEX].toUInt() == CONFIRMATION_REQUEST_STATUS_ACCEPTED) {
                 QStringList activeStates = _dryDemo.activeStateNames(true);
-                QString activeState = activeStates[0];
+                QString activeState      = activeStates[0];
                 _treatmentStatus.stateTransitionEvent = (activeState == "Treatment_Recirculate" ? "T_RC_2_TE" : "T_RB_2_TE");
-                //_treatmentStatus.stateTransitionEvent = "T_RB_2_TE";
                 status                                = STATE_ON_EXIT;
                 qDebug() << "Event" << _treatmentStatus.stateTransitionEvent << _dryDemo.activeStateNames(true);
             }