diff --git a/LFP_Manager/Controls/ucShelfStatus.cs b/LFP_Manager/Controls/ucShelfStatus.cs
index 6506651..08d50f1 100644
--- a/LFP_Manager/Controls/ucShelfStatus.cs
+++ b/LFP_Manager/Controls/ucShelfStatus.cs
@@ -704,16 +704,8 @@ namespace LFP_Manager.Controls
                             lbStatus.ForeColor = System.Drawing.Color.Magenta;
                             break;
                         case 0x0004:                // TRIP
-                            if (SystemData.StatusData.protection == 0)
-                            {
-                                lbStatus.Text = "TRIP (Anti-Theft)";
-                                lbStatus.ForeColor = Color.Red;
-                            }
-                            else
-                            {
-                                lbStatus.Text = "TRIP";
-                                lbStatus.ForeColor = Color.Red;
-                            }
+                            lbStatus.Text = "TRIP";
+                            lbStatus.ForeColor = Color.Red;
                             break;
                         case 0x0008:                // Chg-Lmt
                             lbStatus.Text = "CHG-LIMIT";
@@ -745,7 +737,12 @@ namespace LFP_Manager.Controls
                 if (SystemData.ShelfCommFail == false)
                 {
                     // Alarm Display
-                    if (SystemData.StatusData.protection != 0)
+                    if (((ushort)SystemData.StatusData.errorCode & 0x4000) == 0x4000)
+                    {
+                        lbAlarm.Text = "TRIP (Anti-Theft)";
+                        lbAlarm.ForeColor = Color.Red;
+                    }
+                    else if (SystemData.StatusData.protection != 0)
                     {
                         lbAlarm.Text = "FAULT";
                         lbAlarm.ForeColor = Color.Red;
@@ -781,7 +778,12 @@ namespace LFP_Manager.Controls
                 if (SystemData.ShelfCommFail == false)
                 {
                     // Alarm Display
-                    if (SystemData.StatusData.batteryStatus == 0)
+                    if (((ushort)SystemData.StatusData.errorCode & 0x4000) == 0x4000)
+                    {
+                        lbAlarm.Text = "TRIP (Anti-Theft)";
+                        lbAlarm.ForeColor = System.Drawing.Color.Red;
+                    }
+                    else if (SystemData.StatusData.batteryStatus == 0)
                     {
                         lbAlarm.Text = "NORMAL";
                         lbAlarm.ForeColor = System.Drawing.Color.Green;
diff --git a/LFP_Manager/Forms/fmxFwUpdate.cs b/LFP_Manager/Forms/fmxFwUpdate.cs
index a23c3eb..756e20f 100644
--- a/LFP_Manager/Forms/fmxFwUpdate.cs
+++ b/LFP_Manager/Forms/fmxFwUpdate.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
@@ -457,7 +457,7 @@ namespace LFP_Manager
             sdata[sdata.Length - 1] = crc[0];         // CRCL
 
             FwSentLength = data.Length;
-            OnSendUartData?.Invoke((ushort)SystemId, sdata, false);
+            OnSendUartData?.Invoke((ushort)SystemId, sdata, true);
         }
         #endregion
 
diff --git a/LFP_Manager/Properties/AssemblyInfo.cs b/LFP_Manager/Properties/AssemblyInfo.cs
index 37d5ecd..f8ed5ed 100644
--- a/LFP_Manager/Properties/AssemblyInfo.cs
+++ b/LFP_Manager/Properties/AssemblyInfo.cs
@@ -1,4 +1,4 @@
-using System.Reflection;
+using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.1.1.1")]
-[assembly: AssemblyFileVersion("1.1.1.1")]
+[assembly: AssemblyVersion("1.1.1.2")]
+[assembly: AssemblyFileVersion("1.1.1.2")]
diff --git a/LFP_Manager/Threads/csUartThread.cs b/LFP_Manager/Threads/csUartThread.cs
index 3053009..7652980 100644
--- a/LFP_Manager/Threads/csUartThread.cs
+++ b/LFP_Manager/Threads/csUartThread.cs
@@ -213,7 +213,29 @@ namespace LFP_Manager.Threads
         public void SetWriteReg(ushort WriteAddr, byte[] WriteData, bool ReplyFlag)
         {
             if (WriteData == null) return;
-            TUartTxItem item = new TUartTxItem(UartTxType.WriteReg, SystemId, WriteAddr, (ushort)WriteData.Length, WriteData, ReplyFlag, Config.RecvWaitTime);
+
+            UartTxType txType = UartTxType.WriteReg;
+            int timeoutMs = Config.RecvWaitTime;
+            bool expectReply = ReplyFlag;
+
+            // FW 업데이트 패킷 감지 (Target ID: 0x7F 또는 FW 명령어)
+            if (WriteData.Length >= 2 && WriteData[0] == 0x7F)
+            {
+                txType = UartTxType.FwUpdate;
+                byte cmd = WriteData[1];
+                if (cmd == csSerialCommFunction.FW_FLASH_ERASE_CMD) // 0x43 Erase
+                {
+                    expectReply = true;
+                    timeoutMs = Math.Max(Config.RecvWaitTime, 5000); // Flash Erase 대기시간 (섹터 지우기 최대 수 초 소요)
+                }
+                else if (cmd == csSerialCommFunction.FW_FLASH_WRITE_CMD) // 0x31 Write
+                {
+                    expectReply = true;
+                    timeoutMs = Math.Max(Config.RecvWaitTime, 2000); // Flash Write 128B 응답 대기
+                }
+            }
+
+            TUartTxItem item = new TUartTxItem(txType, SystemId, WriteAddr, (ushort)WriteData.Length, WriteData, expectReply, timeoutMs);
             EnqueueTx(item);
         }
 
diff --git a/LFP_Manager/Utils/csLog.cs b/LFP_Manager/Utils/csLog.cs
index 576fc52..1768a02 100644
--- a/LFP_Manager/Utils/csLog.cs
+++ b/LFP_Manager/Utils/csLog.cs
@@ -311,10 +311,7 @@ namespace LFP_Manager.Utils
                     result = "FLOATING";
                     break;
                 case 0x0004:
-                    if (aProtection == 0)
-                        result = "TRIP (Anti-Theft)";
-                    else
-                        result = "TRIP";
+                    result = "TRIP";
                     break;
                 case 0x0008:
                     result = "CHG-LIMIT";
@@ -329,12 +326,13 @@ namespace LFP_Manager.Utils
             return result;
         }
 
-        private static string GetAlarmString(short aAlarm)
+        private static string GetAlarmString(short aAlarm, short aErrorCode = 0)
         {
             string result = "";
             bool[] rackStatus = csUtils.Int16ToBitArray(aAlarm);
 
-            if (aAlarm == 0)      result = "NORMAL";
+            if (((ushort)aErrorCode & 0x4000) == 0x4000) result = "TRIP (Anti-Theft)";
+            else if (aAlarm == 0)      result = "NORMAL";
             else if (aAlarm == 1) result = "WARNING";
             else if (aAlarm == 2) result = "FAULT";
             else if (aAlarm == 3) result = "WARMING UP";
@@ -460,7 +458,7 @@ namespace LFP_Manager.Utils
                 , sData.Information.BMS_SN_Str                                                          //  4    MODEL 
                 , GetCommStatus(sConfig, sData)                                                         //  5    COMM STATUS 
                 , GetStatusString(sData.StatusData.status, sData.StatusData.protection)                //  6    STATUS 
-                , GetAlarmString(sData.StatusData.batteryStatus)                                        //  7    ALARM
+                , GetAlarmString(sData.StatusData.batteryStatus, sData.StatusData.errorCode)            //  7    ALARM
                 );
 
             sdata += String.Format(