diff --git a/Machines/ILSOS_PrismaticRD_PTOP/Sequences/Monitoring/SeqStatusMonitor.cs b/Machines/ILSOS_PrismaticRD_PTOP/Sequences/Monitoring/SeqStatusMonitor.cs
index f9d5603..5053c43 100644
--- a/Machines/ILSOS_PrismaticRD_PTOP/Sequences/Monitoring/SeqStatusMonitor.cs
+++ b/Machines/ILSOS_PrismaticRD_PTOP/Sequences/Monitoring/SeqStatusMonitor.cs
@@ -91,6 +91,23 @@ namespace WeldingCommon.Sequences
                 context.EventPublisher.Publish(new EventMessage("SeqStatusMonitor", CommonEventIds.EVENT_RESET_ALL_ALARMS_REQUEST));
             }
 
+            // ── Auto State OFF 시 에코 워드(PC_RECIPE_NO/PC_PAGE_NO) 0 초기화 ──────────────
+            //   PLC Auto OFF : 무조건 초기화
+            //   PC  Auto OFF : M70515(PLC_WELD_READY_REQ, Weld_01 Ready) 살아있으면 보존(초기화 생략)
+            bool plcAutoOff = ChangeChecker.IsChangedBoolMonitoring("PlcAutoStateOff",
+                                  _plc.ReadBit(PLCControllerPTOP.eBitInput.PLC_AUTO_STATUS).data, false);
+            bool pcAutoOff  = ChangeChecker.IsChangedBoolMonitoring("PcAutoStateOff",
+                                  _plc.ReadOutBit(PLCControllerPTOP.eBitOutput.PC_AUTO_STATUS).data, false);
+
+            bool weldReadyAlive = _plc.ReadBit(PLCControllerPTOP.eBitInput.PLC_WELD_READY_REQ).data; // M70515
+
+            if (plcAutoOff || (pcAutoOff && !weldReadyAlive))
+            {
+                _plc.WriteWord(PLCControllerPTOP.eWordOutput.PC_RECIPE_NO, 0);
+                _plc.WriteWord(PLCControllerPTOP.eWordOutput.PC_PAGE_NO, 0);
+                Log.W($"[StatusMonitor] Auto OFF(PLC:{plcAutoOff}/PC:{pcAutoOff}, M70515:{weldReadyAlive}) → PC_RECIPE_NO/PC_PAGE_NO 0 초기화");
+            }
+
             Thread.Sleep(NODE_SLEEP);
             return SequenceAction.Ok();
         }
diff --git a/Machines/ILSOS_PrismaticRD_PTOP/Sequences/SeqAutoRunPTOP.cs b/Machines/ILSOS_PrismaticRD_PTOP/Sequences/SeqAutoRunPTOP.cs
index d4406bc..11e5342 100644
--- a/Machines/ILSOS_PrismaticRD_PTOP/Sequences/SeqAutoRunPTOP.cs
+++ b/Machines/ILSOS_PrismaticRD_PTOP/Sequences/SeqAutoRunPTOP.cs
@@ -518,8 +518,11 @@ namespace ILSOS_PrismaticRD_PTOP.Sequences
             //MessageUtil.ShowErrorToast($"WriteWord -> {plcPageNo}");
             //Thread.Sleep(1000);
 
-            _PLC.WriteBit(eBitOutput.PC_PAGE_CHANGE_COMPLETE, false);
-            Log.I("[CheckPageNoComp] Set PC_PAGE_CHANGE_COMPLETE false");
+            // 에코한 PC_PAGE_NO(plcPageNo)와 현재 PLC_PAGE_NO 비교 → 같으면 ACK ON, 다르면 OFF
+            short curPlcPageNo = _PLC.ReadWord(eWordInput.PLC_PAGE_NO).data;
+            bool pageMatched = (plcPageNo == curPlcPageNo);
+            _PLC.WriteBit(eBitOutput.PC_PAGE_CHANGE_COMPLETE, pageMatched);
+            Log.I($"[CheckPageNoComp] PC_PAGE_NO({plcPageNo}) == PLC_PAGE_NO({curPlcPageNo}) ? → PC_PAGE_CHANGE_COMPLETE {pageMatched}");
             //Thread.Sleep(5);
 
             // UI 페이지 업데이트 알림
@@ -753,14 +756,14 @@ namespace ILSOS_PrismaticRD_PTOP.Sequences
 
             Status.GetProcessingWeldingData().WeldingEndTime = DateTime.Now;
 
-            if (_CurrentPageNo == 1)
-            {
-                Log.D(string.Format($"[ExecuteWelding] -->(Wedling TackTime) {_CurrentPageNo} Welding Complete Time : {_WeldingSpanTime.TotalMilliseconds}"));
-            }
-            else
-            {
-                Log.D(string.Format($"[ExecuteWelding] -->(Wedling TackTime) {_CurrentPageNo} Welding Complete Time : {_WeldingSpanTime.TotalMilliseconds}"));
-            }
+            //if (_CurrentPageNo == 1)
+            //{
+            //    Log.D(string.Format($"[ExecuteWelding] -->(Wedling TackTime) {_CurrentPageNo} Welding Complete Time : {_WeldingSpanTime.TotalMilliseconds}"));
+            //}
+            //else
+            //{
+            //    Log.D(string.Format($"[ExecuteWelding] -->(Wedling TackTime) {_CurrentPageNo} Welding Complete Time : {_WeldingSpanTime.TotalMilliseconds}"));
+            //}
 
 
 
@@ -783,14 +786,14 @@ namespace ILSOS_PrismaticRD_PTOP.Sequences
             Log.D($"[ExecuteWelding] JumpAbs + SelectCorrectionTable Time: {_WeldingSpanTime.TotalMilliseconds}ms");
             Log.D(string.Format($"[ExecuteWelding] Change SelectCorrectionTable Time : {_WeldingSpanTime.TotalMilliseconds}"));
 
-
+            Thread.Sleep(50);
             // 양극(P) 미사용 → 모든 페이지 음극 완료 비트로 응답
             _PLC.WriteBit((int)eBitOutput.PC_WELD_TRIGGER_ACK, false);
             Log.I($"[ExecuteWelding] 용접완료 송신 - READY_ACK=false (PageNo:{plcPageNo})");
-            Thread.Sleep(5);
+            Thread.Sleep(50);
             _PLC.WriteBit((int)eBitOutput.PC_WELD_BUSY, false);
             Log.I($"[ExecuteWelding] 용접완료 송신 - BUSY=false (PageNo:{plcPageNo})");
-            Thread.Sleep(5);
+            Thread.Sleep(50);
             _PLC.WriteBit((int)eBitOutput.PC_WELD_COMPLETE, true);
             Log.I($"[ExecuteWelding] 용접완료 송신 - COMPLETE=true (PageNo:{plcPageNo})");
             Thread.Sleep(5);