diff --git a/app/src/main/java/com/medithings/vesiscan/ui/views/monitoring/PlacementGuideView.kt b/app/src/main/java/com/medithings/vesiscan/ui/views/monitoring/PlacementGuideView.kt
index 9fac660..2923204 100644
--- a/app/src/main/java/com/medithings/vesiscan/ui/views/monitoring/PlacementGuideView.kt
+++ b/app/src/main/java/com/medithings/vesiscan/ui/views/monitoring/PlacementGuideView.kt
@@ -135,6 +135,9 @@ fun PlacementGuideView(appState: AppState) {
             if (isClinicalAlign) com.medithings.vesiscan.managers.AlignmentAlgo.V2
             else com.medithings.vesiscan.managers.AlignmentAlgo.V1
         v2Aligner.reset()
+        // 2026-08-11: 이전 view (PiezoMonitoring 등) 에서 남은 stale mtb timeout 카운터 초기화.
+        //   재진입 시 첫 mtb 가 정상 응답해도 이전 값 때문에 UI 가 "응답 지연" 로 시작하는 버그 방지.
+        bleManager.consecutiveMtbTimeouts.value = 0
         // Clinical alignment session 진입 시 — 자동으로 scan 시작 (Step 0 baseline 캡쳐).
         // waitingForStart 는 true 유지 — 사용자는 여전히 Start 눌러 알고리즘 시작 결정.
         // baseline cycles 는 measurement.json 에 phase="STEP_0_BASELINE" 로 누적됨.
@@ -177,14 +180,26 @@ fun PlacementGuideView(appState: AppState) {
     //   BleManager.sendMtb 는 raa 응답 대기 3초 후 consecutiveMtbTimeouts 를 증가시킴.
     val mtbTimeoutCount by bleManager.consecutiveMtbTimeouts
     LaunchedEffect(mtbTimeoutCount) {
-        if (mtbTimeoutCount in 1..2) {
-            directionHint = context.getString(R.string.mtb_response_delayed)
-            directionIcon = ""
-        } else if (mtbTimeoutCount >= 3) {
-            directionHint = context.getString(R.string.mtb_response_reconnect)
-            directionIcon = ""
-            bleManager.debugLogger.warn("MTB_FORCE_RECONNECT after $mtbTimeoutCount consecutive timeouts")
-            bleManager.forceDisconnectAndReconnect()
+        val delayedMsg = context.getString(R.string.mtb_response_delayed)
+        val reconnectMsg = context.getString(R.string.mtb_response_reconnect)
+        when {
+            // 2026-08-11: 정상 복구 시 UI 문구 복원 (기존엔 브랜치 없어 "응답 지연" stuck).
+            mtbTimeoutCount == 0 -> {
+                if (directionHint == delayedMsg || directionHint == reconnectMsg) {
+                    directionHint = ""
+                    directionIcon = ""
+                }
+            }
+            mtbTimeoutCount in 1..2 -> {
+                directionHint = delayedMsg
+                directionIcon = ""
+            }
+            mtbTimeoutCount >= 3 -> {
+                directionHint = reconnectMsg
+                directionIcon = ""
+                bleManager.debugLogger.warn("MTB_FORCE_RECONNECT after $mtbTimeoutCount consecutive timeouts")
+                bleManager.forceDisconnectAndReconnect()
+            }
         }
     }