diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
index a13fcdb..3eb604f 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
@@ -1037,6 +1037,10 @@ fun PlacementGuideView(appState: AppState) {
                         lastHintChangeMs = 0L
                         scanCount = 0
                         startPressedAtMs = System.currentTimeMillis()
+                        // Hint 2 leak 방지 — 엔진이 새 방향 힌트 쓸 때까지 비워둠
+                        // (이전엔 "Place above pubic bone" 가 Start 직후 Hint 2 칸에 뜨곤 함)
+                        directionHint = ""
+                        directionIcon = ""
                         phaseHoldScans = 0
                         placementPhase = PlacementPhase.VERTICAL
                         isLocked = false