diff --git a/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt b/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt
index dd45b33..eb4136d 100644
--- a/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt
+++ b/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt
@@ -364,27 +364,12 @@ class BleManager private constructor(private val context: Context) {
         debugLogger.info("WATCHDOG_STARTED timeout=${watchdogTimeoutMs}ms")
 
         watchdogJob = Thread({
-            debugLogger.info("WATCHDOG_THREAD running")
             while (watchdogRunning) {
-                try { Thread.sleep(5000) } catch (e: InterruptedException) {
-                    debugLogger.warn("WATCHDOG_THREAD interrupted")
-                    break
-                }
-                if (!watchdogRunning) {
-                    debugLogger.info("WATCHDOG_THREAD stopped (flag)")
-                    break
-                }
+                try { Thread.sleep(5000) } catch (_: InterruptedException) { break }
+                if (!watchdogRunning) break
+                if (!isConnected.value) break
 
                 val silenceMs = System.currentTimeMillis() - lastRxTimestamp
-                val connected = isConnected.value
-                debugLogger.info("WATCHDOG_CHECK silence=${silenceMs}ms connected=$connected")
-
-                // connected=false면 정상 경로에서 이미 처리됨 → watchdog 종료
-                if (!connected) {
-                    debugLogger.info("WATCHDOG_STOP — already disconnected (handled by GATT callback)")
-                    break
-                }
-
                 if (silenceMs > watchdogTimeoutMs) {
                     // 직접 로그 기록 (handler 블로킹 무관)
                     debugLogger.error("WATCHDOG_TIMEOUT silence=${silenceMs}ms — forcing reconnect")