diff --git a/CHANGELOG.md b/CHANGELOG.md
index e01d4c0a..2b8719b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## [5.2.1](https://github.com/OpenWonderLabs/node-switchbot/compare/v5.2.0...v5.2.1) (2026-10-25)
+
+
+### Bug Fixes
+
+* **ble:** only report disconnects the device starts as unexpected ([d36216d](https://github.com/OpenWonderLabs/node-switchbot/commit/d36216d0e0b03820753c9d40ed23d87631657904)), closes [#348](https://github.com/OpenWonderLabs/node-switchbot/issues/348)
+
+
+
 # [5.2.0](https://github.com/OpenWonderLabs/node-switchbot/compare/v5.1.1...v5.2.0) (2026-10-24)
 
 
diff --git a/package-lock.json b/package-lock.json
index 44cbded2..18afc05a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "node-switchbot",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 836fe8d1..12d0584f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "node-switchbot",
   "type": "module",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "description": "The node-switchbot is a Node.js module which allows you to control your Switchbot Devices through Bluetooth (BLE) with automatic OpenAPI fallback.",
   "author": "OpenWonderLabs (https://github.com/OpenWonderLabs)",
   "license": "MIT",
diff --git a/src/devices/base.ts b/src/devices/base.ts
index 66a68477..0eaa20bf 100644
--- a/src/devices/base.ts
+++ b/src/devices/base.ts
@@ -349,7 +349,11 @@ export abstract class SwitchBotDevice extends EventEmitter {
       try {
         return await tryBLE()
       } catch (err) {
-        this.logger?.warn?.('BLE getStatus failed, falling back to API', err)
+        if (this.enableFallback && this.hasAPI()) {
+          this.logger?.debug?.('BLE getStatus failed, falling back to API', err)
+        } else {
+          this.logger?.debug?.('BLE getStatus failed', err)
+        }
       }
       if (this.enableFallback && this.hasAPI()) {
         return await tryAPI()
@@ -360,7 +364,11 @@ export abstract class SwitchBotDevice extends EventEmitter {
       try {
         return await tryAPI()
       } catch (err) {
-        this.logger?.warn?.('API getStatus failed, falling back to BLE', err)
+        if (this.enableFallback && this.hasBLE()) {
+          this.logger?.debug?.('API getStatus failed, falling back to BLE', err)
+        } else {
+          this.logger?.debug?.('API getStatus failed', err)
+        }
       }
       if (this.enableFallback && this.hasBLE()) {
         return await tryBLE()
@@ -476,7 +484,7 @@ export abstract class SwitchBotDevice extends EventEmitter {
         this.circuitBreakerBLE.recordFailure()
       }
 
-      this.logger.error('BLE command failed', error)
+      this.logger.debug('BLE command failed', error)
       this.emitError({ type: 'ble', error })
 
       return {
@@ -555,7 +563,7 @@ export abstract class SwitchBotDevice extends EventEmitter {
         this.circuitBreakerAPI.recordFailure()
       }
 
-      this.logger.error('API command failed', error)
+      this.logger.debug('API command failed', error)
       this.emitError({ type: 'api', error })
 
       return {
@@ -718,7 +726,7 @@ export abstract class SwitchBotDevice extends EventEmitter {
         this.circuitBreakerBLE.recordFailure()
       }
 
-      this.logger.error('Failed to read BLE status', error)
+      this.logger.debug('Failed to read BLE status', error)
       throw error
     }
   }
@@ -817,7 +825,7 @@ export abstract class SwitchBotDevice extends EventEmitter {
         this.circuitBreakerAPI.recordFailure()
       }
 
-      this.logger.error('Failed to read API status', error)
+      this.logger.debug('Failed to read API status', error)
       throw error
     }
   }
diff --git a/src/utils/retry.ts b/src/utils/retry.ts
index 9c1286d8..8a636325 100644
--- a/src/utils/retry.ts
+++ b/src/utils/retry.ts
@@ -137,14 +137,14 @@ export class RetryExecutor {
         if (attemptNumber < this.config.maxAttempts && (isDBusError || isBleakRetry || attemptNumber < this.config.maxAttempts)) {
           // DBus error: always backoff 0.25s (250ms) before normal backoff
           if (isDBusError) {
-            this.logger.warn(
+            this.logger.debug(
               `${description} DBus error detected on attempt ${attemptNumber}, applying 250ms backoff`,
               { error: errorMsg },
             )
             await new Promise(resolve => setTimeout(resolve, 250))
           }
           const delayMs = this.calculateDelay(attemptNumber)
-          this.logger.warn(
+          this.logger.debug(
             `${description} failed on attempt ${attemptNumber}/${this.config.maxAttempts}, retrying in ${delayMs}ms`,
             {
               error: errorMsg,
@@ -156,7 +156,7 @@ export class RetryExecutor {
           )
           await new Promise(resolve => setTimeout(resolve, delayMs))
         } else {
-          this.logger.error(
+          this.logger.debug(
             `${description} failed after ${attemptNumber} attempts`,
             {
               error: errorMsg,