diff --git a/boards/default/micropython/build/lib/ble_central.py b/boards/default/micropython/build/lib/ble_central.py
index 9c4ff245..c10e8bfb 100644
--- a/boards/default/micropython/build/lib/ble_central.py
+++ b/boards/default/micropython/build/lib/ble_central.py
@@ -183,7 +183,7 @@ class BLESimpleCentral:
 			self._addr_type=self._info[1][index]
 			self._addr=self._info[2][index]
 		else:
-			raise ValueError("Bluetooth was not found")
+			raise ValueError("The '{}' Bluetooth was not found, Please check device is working".format(mac if name is None else name))
 		self._conn_callback = callback
 		self._ble.gap_connect(self._addr_type, self._addr)
 		return True
diff --git a/boards/default/micropython/build/lib/map.json b/boards/default/micropython/build/lib/map.json
index 6b3aa50c..5d4eb27e 100644
--- a/boards/default/micropython/build/lib/map.json
+++ b/boards/default/micropython/build/lib/map.json
@@ -69,7 +69,7 @@
             "ble_advertising"
         ],
         "__file__": true,
-        "__size__": 7312,
+        "__size__": 7391,
         "__name__": "ble_central.py"
     },
     "ble_handle": {
diff --git a/boards/default/micropython_esp32c2/build/lib/ble_central.py b/boards/default/micropython_esp32c2/build/lib/ble_central.py
index 117f4ad2..d3f857b6 100644
--- a/boards/default/micropython_esp32c2/build/lib/ble_central.py
+++ b/boards/default/micropython_esp32c2/build/lib/ble_central.py
@@ -183,7 +183,7 @@ class BLESimpleCentral:
 			self._addr_type=self._info[1][index]
 			self._addr=self._info[2][index]
 		else:
-			raise ValueError("Bluetooth was not found")
+			raise ValueError("The '{}' Bluetooth was not found, Please check device is working".format(mac if name is None else name))
 		self._conn_callback = callback
 		self._ble.gap_connect(self._addr_type, self._addr)
 		return True
diff --git a/boards/default/micropython_esp32c2/build/lib/map.json b/boards/default/micropython_esp32c2/build/lib/map.json
index b4187249..2bbbd5c3 100644
--- a/boards/default/micropython_esp32c2/build/lib/map.json
+++ b/boards/default/micropython_esp32c2/build/lib/map.json
@@ -9,7 +9,7 @@
             "ble_advertising"
         ],
         "__file__": true,
-        "__size__": 7299,
+        "__size__": 7378,
         "__name__": "ble_central.py"
     },
     "mini_bot": {
diff --git a/boards/default_src/micropython/origin/build/lib/map.json b/boards/default_src/micropython/origin/build/lib/map.json
index 6b3aa50c..5d4eb27e 100644
--- a/boards/default_src/micropython/origin/build/lib/map.json
+++ b/boards/default_src/micropython/origin/build/lib/map.json
@@ -69,7 +69,7 @@
             "ble_advertising"
         ],
         "__file__": true,
-        "__size__": 7312,
+        "__size__": 7391,
         "__name__": "ble_central.py"
     },
     "ble_handle": {
diff --git a/boards/default_src/micropython_esp32c2/origin/build/lib/map.json b/boards/default_src/micropython_esp32c2/origin/build/lib/map.json
index b4187249..2bbbd5c3 100644
--- a/boards/default_src/micropython_esp32c2/origin/build/lib/map.json
+++ b/boards/default_src/micropython_esp32c2/origin/build/lib/map.json
@@ -9,7 +9,7 @@
             "ble_advertising"
         ],
         "__file__": true,
-        "__size__": 7299,
+        "__size__": 7378,
         "__name__": "ble_central.py"
     },
     "mini_bot": {