diff --git a/custom_components/bluetti_bt/coordinator.py b/custom_components/bluetti_bt/coordinator.py
index 75107cf..9aed097 100644
--- a/custom_components/bluetti_bt/coordinator.py
+++ b/custom_components/bluetti_bt/coordinator.py
@@ -155,6 +155,7 @@ class PollingCoordinator(DataUpdateCoordinator):
         self.bluetti_device = DummyDevice(bluetti_device)
 
         # Create client
+        self.logger.debug("Creating client")
         device = bluetooth.async_ble_device_from_address(hass, address)
         if device is None:
             self.logger.error("Device %s not available", mac_loggable(address))
@@ -195,7 +196,7 @@ class PollingCoordinator(DataUpdateCoordinator):
                             if attempt == max_retries:
                                 raise  # pass exception on max_retries attempt
                             else:
-                                self.logger.debug(f"Connect unsucessful (attempt {attempt}): {e}. Retrying...")
+                                self.logger.warning(f"Connect unsucessful (attempt {attempt}): {e}. Retrying...")
                                 await asyncio.sleep(2)
 
                     # Attach notifier if needed
@@ -220,7 +221,7 @@ class PollingCoordinator(DataUpdateCoordinator):
                             self.logger.warning("Got a parse exception...")
 
                     if len(self.bluetti_device.pack_polling_commands) > 0:
-                        _LOGGER.debug("Polling battery packs")
+                        self.logger.debug("Polling battery packs")
                         # pack polling
                         for pack in range (1, self.bluetti_device.pack_num_max + 1):
                             # Set current pack number
@@ -251,7 +252,7 @@ class PollingCoordinator(DataUpdateCoordinator):
                                     self.logger.warning("Got a parse exception...")
 
             except TimeoutError:
-                self.logger.debug("Polling timed out for device %s", mac_loggable(self._address))
+                self.logger.warning("Polling timed out for device %s", mac_loggable(self._address))
                 return None
             except BleakError as err:
                 self.logger.warning("Bleak error: %s", err)
diff --git a/custom_components/bluetti_bt/manifest.json b/custom_components/bluetti_bt/manifest.json
index da4e654..65b1a44 100644
--- a/custom_components/bluetti_bt/manifest.json
+++ b/custom_components/bluetti_bt/manifest.json
@@ -18,5 +18,5 @@
     "iot_class": "local_polling",
     "issue_tracker": "https://github.com/Patrick762/hassio-bluetti-bt/issues",
     "requirements": ["bluetti_mqtt==0.15.0"],
-    "version": "0.0.11"
+    "version": "2023.12.1"
 }
diff --git a/custom_components/bluetti_bt/sensor.py b/custom_components/bluetti_bt/sensor.py
index fdff6e5..428800e 100644
--- a/custom_components/bluetti_bt/sensor.py
+++ b/custom_components/bluetti_bt/sensor.py
@@ -143,9 +143,16 @@ class BluettiSensor(CoordinatorEntity, SensorEntity):
         if self.coordinator.persistent_conn and not self.coordinator.client.is_connected:
             return
 
+        if self.coordinator.data is None:
+            _LOGGER.warning(
+                "Data from coordinator is None. Skipping update for %s",
+                unique_id_loggable(self._attr_unique_id)
+            )
+            return
+
         _LOGGER.debug("Updating state of %s", unique_id_loggable(self._attr_unique_id))
         if not isinstance(self.coordinator.data, dict):
-            _LOGGER.debug(
+            _LOGGER.warning(
                 "Invalid data from coordinator (sensor.%s)", unique_id_loggable(self._attr_unique_id)
             )
             self._attr_available = False
@@ -153,7 +160,7 @@ class BluettiSensor(CoordinatorEntity, SensorEntity):
 
         response_data = self.coordinator.data.get(self._response_key)
         if response_data is None:
-            _LOGGER.debug("No data for available for (%s)", self._response_key)
+            _LOGGER.warning("No data for available for (%s)", self._response_key)
             self._attr_available = False
             return