husqvarna_automower_ble: Log errors if the mower isn't pairable (home-assistant#151768)

Signed-off-by: Alistair Francis <[email protected]>

Author: alistair23

homeassistant/components/husqvarna_automower_ble/config_flow.py

@@ -62,6 +62,14 @@ def _is_supported(discovery_info: BluetoothServiceInfo):
         LOGGER.debug("Unsupported device: %s (%s)", manufacturer_data, discovery_info)
         return False
 
+    if not manufacturer_data.pairable:
+        LOGGER.error(
+            "The mower does not appear to be pairable. "
+            "Ensure the mower is in pairing mode before continuing. "
+            "If the mower isn't pariable you will receive authentication "
+            "errors and be unable to connect"
+        )
+
     LOGGER.debug("Supported device: %s", manufacturer_data)
     return True