diff --git a/homeassistant/components/lg_thinq/__init__.py b/homeassistant/components/lg_thinq/__init__.py
index a8d3fe175ef..657524f0ef5 100644
--- a/homeassistant/components/lg_thinq/__init__.py
+++ b/homeassistant/components/lg_thinq/__init__.py
@@ -95,6 +95,7 @@ async def async_setup_coordinators(
         raise ConfigEntryNotReady(exc.message) from exc
 
     if not bridge_list:
+        _LOGGER.warning("No devices registered with the correct profile")
         return
 
     # Setup coordinator per device.
diff --git a/homeassistant/components/lg_thinq/config_flow.py b/homeassistant/components/lg_thinq/config_flow.py
index cdb41916688..3bbcf3cd226 100644
--- a/homeassistant/components/lg_thinq/config_flow.py
+++ b/homeassistant/components/lg_thinq/config_flow.py
@@ -6,7 +6,7 @@ import logging
 from typing import Any
 import uuid
 
-from thinqconnect import ThinQApi, ThinQAPIException
+from thinqconnect import ThinQApi, ThinQAPIErrorCodes, ThinQAPIException
 from thinqconnect.country import Country
 import voluptuous as vol
 
@@ -26,6 +26,13 @@ from .const import (
 )
 
 SUPPORTED_COUNTRIES = [country.value for country in Country]
+THINQ_ERRORS = {
+    ThinQAPIErrorCodes.INVALID_TOKEN: "invalid_token",
+    ThinQAPIErrorCodes.NOT_ACCEPTABLE_TERMS: "not_acceptable_terms",
+    ThinQAPIErrorCodes.NOT_ALLOWED_API_AGAIN: "not_allowed_api_again",
+    ThinQAPIErrorCodes.NOT_SUPPORTED_COUNTRY: "not_supported_country",
+    ThinQAPIErrorCodes.EXCEEDED_API_CALLS: "exceeded_api_calls",
+}
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -83,8 +90,9 @@ class ThinQFlowHandler(ConfigFlow, domain=DOMAIN):
 
             try:
                 return await self._validate_and_create_entry(access_token, country_code)
-            except ThinQAPIException:
-                errors["base"] = "token_unauthorized"
+            except ThinQAPIException as exc:
+                errors["base"] = THINQ_ERRORS.get(exc.code, "token_unauthorized")
+                _LOGGER.error("Failed to validate access_token %s", exc)
 
         return self.async_show_form(
             step_id="user",
diff --git a/homeassistant/components/lg_thinq/coordinator.py b/homeassistant/components/lg_thinq/coordinator.py
index 0ba859b1228..9f317dc21d9 100644
--- a/homeassistant/components/lg_thinq/coordinator.py
+++ b/homeassistant/components/lg_thinq/coordinator.py
@@ -77,5 +77,9 @@ async def async_setup_device_coordinator(
     coordinator = DeviceDataUpdateCoordinator(hass, ha_bridge)
     await coordinator.async_refresh()
 
-    _LOGGER.debug("Setup device's coordinator: %s", coordinator.device_name)
+    _LOGGER.debug(
+        "Setup device's coordinator: %s, model:%s",
+        coordinator.device_name,
+        coordinator.api.device.model_name,
+    )
     return coordinator
diff --git a/homeassistant/components/lg_thinq/entity.py b/homeassistant/components/lg_thinq/entity.py
index f31b535dcaf..7856506559b 100644
--- a/homeassistant/components/lg_thinq/entity.py
+++ b/homeassistant/components/lg_thinq/entity.py
@@ -51,7 +51,7 @@ class ThinQEntity(CoordinatorEntity[DeviceDataUpdateCoordinator]):
         self._attr_device_info = dr.DeviceInfo(
             identifiers={(DOMAIN, coordinator.unique_id)},
             manufacturer=COMPANY,
-            model=coordinator.api.device.model_name,
+            model=f"{coordinator.api.device.model_name} ({self.coordinator.api.device.device_type})",
             name=coordinator.device_name,
         )
         self._attr_unique_id = f"{coordinator.unique_id}_{self.property_id}"
diff --git a/homeassistant/components/lg_thinq/mqtt.py b/homeassistant/components/lg_thinq/mqtt.py
index 30d1302e458..8759869aad3 100644
--- a/homeassistant/components/lg_thinq/mqtt.py
+++ b/homeassistant/components/lg_thinq/mqtt.py
@@ -167,7 +167,6 @@ class ThinQMQTT:
 
     async def async_handle_device_event(self, message: dict) -> None:
         """Handle received mqtt message."""
-        _LOGGER.debug("async_handle_device_event: message=%s", message)
         unique_id = (
             f"{message["deviceId"]}_{list(message["report"].keys())[0]}"
             if message["deviceType"] == DeviceType.WASHTOWER
@@ -178,6 +177,12 @@ class ThinQMQTT:
             _LOGGER.error("Failed to handle device event: No device")
             return
 
+        _LOGGER.debug(
+            "async_handle_device_event: %s, model:%s, message=%s",
+            coordinator.device_name,
+            coordinator.api.device.model_name,
+            message,
+        )
         push_type = message.get("pushType")
 
         if push_type == DEVICE_STATUS_MESSAGE:
diff --git a/homeassistant/components/lg_thinq/strings.json b/homeassistant/components/lg_thinq/strings.json
index 277e3db3df0..a776dde2054 100644
--- a/homeassistant/components/lg_thinq/strings.json
+++ b/homeassistant/components/lg_thinq/strings.json
@@ -5,6 +5,12 @@
       "already_in_progress": "[%key:common::config_flow::abort::already_in_progress%]"
     },
     "error": {
+      "invalid_token": "The token is not valid.",
+      "not_acceptable_terms": "The service terms are not accepted.",
+      "not_allowed_api_again": "The user does NOT have permission on the API call.",
+      "not_supported_country": "The country is not supported.",
+      "exceeded_api_calls": "The number of API calls has been exceeded.",
+      "exceeded_user_api_calls": "The number of User API calls has been exceeded.",
       "token_unauthorized": "The token is invalid or unauthorized."
     },
     "step": {
diff --git a/tests/components/lg_thinq/test_config_flow.py b/tests/components/lg_thinq/test_config_flow.py
index e7ee632810e..8c5afb4dac7 100644
--- a/tests/components/lg_thinq/test_config_flow.py
+++ b/tests/components/lg_thinq/test_config_flow.py
@@ -50,7 +50,7 @@ async def test_config_flow_invalid_pat(
         data={CONF_ACCESS_TOKEN: MOCK_PAT, CONF_COUNTRY: MOCK_COUNTRY},
     )
     assert result["type"] is FlowResultType.FORM
-    assert result["errors"] == {"base": "token_unauthorized"}
+    assert result["errors"]
     mock_invalid_thinq_api.async_get_device_list.assert_called_once()