diff --git a/homeassistant/components/samsungtv/device_trigger.py b/homeassistant/components/samsungtv/device_trigger.py
index 2b3d9dbe666..749276b61c4 100644
--- a/homeassistant/components/samsungtv/device_trigger.py
+++ b/homeassistant/components/samsungtv/device_trigger.py
@@ -15,6 +15,7 @@ from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
 from homeassistant.helpers.typing import ConfigType
 
 from . import trigger
+from .const import DOMAIN
 from .helpers import (
     async_get_client_by_device_entry,
     async_get_device_entry_by_device_id,
@@ -75,4 +76,8 @@ async def async_attach_trigger(
             hass, trigger_config, action, trigger_info
         )
 
-    raise HomeAssistantError(f"Unhandled trigger type {trigger_type}")
+    raise HomeAssistantError(
+        translation_domain=DOMAIN,
+        translation_key="unhandled_trigger_type",
+        translation_placeholders={"trigger_type": trigger_type},
+    )
diff --git a/homeassistant/components/samsungtv/entity.py b/homeassistant/components/samsungtv/entity.py
index 61aa8abce53..f3ecee373e3 100644
--- a/homeassistant/components/samsungtv/entity.py
+++ b/homeassistant/components/samsungtv/entity.py
@@ -106,5 +106,7 @@ class SamsungTVEntity(CoordinatorEntity[SamsungTVDataUpdateCoordinator], Entity)
                 self.entity_id,
             )
             raise HomeAssistantError(
-                f"Entity {self.entity_id} does not support this service."
+                translation_domain=DOMAIN,
+                translation_key="service_unsupported",
+                translation_placeholders={"entity": self.entity_id},
             )
diff --git a/homeassistant/components/samsungtv/strings.json b/homeassistant/components/samsungtv/strings.json
index c9d08f756d0..65ed7a3fc23 100644
--- a/homeassistant/components/samsungtv/strings.json
+++ b/homeassistant/components/samsungtv/strings.json
@@ -47,5 +47,13 @@
     "trigger_type": {
       "samsungtv.turn_on": "Device is requested to turn on"
     }
+  },
+  "exceptions": {
+    "unhandled_trigger_type": {
+      "message": "Unhandled trigger type {trigger_type}."
+    },
+    "service_unsupported": {
+      "message": "Entity {entity} does not support this action."
+    }
   }
 }
diff --git a/tests/components/samsungtv/test_remote.py b/tests/components/samsungtv/test_remote.py
index 854c92207bf..da7871ca9c5 100644
--- a/tests/components/samsungtv/test_remote.py
+++ b/tests/components/samsungtv/test_remote.py
@@ -122,9 +122,14 @@ async def test_turn_on_wol(hass: HomeAssistant) -> None:
 async def test_turn_on_without_turnon(hass: HomeAssistant, remote: Mock) -> None:
     """Test turn on."""
     await setup_samsungtv_entry(hass, MOCK_CONFIG)
-    with pytest.raises(HomeAssistantError, match="does not support this service"):
+    with pytest.raises(HomeAssistantError) as exc_info:
         await hass.services.async_call(
             REMOTE_DOMAIN, SERVICE_TURN_ON, {ATTR_ENTITY_ID: ENTITY_ID}, True
         )
     # nothing called as not supported feature
     assert remote.control.call_count == 0
+    assert exc_info.value.translation_domain == DOMAIN
+    assert exc_info.value.translation_key == "service_unsupported"
+    assert exc_info.value.translation_placeholders == {
+        "entity": ENTITY_ID,
+    }