diff --git a/homeassistant/components/airobot/number.py b/homeassistant/components/airobot/number.py
index 8cdd0b56a4c8..e8d041e9489f 100644
--- a/homeassistant/components/airobot/number.py
+++ b/homeassistant/components/airobot/number.py
@@ -93,7 +93,6 @@ class AirobotNumber(AirobotEntity, NumberEntity):
             raise ServiceValidationError(
                 translation_domain=DOMAIN,
                 translation_key="set_value_failed",
-                translation_placeholders={"error": str(err)},
             ) from err
         else:
             await self.coordinator.async_request_refresh()
diff --git a/homeassistant/components/airobot/strings.json b/homeassistant/components/airobot/strings.json
index ecccf553736b..e12b5c333bb4 100644
--- a/homeassistant/components/airobot/strings.json
+++ b/homeassistant/components/airobot/strings.json
@@ -112,7 +112,7 @@
       "message": "Failed to set temperature to {temperature}."
     },
     "set_value_failed": {
-      "message": "Failed to set value: {error}"
+      "message": "Failed to set value."
     },
     "switch_turn_off_failed": {
       "message": "Failed to turn off {switch}."