diff --git a/homeassistant/components/microbees/cover.py b/homeassistant/components/microbees/cover.py
index bdf6e815af1..b6d5d366d89 100644
--- a/homeassistant/components/microbees/cover.py
+++ b/homeassistant/components/microbees/cover.py
@@ -19,6 +19,8 @@ from .const import DOMAIN
 from .coordinator import MicroBeesUpdateCoordinator
 from .entity import MicroBeesEntity
 
+COVER_IDS = {47: "roller_shutter"}
+
 
 async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
@@ -32,11 +34,17 @@ async def async_setup_entry(
         MBCover(
             coordinator,
             bee_id,
-            next(filter(lambda x: x.deviceID == 551, bee.actuators)).id,
-            next(filter(lambda x: x.deviceID == 552, bee.actuators)).id,
+            next(
+                (actuator.id for actuator in bee.actuators if actuator.deviceID == 551),
+                None,
+            ),
+            next(
+                (actuator.id for actuator in bee.actuators if actuator.deviceID == 552),
+                None,
+            ),
         )
         for bee_id, bee in coordinator.data.bees.items()
-        if bee.productID == 47
+        if bee.productID in COVER_IDS
     )
 
 
diff --git a/homeassistant/components/microbees/light.py b/homeassistant/components/microbees/light.py
index 411eab22324..654cdc37182 100644
--- a/homeassistant/components/microbees/light.py
+++ b/homeassistant/components/microbees/light.py
@@ -60,19 +60,19 @@ class MBLight(MicroBeesActuatorEntity, LightEntity):
         sendCommand = await self.coordinator.microbees.sendCommand(
             self.actuator_id, 1, color=self._attr_rgbw_color
         )
-        if sendCommand:
-            self.actuator.value = True
-            self.async_write_ha_state()
-        else:
+        if not sendCommand:
             raise HomeAssistantError(f"Failed to turn on {self.name}")
 
+        self.actuator.value = True
+        self.async_write_ha_state()
+
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn off the light."""
         sendCommand = await self.coordinator.microbees.sendCommand(
             self.actuator_id, 0, color=self._attr_rgbw_color
         )
-        if sendCommand:
-            self.actuator.value = False
-            self.async_write_ha_state()
-        else:
+        if not sendCommand:
             raise HomeAssistantError(f"Failed to turn off {self.name}")
+
+        self.actuator.value = False
+        self.async_write_ha_state()
diff --git a/homeassistant/components/microbees/strings.json b/homeassistant/components/microbees/strings.json
index 6f17a12834e..49d42af83d3 100644
--- a/homeassistant/components/microbees/strings.json
+++ b/homeassistant/components/microbees/strings.json
@@ -19,7 +19,10 @@
       "missing_configuration": "[%key:common::config_flow::abort::oauth2_missing_configuration%]",
       "authorize_url_timeout": "[%key:common::config_flow::abort::oauth2_authorize_url_timeout%]",
       "no_url_available": "[%key:common::config_flow::abort::oauth2_no_url_available%]",
-      "user_rejected_authorize": "[%key:common::config_flow::abort::oauth2_user_rejected_authorize%]"
+      "user_rejected_authorize": "[%key:common::config_flow::abort::oauth2_user_rejected_authorize%]",
+      "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
+      "unknown": "[%key:common::config_flow::error::unknown%]",
+      "wrong_account": "You can only reauthenticate this entry with the same microBees account."
     },
     "create_entry": {
       "default": "[%key:common::config_flow::create_entry::authenticated%]"
diff --git a/homeassistant/components/microbees/switch.py b/homeassistant/components/microbees/switch.py
index 8e3c03e9ba4..1d668d041e1 100644
--- a/homeassistant/components/microbees/switch.py
+++ b/homeassistant/components/microbees/switch.py
@@ -56,17 +56,17 @@ class MBSwitch(MicroBeesActuatorEntity, SwitchEntity):
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn on the switch."""
         send_command = await self.coordinator.microbees.sendCommand(self.actuator_id, 1)
-        if send_command:
-            self.actuator.value = True
-            self.async_write_ha_state()
-        else:
+        if not send_command:
             raise HomeAssistantError(f"Failed to turn on {self.name}")
 
+        self.actuator.value = True
+        self.async_write_ha_state()
+
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn off the switch."""
         send_command = await self.coordinator.microbees.sendCommand(self.actuator_id, 0)
-        if send_command:
-            self.actuator.value = False
-            self.async_write_ha_state()
-        else:
+        if not send_command:
             raise HomeAssistantError(f"Failed to turn off {self.name}")
+
+        self.actuator.value = False
+        self.async_write_ha_state()