diff --git a/homeassistant/components/arest/switch.py b/homeassistant/components/arest/switch.py
index 6efa24c5a0f..1c67723fc02 100644
--- a/homeassistant/components/arest/switch.py
+++ b/homeassistant/components/arest/switch.py
@@ -161,16 +161,13 @@ class ArestSwitchFunction(ArestSwitchBase):
 class ArestSwitchPin(ArestSwitchBase):
     """Representation of an aREST switch. Based on digital I/O."""
 
-    def __init__(self, resource, location, name, pin, invert):
+    def __init__(self, resource, location, name, pin, invert) -> None:
         """Initialize the switch."""
         super().__init__(resource, location, name)
         self._pin = pin
         self.invert = invert
 
-        request = requests.get(f"{resource}/mode/{pin}/o", timeout=10)
-        if request.status_code != HTTPStatus.OK:
-            _LOGGER.error("Can't set mode")
-            self._attr_available = False
+        self.__set_pin_output()
 
     def turn_on(self, **kwargs: Any) -> None:
         """Turn the device on."""
@@ -200,7 +197,15 @@ class ArestSwitchPin(ArestSwitchBase):
             request = requests.get(f"{self._resource}/digital/{self._pin}", timeout=10)
             status_value = int(self.invert)
             self._attr_is_on = request.json()["return_value"] != status_value
-            self._attr_available = True
+            if self._attr_available is False:
+                self._attr_available = True
+                self.__set_pin_output()
         except requests.exceptions.ConnectionError:
             _LOGGER.warning("No route to device %s", self._resource)
             self._attr_available = False
+
+    def __set_pin_output(self) -> None:
+        request = requests.get(f"{self._resource}/mode/{self._pin}/o", timeout=10)
+        if request.status_code != HTTPStatus.OK:
+            _LOGGER.error("Can't set mode")
+            self._attr_available = False