diff --git a/homeassistant/components/dyson/climate.py b/homeassistant/components/dyson/climate.py
index d2c23f46093..a71c124c633 100644
--- a/homeassistant/components/dyson/climate.py
+++ b/homeassistant/components/dyson/climate.py
@@ -2,6 +2,7 @@
 import logging
 
 from libpurecool.const import (
+    AutoMode,
     FanPower,
     FanSpeed,
     FanState,
@@ -333,7 +334,10 @@ class DysonPureHotCoolEntity(ClimateEntity):
     @property
     def fan_mode(self):
         """Return the fan setting."""
-        if self._device.state.fan_state == FanState.FAN_OFF.value:
+        if (
+            self._device.state.auto_mode != AutoMode.AUTO_ON.value
+            and self._device.state.fan_state == FanState.FAN_OFF.value
+        ):
             return FAN_OFF
 
         return SPEED_MAP[self._device.state.speed]
@@ -368,7 +372,7 @@ class DysonPureHotCoolEntity(ClimateEntity):
         elif fan_mode == FAN_HIGH:
             self._device.set_fan_speed(FanSpeed.FAN_SPEED_10)
         elif fan_mode == FAN_AUTO:
-            self._device.set_fan_speed(FanSpeed.FAN_SPEED_AUTO)
+            self._device.enable_auto_mode()
 
     def set_hvac_mode(self, hvac_mode):
         """Set new target hvac mode."""
diff --git a/tests/components/dyson/test_climate.py b/tests/components/dyson/test_climate.py
index 77105dc73db..c4e4c91087c 100644
--- a/tests/components/dyson/test_climate.py
+++ b/tests/components/dyson/test_climate.py
@@ -677,8 +677,7 @@ async def test_purehotcool_set_fan_mode(devices, login, hass):
         {ATTR_ENTITY_ID: "climate.living_room", ATTR_FAN_MODE: FAN_AUTO},
         True,
     )
-    assert device.set_fan_speed.call_count == 4
-    device.set_fan_speed.assert_called_with(FanSpeed.FAN_SPEED_AUTO)
+    assert device.enable_auto_mode.call_count == 1
 
 
 @patch("homeassistant.components.dyson.DysonAccount.login", return_value=True)