diff --git a/control/json/actions/action.hpp b/control/json/actions/action.hpp
index 7307e7f..cfee7af 100644
--- a/control/json/actions/action.hpp
+++ b/control/json/actions/action.hpp
@@ -16,6 +16,7 @@
 #pragma once
 
 #include "types.hpp"
+#include "zone.hpp"
 
 #include <fmt/format.h>
 
@@ -61,19 +62,29 @@
     ActionBase& operator=(const ActionBase&) = delete;
     ActionBase& operator=(ActionBase&&) = delete;
     virtual ~ActionBase() = default;
+
+    /**
+     * @brief Base action object
+     *
+     * All actions derived from this base action object must be given a name
+     * that uniquely identifies the action.
+     *
+     * @param[in] name - Unique name of the action
+     */
     explicit ActionBase(const std::string& name) : _name(name)
     {}
 
     /**
-     * @brief Get the action function to perform
+     * @brief Run the action
      *
-     * An action function is a function associated to the derived action object
-     * that performs a specific task against fan control that's configured by
-     * a user.
+     * Run the action function associated to the derived action object
+     * that performs a specific task against a group of dbus objects on a zone
+     * configured by a user.
      *
-     * @return Action function
+     * @param[in] zone - Zone to run the action on
+     * @param[in] group - Group of dbus objects the action runs against
      */
-    virtual const Action getAction() = 0;
+    virtual void run(Zone& zone, const Group& group) = 0;
 
     /**
      * @brief Get the action's name
diff --git a/control/json/actions/default_floor.cpp b/control/json/actions/default_floor.cpp
index 6f30bf3..5970ae2 100644
--- a/control/json/actions/default_floor.cpp
+++ b/control/json/actions/default_floor.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright © 2020 IBM Corporation
+ * Copyright © 2021 IBM Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,12 +15,14 @@
  */
 #include "default_floor.hpp"
 
-#include "actions.hpp"
-#include "functor.hpp"
 #include "types.hpp"
+#include "zone.hpp"
 
 #include <nlohmann/json.hpp>
 
+#include <algorithm>
+#include <tuple>
+
 namespace phosphor::fan::control::json
 {
 
@@ -28,12 +30,23 @@
 
 DefaultFloor::DefaultFloor(const json&) : ActionBase(DefaultFloor::name)
 {
-    // There are no additional JSON configuration parameters for this action
+    // There are no JSON configuration parameters for this action
 }
 
-const Action DefaultFloor::getAction()
+void DefaultFloor::run(Zone& zone, const Group& group)
 {
-    return make_action(action::default_floor_on_missing_owner);
+    // Set/update the services of the group
+    zone.setServices(&group);
+    auto services = zone.getGroupServices(&group);
+    auto defFloor =
+        std::any_of(services.begin(), services.end(),
+                    [](const auto& s) { return !std::get<hasOwnerPos>(s); });
+    if (defFloor)
+    {
+        zone.setFloor(zone.getDefFloor());
+    }
+    // Update fan control floor change allowed
+    zone.setFloorChangeAllow(&group, !defFloor);
 }
 
 } // namespace phosphor::fan::control::json
diff --git a/control/json/actions/default_floor.hpp b/control/json/actions/default_floor.hpp
index 804ce18..5aa4182 100644
--- a/control/json/actions/default_floor.hpp
+++ b/control/json/actions/default_floor.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright © 2020 IBM Corporation
+ * Copyright © 2021 IBM Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,6 +17,7 @@
 
 #include "action.hpp"
 #include "types.hpp"
+#include "zone.hpp"
 
 #include <nlohmann/json.hpp>
 
@@ -46,9 +47,24 @@
     DefaultFloor& operator=(DefaultFloor&&) = delete;
     ~DefaultFloor() = default;
 
+    /**
+     * @brief Default the fan floor speed
+     *
+     * No JSON configuration parameters required
+     */
     explicit DefaultFloor(const json&);
 
-    const Action getAction() override;
+    /**
+     * @brief Run the action
+     *
+     * Updates the services of the group, then determines if any of the
+     * services hosting the members of the group are not owned on dbus
+     * resulting in the zone's floor being set/held at the default floor.
+     *
+     * @param[in] zone - Zone to run the action on
+     * @param[in] group - Group of dbus objects the action runs against
+     */
+    void run(Zone& zone, const Group& group) override;
 };
 
 } // namespace phosphor::fan::control::json