diff --git a/phosphor-regulators/src/manager.cpp b/phosphor-regulators/src/manager.cpp
index e39273f..663d280 100644
--- a/phosphor-regulators/src/manager.cpp
+++ b/phosphor-regulators/src/manager.cpp
@@ -73,7 +73,10 @@
 
 Manager::Manager(sdbusplus::bus::bus& bus, const sdeventplus::Event& event) :
     ManagerObject{bus, managerObjPath, true}, bus{bus}, eventLoop{event},
-    services{bus}, timer{event, std::bind(&Manager::timerExpired, this)}
+    services{bus}, phaseFaultTimer{event,
+                                   std::bind(&Manager::phaseFaultTimerExpired,
+                                             this)},
+    sensorTimer{event, std::bind(&Manager::sensorTimerExpired, this)}
 {
     // Subscribe to D-Bus interfacesAdded signal from Entity Manager.  This
     // notifies us if the compatible interface becomes available later.
@@ -197,8 +200,11 @@
     {
         services.getJournal().logDebug("Monitoring enabled");
 
-        // Restart timer to have a repeating 1 second interval
-        timer.restart(std::chrono::seconds(1));
+        // Restart phase fault detection timer with repeating 15 second interval
+        phaseFaultTimer.restart(std::chrono::seconds(15));
+
+        // Restart sensor monitoring timer with repeating 1 second interval
+        sensorTimer.restart(std::chrono::seconds(1));
 
         // Enable sensors service; put all sensors in an active state
         services.getSensors().enable();
@@ -207,8 +213,9 @@
     {
         services.getJournal().logDebug("Monitoring disabled");
 
-        // Disable timer
-        timer.setEnabled(false);
+        // Disable timers
+        phaseFaultTimer.setEnabled(false);
+        sensorTimer.setEnabled(false);
 
         // Disable sensors service; put all sensors in an inactive state
         services.getSensors().disable();
@@ -225,14 +232,17 @@
     }
 }
 
-void Manager::sighupHandler(sdeventplus::source::Signal& /*sigSrc*/,
-                            const struct signalfd_siginfo* /*sigInfo*/)
+void Manager::phaseFaultTimerExpired()
 {
-    // Reload the JSON configuration file
-    loadConfigFile();
+    // Verify config file has been loaded and System object is valid
+    if (isConfigFileLoaded())
+    {
+        // Detect redundant phase faults in regulator devices in the system
+        system->detectPhaseFaults(services);
+    }
 }
 
-void Manager::timerExpired()
+void Manager::sensorTimerExpired()
 {
     // Notify sensors service that a sensor monitoring cycle is starting
     services.getSensors().startCycle();
@@ -248,6 +258,13 @@
     services.getSensors().endCycle();
 }
 
+void Manager::sighupHandler(sdeventplus::source::Signal& /*sigSrc*/,
+                            const struct signalfd_siginfo* /*sigInfo*/)
+{
+    // Reload the JSON configuration file
+    loadConfigFile();
+}
+
 void Manager::clearHardwareData()
 {
     // Clear any cached hardware presence data and VPD values
diff --git a/phosphor-regulators/src/manager.hpp b/phosphor-regulators/src/manager.hpp
index d9b62a0..c056b27 100644
--- a/phosphor-regulators/src/manager.hpp
+++ b/phosphor-regulators/src/manager.hpp
@@ -104,6 +104,16 @@
     void monitor(bool enable) override;
 
     /**
+     * Phase fault detection timer expired callback function.
+     */
+    void phaseFaultTimerExpired();
+
+    /**
+     * Sensor monitoring timer expired callback function.
+     */
+    void sensorTimerExpired();
+
+    /**
      * Callback function to handle receiving a HUP signal
      * to reload the configuration data.
      *
@@ -113,11 +123,6 @@
     void sighupHandler(sdeventplus::source::Signal& sigSrc,
                        const struct signalfd_siginfo* sigInfo);
 
-    /**
-     * Timer expired callback function
-     */
-    void timerExpired();
-
   private:
     /**
      * Clear any cached data or error history related to hardware devices.
@@ -211,9 +216,14 @@
     BMCServices services;
 
     /**
-     * Event timer used to initiate regulator monitoring.
+     * Event timer used to initiate phase fault detection.
      */
-    Timer timer;
+    Timer phaseFaultTimer;
+
+    /**
+     * Event timer used to initiate sensor monitoring.
+     */
+    Timer sensorTimer;
 
     /**
      * List of D-Bus signal matches