diff --git a/phosphor-regulators/src/chassis.cpp b/phosphor-regulators/src/chassis.cpp
index 425c20e..a8c8ed6 100644
--- a/phosphor-regulators/src/chassis.cpp
+++ b/phosphor-regulators/src/chassis.cpp
@@ -74,6 +74,15 @@
     }
 }
 
+void Chassis::detectPhaseFaults(Services& services, System& system)
+{
+    // Detect phase faults in each device
+    for (std::unique_ptr<Device>& device : devices)
+    {
+        device->detectPhaseFaults(services, system, *this);
+    }
+}
+
 void Chassis::monitorSensors(Services& services, System& system)
 {
     // Monitor sensors in each device
diff --git a/phosphor-regulators/src/chassis.hpp b/phosphor-regulators/src/chassis.hpp
index 0ba4154..b0f8561 100644
--- a/phosphor-regulators/src/chassis.hpp
+++ b/phosphor-regulators/src/chassis.hpp
@@ -120,6 +120,16 @@
     void configure(Services& services, System& system);
 
     /**
+     * Detect redundant phase faults in regulator devices in this chassis.
+     *
+     * This method should be called every 15 seconds.
+     *
+     * @param services system services like error logging and the journal
+     * @param system system that contains this chassis
+     */
+    void detectPhaseFaults(Services& services, System& system);
+
+    /**
      * Returns the devices within this chassis, if any.
      *
      * The vector contains regulator devices and any related devices