diff --git a/phosphor-power-sequencer/src/ucd90320_monitor.hpp b/phosphor-power-sequencer/src/ucd90320_monitor.hpp
index 938d0a1..760b534 100644
--- a/phosphor-power-sequencer/src/ucd90320_monitor.hpp
+++ b/phosphor-power-sequencer/src/ucd90320_monitor.hpp
@@ -36,9 +36,9 @@
 
     /**
      * Create a device object for UCD90320 monitoring.
-     * @param[in] bus D-Bus bus object
-     * @param[in] i2cBus The bus number of the power sequencer device
-     * @param[in] i2cAddress The I2C address of the power sequencer device
+     * @param bus D-Bus bus object
+     * @param i2cBus The bus number of the power sequencer device
+     * @param i2cAddress The I2C address of the power sequencer device
      */
     UCD90320Monitor(sdbusplus::bus::bus& bus, std::uint8_t i2cBus,
                     std::uint16_t i2cAddress);
@@ -54,11 +54,6 @@
 
   private:
     /**
-     * Set of GPIO lines to monitor in this UCD chip.
-     */
-    gpiod::line_bulk lines;
-
-    /**
      * The match to Entity Manager interfaces added.
      */
     sdbusplus::bus::match_t match;
@@ -91,13 +86,35 @@
      * types.
      * Throws an exception if an operating system error occurs while checking
      * for the existance of a file.
-     * @param[in] compatibleSystemTypes List of compatible system types
+     * @param compatibleSystemTypes List of compatible system types
      */
     void findConfigFile(const std::vector<std::string>& compatibleSystemTypes);
 
     /**
+     * Analyzes the device pins for errors when the device is known to be in an
+     * error state.
+     * @param message Message property of the error log entry
+     * @param additionalData AdditionalData property of the error log entry
+     */
+    void onFailureCheckPins(std::string& message,
+                            std::map<std::string, std::string>& additionalData);
+
+    /**
+     * Analyzes the device rails for errors when the device is known to be in an
+     * error state.
+     * @param message Message property of the error log entry
+     * @param additionalData AdditionalData property of the error log entry
+     * @param powerSupplyError The power supply error to log. A default
+     * std:string, i.e. empty string (""), is passed when there is no power
+     * supply error to log.
+     */
+    void onFailureCheckRails(std::string& message,
+                             std::map<std::string, std::string>& additionalData,
+                             const std::string& powerSupplyError);
+
+    /**
      * Parse the JSON configuration file.
-     * @param[in] pathName the path name
+     * @param pathName the path name
      */
     void parseConfigFile(const std::filesystem::path& pathName);
 
@@ -112,12 +129,6 @@
      * @return the register contents
      */
     uint16_t readStatusWord();
-
-    /**
-     * Set up GPIOs
-     * @param[in] offsets the list of pin offsets
-     */
-    void setUpGpio(const std::vector<unsigned int>& offsets);
 };
 
 } // namespace phosphor::power::sequencer