diff --git a/presence/tach.cpp b/presence/tach.cpp
index 9d6c0e3..7304676 100644
--- a/presence/tach.cpp
+++ b/presence/tach.cpp
@@ -15,6 +15,7 @@
  */
 #include "tach.hpp"
 
+#include "logging.hpp"
 #include "rpolicy.hpp"
 
 #include <fmt/format.h>
@@ -141,6 +142,17 @@
     }
 }
 
+void Tach::logConflict(const std::string& fanInventoryPath) const
+{
+    getLogger().log(fmt::format(
+        "Tach sensor presence detect for fan {} said not present but "
+        "other methods indicated present",
+        fanInventoryPath));
+
+    // Let the code that monitors fan faults create the event
+    // logs for stopped rotors.
+}
+
 } // namespace presence
 } // namespace fan
 } // namespace phosphor