diff --git a/redfish-core/lib/log_services.hpp b/redfish-core/lib/log_services.hpp
index f2a5722..1a9166b 100644
--- a/redfish-core/lib/log_services.hpp
+++ b/redfish-core/lib/log_services.hpp
@@ -4048,7 +4048,7 @@
             size_t value = static_cast<size_t>(currentValue) - 1;
             if (value == std::string::npos || postcodes.size() < currentValue)
             {
-                BMCWEB_LOG_ERROR << "Wrong currentValue value";
+                BMCWEB_LOG_WARNING << "Wrong currentValue value";
                 messages::resourceNotFound(asyncResp->res, "LogEntry",
                                            postCodeID);
                 return;
@@ -4057,7 +4057,7 @@
             const auto& [tID, c] = postcodes[value];
             if (c.empty())
             {
-                BMCWEB_LOG_INFO << "No found post code data";
+                BMCWEB_LOG_WARNING << "No found post code data";
                 messages::resourceNotFound(asyncResp->res, "LogEntry",
                                            postCodeID);
                 return;
diff --git a/redfish-core/lib/power.hpp b/redfish-core/lib/power.hpp
index 7dbf660..5d7bbb7 100644
--- a/redfish-core/lib/power.hpp
+++ b/redfish-core/lib/power.hpp
@@ -39,7 +39,7 @@
             const std::optional<std::string>& chassisPath) mutable {
         if (!chassisPath)
         {
-            BMCWEB_LOG_ERROR << "Don't find valid chassis path ";
+            BMCWEB_LOG_WARNING << "Don't find valid chassis path ";
             messages::resourceNotFound(sensorsAsyncResp->asyncResp->res,
                                        "Chassis", sensorsAsyncResp->chassisId);
             return;
@@ -47,7 +47,7 @@
 
         if (powerControlCollections.size() != 1)
         {
-            BMCWEB_LOG_ERROR << "Don't support multiple hosts at present ";
+            BMCWEB_LOG_WARNING << "Don't support multiple hosts at present ";
             messages::resourceNotFound(sensorsAsyncResp->asyncResp->res,
                                        "Power", "PowerControl");
             return;
diff --git a/redfish-core/lib/thermal_subsystem.hpp b/redfish-core/lib/thermal_subsystem.hpp
index d86e3c3..271951e 100644
--- a/redfish-core/lib/thermal_subsystem.hpp
+++ b/redfish-core/lib/thermal_subsystem.hpp
@@ -20,7 +20,7 @@
 {
     if (!validChassisPath)
     {
-        BMCWEB_LOG_ERROR << "Not a valid chassis ID" << chassisId;
+        BMCWEB_LOG_WARNING << "Not a valid chassis ID" << chassisId;
         messages::resourceNotFound(asyncResp->res, "Chassis", chassisId);
         return;
     }