diff --git a/monitor/fan.cpp b/monitor/fan.cpp
index 52b4031..09af6cd 100644
--- a/monitor/fan.cpp
+++ b/monitor/fan.cpp
@@ -62,7 +62,8 @@
         std::bind(std::mem_fn(&Fan::presenceIfaceAdded), this,
                   std::placeholders::_1)),
     _fanMissingErrorDelay(std::get<fanMissingErrDelayField>(def)),
-    _countInterval(std::get<countIntervalField>(def))
+    _countInterval(std::get<countIntervalField>(def)),
+    _setFuncOnPresent(std::get<funcOnPresentField>(def))
 {
     bool enableCountTimer = false;
 
@@ -456,6 +457,15 @@
 
         _system.fanStatusChange(*this);
 
+        if (_present && _setFuncOnPresent)
+        {
+            updateInventory(true);
+            std::for_each(_sensors.begin(), _sensors.end(), [](auto& sensor) {
+                sensor->setFunctional(true);
+                sensor->resetMethod();
+            });
+        }
+
         if (_fanMissingErrorDelay)
         {
             if (!_present && _system.isPowerOn())