diff --git a/Puffer/module.php b/Puffer/module.php
index bd7a07d..d8c7ca5 100644
--- a/Puffer/module.php
+++ b/Puffer/module.php
@@ -112,7 +112,7 @@ class Puffer extends IPSModule
     public function GetCurrentData(bool $Peak)
     {
         
-        IPS_LogMessage("Puffer", "Vor Glättung");
+        
         $boilertemperatur_glätten = $this->ReadPropertyBoolean("Boilertemperatur_glätten");
 
         if ($boilertemperatur_glätten) {
@@ -150,7 +150,7 @@ class Puffer extends IPSModule
             // Setze Boilertemperatur direkt auf den Wert des Boilerfühlers
             $this->SetValue("Boilertemperatur", $boilerPT1);
         }
-        IPS_LogMessage("Puffer", "nach Glättung und vor AT berechnung");
+        
 
 
         $at = GetValue($this->ReadPropertyInteger("Aussentemp"));
@@ -165,6 +165,7 @@ class Puffer extends IPSModule
         $maxVT = $this->ReadPropertyInteger("MaxVT_Temp");  // z.B. 80
         $maxAT = $this->ReadPropertyInteger("MaxAT_Temp");  // z.B. 20
         $minAT = $this->ReadPropertyInteger("MinAT_Temp");  // z.B. 0
+        IPS_LogMessage("Puffer", "minVT: $minVT, maxVT: $maxVT, minAT: $minAT, maxAT: $maxAT");
         $m = ($maxVT - $minVT) / ($minAT - $maxAT);
         IPS_LogMessage("Puffer", "Steigung: " . $m);
         $this->SetValue("Steigung", $m);