diff --git a/main.c b/main.c
index d3bd9e5..03c3775 100644
--- a/main.c
+++ b/main.c
@@ -57,9 +57,10 @@ void IO_LIBRARY_Init(void) {
 #define STEP_SIZE 5
 #define TOP_VALUE 40
 void do_luefter(){
-    static uint8_t fan_value = TOP_VALUE*0.8;
+    static uint8_t fan_value = TOP_VALUE*0.5;
     static uint8_t fan_state = 0;
 
+
     if(!read_Input(IN_ANLAGE_EIN, LEVEL)){
         fan_state = 0;
         ioHelperSetBit(outStates, LED_LUEFTER,  0);