diff --git a/main.py b/main.py
index 4e8f52b..815d434 100644
--- a/main.py
+++ b/main.py
@@ -68,7 +68,11 @@ door = 21
 GPIO.setup(greenLed, GPIO.OUT)
 GPIO.output(greenLed, GPIO.LOW)
 GPIO.setup(redLed, GPIO.OUT)
-GPIO.output(redLed, GPIO.LOW)
+for i in range(3):
+    GPIO.output(redLed, GPIO.HIGH)
+    time.sleep(1)
+    GPIO.output(redLed, GPIO.LOW)
+    time.sleep(0.2)
 
 GPIO.setup(door, GPIO.OUT)
 GPIO.output(door, GPIO.LOW)