From ccf9edf815947eb951556441902ce67395f0c975 Mon Sep 17 00:00:00 2001
From: Yum <yum@goofz.de>
Date: Wed, 15 Mar 2017 04:25:52 +0100
Subject: [PATCH] since knx_2_float can't handle 0, bypass converting 0 value
 from knx to float (#6626)

---
 homeassistant/components/sensor/knx.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/sensor/knx.py b/homeassistant/components/sensor/knx.py
index 3dce95f7688..fef02710b9e 100644
--- a/homeassistant/components/sensor/knx.py
+++ b/homeassistant/components/sensor/knx.py
@@ -129,6 +129,6 @@ class KNXSensorFloatClass(KNXGroupAddress, KNXSensorBaseClass):
         self._value = None
 
         if self._data:
-            value = knx2_to_float(self._data)
+            value = 0 if self._data == 0 else knx2_to_float(self._data)
             if self._minimum_value <= value <= self._maximum_value:
                 self._value = value