From fcd0abf295bcf461a2e35090239e6c2e400ffc9c Mon Sep 17 00:00:00 2001
From: grompo <grompo@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Sat, 29 Oct 2016 20:43:25 +0000
Subject: [PATCH] LUXTRONIK2: robustness

git-svn-id: https://svn.fhem.de/fhem/trunk@12469 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/23_LUXTRONIK2.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/23_LUXTRONIK2.pm b/fhem/FHEM/23_LUXTRONIK2.pm
index 7087fa5a5..f44c059d7 100644
--- a/fhem/FHEM/23_LUXTRONIK2.pm
+++ b/fhem/FHEM/23_LUXTRONIK2.pm
@@ -641,7 +641,7 @@ LUXTRONIK2_DoUpdate($)
   # 62 - counterHeatQPool
   $return_str .= "|". ($heatpump_visibility[2]==1 ? $heatpump_values[153] : "no");
   # 63 - returnTemperatureTargetMin
-  $return_str .= "|". ($heatpump_visibility[295]==1 ? $heatpump_parameters[979] : "no");
+  $return_str .= "|". (defined($heatpump_visibility[295]) && $heatpump_visibility[295]==1 ? $heatpump_parameters[979] : "no");
   return $return_str;
 }