diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b152604..fd5005a 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -48,13 +48,6 @@
       <option name="presentableId" value="Default" />
       <updated>1574193087583</updated>
     </task>
-    <task id="LOCAL-00006" summary="#6 UI Updates senden und anzeigen">
-      <created>1574279821388</created>
-      <option name="number" value="00006" />
-      <option name="presentableId" value="LOCAL-00006" />
-      <option name="project" value="LOCAL" />
-      <updated>1574279821388</updated>
-    </task>
     <task id="LOCAL-00007" summary="Revert &quot;#6 UI Updates senden und anzeigen&quot;&#10;&#10;This reverts commit f83d4259">
       <created>1574280075129</created>
       <option name="number" value="00007" />
@@ -391,7 +384,14 @@
       <option name="project" value="LOCAL" />
       <updated>1578939868816</updated>
     </task>
-    <option name="localTasksCounter" value="55" />
+    <task id="LOCAL-00055" summary="#17 Logging zur Fehleranalyse eingebaut">
+      <created>1578940345174</created>
+      <option name="number" value="00055" />
+      <option name="presentableId" value="LOCAL-00055" />
+      <option name="project" value="LOCAL" />
+      <updated>1578940345174</updated>
+    </task>
+    <option name="localTasksCounter" value="56" />
     <servers />
   </component>
   <component name="UnknownFeatures">
diff --git a/octoprint_mystromswitch/__init__.py b/octoprint_mystromswitch/__init__.py
index 87c1fde..24fcc77 100644
--- a/octoprint_mystromswitch/__init__.py
+++ b/octoprint_mystromswitch/__init__.py
@@ -82,22 +82,24 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
                         'http://{}/report'.format(self.ip), timeout=1)
                     self._logger.info("timer request finish")
                     if request.status_code == 200:
-                        self._logger.info("timer request OK, timestamp: " + str(time.time()) + " lastTimestamp: " + str(
-                            self.lastTimeStamp))
                         timestamp = time.time()
                         data = request.json()
                         if not self.lastTimeStamp == 0:
                             intervall = timestamp - self.lastTimeStamp
                             # Energy in Wh
                             self.energy = self.energy + (intervall * data["power"] / 3600)
-                            self._logger.info("Energy: " + str(self.energy))
+                            self._logger.info(
+                                "Energy: " + str(self.energy) + " interval: " + str(intervall) + " power: " + str(
+                                    data["power"]))
                         self.lastTimeStamp = timestamp
                         data["energy"] = self.energy
                         data["onOffButtonEnabled"] = self.onOffButtonEnabled
                         self._plugin_manager.send_plugin_message(self._identifier, data)
                 except (requests.exceptions.ConnectionError, ValueError) as e:
+                    self._logger.exception(e)
                     self._logger.info('Connection Error Host: {}, {}'.format(self.ip, e))
             except Exception as exp:
+                self._logger.exception(exp)
                 self._logger.info(exp.message)
         else:
             self._logger.info("Ip is None")
@@ -132,6 +134,7 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
             try:
                 try:
                     self._logger.info("try to send Powercycle Request")
+                    self._logger.info('http://{}/timer'.format(self.ip))
                     request = requests.post(
                         'http://{}/timer'.format(self.ip), params={'mode': value, 'time': time}, timeout=1)
                     self._logger.info("a")
@@ -142,9 +145,11 @@ class MyStromSwitchPlugin(octoprint.plugin.SettingsPlugin,
                         self._logger.info(
                             "Could not powerCycle Relais, Http Status Code: {}".format(request.status_code))
                 except requests.exceptions.ConnectionError as e:
+                    self._logger.exception(e)
                     self._logger.info("Error during powerCycle Relais: " + e.message)
             except Exception as exp:
                 self._logger.info("Exception aufgetreten: " + exp.message)
+                self._logger.exception(exp)
             nbRetry = nbRetry + 1
 
     def _toggleRelay(self):