diff --git a/events.db b/events.db
deleted file mode 100644
index c856afc..0000000
--- a/events.db
+++ /dev/null
@@ -1 +0,0 @@
-a:0:{}
\ No newline at end of file
diff --git a/hooks/scripts/radiateurs.php b/hooks/scripts/radiateurs.php
index ca09a32..a5f20e8 100644
--- a/hooks/scripts/radiateurs.php
+++ b/hooks/scripts/radiateurs.php
@@ -2,7 +2,7 @@
 class radiateurs extends hook
 {
 	public $hookName = "radiateurs";
-	public $active = false;
+	public $active = true;
 
 	/*			already defined in hook class			*/
 	// public $active = true;
@@ -25,6 +25,7 @@ class radiateurs extends hook
 //		ETAGE_BUREAU_FENETRE => "contact"
 	);
 
+	// list of actions (sensor => hvac)
 	protected $hvac = array(
 		RDC_CHAMBRE_BAIE => RDC_CHAMBRE_RADIATEUR,
 		RDC_SALON_BAIE => RDC_SALON_RADIATEUR,
@@ -49,6 +50,11 @@ class radiateurs extends hook
 //		ETAGE_CHAMBRE_RADIATEUR => 0
 	);
 
+	function installHooks(&$indexDevices)
+	{
+		return $this->installHooksFunction($indexDevices);
+	}
+
 	// callback fonction. Is called with these 3 parameters
 	public function callBack(&$device, $property, $value)
 	{
@@ -107,7 +113,7 @@ class radiateurs extends hook
 			$t = getValue($device->ieeeAddress, "current_heating_setpoint");
 			if ($t != $this->minTemp)
 			{
-				$this->prevTemp[$device->ieeeAddress] = getValue($device->ieeeAddress, "current_heating_setpoint");
+				$this->prevTemp[$device->ieeeAddress] = $t;
 			}
 			$setTo = $minTemp;
 		}else
@@ -125,7 +131,6 @@ class radiateurs extends hook
 			if ($flag === false)
 			{
 				$setTo = (!empty($this->prevTemp[$device->ieeeAddress])?$this->prevTemp[$device->ieeeAddress]:19);
-
 			}
 		}
 		if ($setTo <> 0)
diff --git a/moha.php b/moha.php
index 5fca957..fc1f830 100644
--- a/moha.php
+++ b/moha.php
@@ -272,6 +272,7 @@ if (file_exists($dataPath . "events.db"))
 	}
 
 }
+
 // topics definition
 listHooks("./topics_callbacks", $topicsCallbacks);
 if (!empty($topicsCallbacks))
@@ -341,8 +342,6 @@ if (file_exists($dataPath . "devices.db"))
 	}
 }
 
-
-
 // Program start
 logger(DEBUG, _("Program start"), __FILE__ . ":" . __LINE__);
 $client = new Mosquitto\Client();
@@ -387,7 +386,7 @@ configWatchInit();
 while (true)
 {
 	// test if looping is more then 5 second and send and alert
-	echo date("c") . " début";
+//	echo date("c") . " début";
 	$now = new datetime("now");
 	$testTime = clone $now;
 	$testTime->modify("-5 second");
@@ -398,14 +397,15 @@ while (true)
 	$timeLoop = $now;
 
 	$client->loop();			// mqtt server loop()
-echo date("c") . " One shot";
-	if ($oneshot === false)		//	execute while the first loop :WARNING hooks may not be initialized
+
+	if ($oneshot === false)		//	execute while the first loop :WARNING all hooks may not be initialized
 	{
+		echo date("c") . " One shot";
 		logger(DEBUG, _("Oneshot part of loop"), __FILE__ . ":" . __LINE__, false);
 		pws2mqttGetList();
 		$oneshot = true;
 	}
-echo date("c") . " initialisation des hooks";
+//echo date("c") . " initialisation des hooks";
 	if($hooksInitialized == 0)			// all hooks are not initialized
 	{
 		$i = 1;
@@ -432,13 +432,13 @@ echo date("c") . " initialisation des hooks";
 	{
 		//logger(DEBUG, _("looping"), __FILE__ . ":" . __LINE__);
 	}
-	echo date("c") . " chech events";
+//	echo date("c") . " chech events";
 	checkEvents();
-	echo date("c") . " topics availabiblity";
+//	echo date("c") . " topics availabiblity";
 	checkTopicsAvailability();
-echo date("c") . " apiserver";
+//echo date("c") . " apiserver";
 	if ($apiServerIsActive)		apiServer($read);
-echo date("c") . " surveillance Configuration";
+//echo date("c") . " surveillance Configuration";
 	// surveillance du dossier de configuration
 	if ($cwfd !== false)
 	{
@@ -458,7 +458,7 @@ echo date("c") . " surveillance Configuration";
 			}
 		}
 	}
-echo date("c") . " fin";
+//echo date("c") . " fin";
 }
 
 endMoha();
diff --git a/systemd/moha.service b/systemd/moha.service
index f26f619..acf4b26 100644
--- a/systemd/moha.service
+++ b/systemd/moha.service
@@ -14,6 +14,7 @@ StandardError=inherit
 Restart=always
 User=domotique
 Group=domotique
+Nice=15
 
 [Install]
 WantedBy=multi-user.target