diff --git a/app/gui/oven_control/burnertestwindow.cpp b/app/gui/oven_control/burnertestwindow.cpp
index 4e22698..cabe09b 100644
--- a/app/gui/oven_control/burnertestwindow.cpp
+++ b/app/gui/oven_control/burnertestwindow.cpp
@@ -25,7 +25,6 @@ BurnerTestWindow::BurnerTestWindow(QWidget *parent) :
     connect(this->udp, SIGNAL(changed()), this, SLOT(onDataChanged()));
 
     udp->set(TG_OVEN_MODE, 4);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_MANUAL_BURNER1);
     udp->turnOn(TG_MANUAL_BURNER2);
     udp->turnOn(TG_MANUAL_BURNER3);
@@ -143,7 +142,6 @@ void BurnerTestWindow::on_backButton_clicked()
     udp->turnOff(TG_MANUAL_BURNER1);
     udp->turnOff(TG_MANUAL_BURNER2);
     udp->turnOff(TG_MANUAL_BURNER3);
-    udp->turnOff(TG_SYSTEM);
 
     close();
 }
diff --git a/app/gui/oven_control/componenttestwindow.cpp b/app/gui/oven_control/componenttestwindow.cpp
index a978f75..81dd772 100644
--- a/app/gui/oven_control/componenttestwindow.cpp
+++ b/app/gui/oven_control/componenttestwindow.cpp
@@ -17,7 +17,6 @@ ComponentTestWindow::ComponentTestWindow(QWidget *parent) :
     connect(&damperTimer, SIGNAL(timeout()), this, SLOT(damperOff()));
 
     udp->set(TG_OVEN_MODE, 4);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_MANUAL_RELAY);
 
     onDataChanged();
@@ -72,8 +71,9 @@ void ComponentTestWindow::on_backButton_clicked()
 {
     damperTimer.stop();
 
+    udp->turnOff(TG_HL);
+    udp->turnOff(TG_HDM);
     udp->turnOff(TG_MANUAL_RELAY);
-    udp->turnOff(TG_SYSTEM);
 
     close();
 }
diff --git a/app/gui/oven_control/fantestwindow.cpp b/app/gui/oven_control/fantestwindow.cpp
index b94fb99..a6d08c6 100644
--- a/app/gui/oven_control/fantestwindow.cpp
+++ b/app/gui/oven_control/fantestwindow.cpp
@@ -18,7 +18,6 @@ FanTestWindow::FanTestWindow(QWidget *parent) :
     rpm1 = rpm2 = 500;
 
     udp->set(TG_OVEN_MODE, 4);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_MANUAL_FAN1);
     udp->turnOn(TG_MANUAL_FAN2);
     udp->set(TG_FAN1_RPM, rpm1);
@@ -241,9 +240,12 @@ void FanTestWindow::on_backButton_clicked()
     stop(Fan1);
     stop(Fan2);
 
+    udp->set(TG_FAN1_RPM, 500);
+    udp->set(TG_FAN2_RPM, 500);
+    udp->set(TG_FAN1_DIRECTOIN, 0);
+    udp->set(TG_FAN2_DIRECTOIN, 0);
     udp->turnOff(TG_MANUAL_FAN1);
     udp->turnOff(TG_MANUAL_FAN2);
-    udp->turnOff(TG_SYSTEM);
 
     deleteLater();
 }
diff --git a/app/gui/oven_control/ovencontroller.cpp b/app/gui/oven_control/ovencontroller.cpp
index b246c62..560e336 100644
--- a/app/gui/oven_control/ovencontroller.cpp
+++ b/app/gui/oven_control/ovencontroller.cpp
@@ -114,7 +114,6 @@ void OvenController::startCooking()
     qDebug() << "Start Cooking";
     udp->set(TG_OVEN_MODE, 1);
     udp->set(TG_TIME, 1440);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_COOKING);
 }
 
@@ -129,7 +128,6 @@ void OvenController::startPreheating()
     qDebug() << "Start Preheating";
     udp->set(TG_OVEN_MODE, 1);
     udp->set(TG_TIME, 1440);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_PREHEAT);
 }
 
diff --git a/app/gui/oven_control/valvetestwindow.cpp b/app/gui/oven_control/valvetestwindow.cpp
index 2d7eeb4..966dbb2 100644
--- a/app/gui/oven_control/valvetestwindow.cpp
+++ b/app/gui/oven_control/valvetestwindow.cpp
@@ -14,7 +14,6 @@ ValveTestWindow::ValveTestWindow(QWidget *parent) :
     connect(udp, SIGNAL(changed()), this, SLOT(onDataChanged()));
 
     udp->set(TG_OVEN_MODE, 4);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_MANUAL_RELAY);
 
     onDataChanged();
@@ -106,8 +105,12 @@ void ValveTestWindow::on_backButton_clicked()
     quenchingValveClose();
     sideValveClose();
 
+    udp->turnOff(TG_SSV);
+    udp->turnOff(TG_DP);
+    udp->turnOff(TG_QNV);
+    udp->turnOff(TG_SNV);
+    udp->turnOff(TG_SGNV);
     udp->turnOff(TG_MANUAL_RELAY);
-    udp->turnOff(TG_SYSTEM);
 
     close();
 }
diff --git a/app/gui/oven_control/washtestwindow.cpp b/app/gui/oven_control/washtestwindow.cpp
index da5aafd..16e0ad0 100644
--- a/app/gui/oven_control/washtestwindow.cpp
+++ b/app/gui/oven_control/washtestwindow.cpp
@@ -14,7 +14,6 @@ WashTestWindow::WashTestWindow(QWidget *parent) :
     connect(udp, SIGNAL(changed()), this, SLOT(onDataChanged()));
 
     udp->set(TG_OVEN_MODE, 4);
-    udp->turnOn(TG_SYSTEM);
     udp->turnOn(TG_MANUAL_RELAY);
 
     onDataChanged();
@@ -85,7 +84,6 @@ void WashTestWindow::on_backButton_clicked()
     drainValveClose();
 
     udp->turnOff(TG_MANUAL_RELAY);
-    udp->turnOff(TG_SYSTEM);
 
     close();
 }
diff --git a/app/gui/oven_control/washwindow.cpp b/app/gui/oven_control/washwindow.cpp
index 2e82263..218f8fa 100644
--- a/app/gui/oven_control/washwindow.cpp
+++ b/app/gui/oven_control/washwindow.cpp
@@ -20,7 +20,6 @@ WashWindow::WashWindow(QWidget *parent) :
     setAttribute(Qt::WA_DeleteOnClose);
 
     udp = UdpHandler::getInstance();
-    udp->turnOff(TG_SYSTEM);
     connect(udp, SIGNAL(changed()), SLOT(onChanged()));
 
     ui->animation->load(":/images/animation/wash_04.png");
@@ -74,7 +73,6 @@ void WashWindow::start(int type)
     ui->animation->start(300);
 
     udp->set(TG_OVEN_MODE, 2);
-    udp->turnOn(TG_SYSTEM);
 }
 
 void WashWindow::stop()