diff --git a/platformio/floower/src/connect/CommandProtocol.cpp b/platformio/floower/src/connect/CommandProtocol.cpp
index 551e9f6..b73efa1 100644
--- a/platformio/floower/src/connect/CommandProtocol.cpp
+++ b/platformio/floower/src/connect/CommandProtocol.cpp
@@ -28,8 +28,10 @@ uint16_t CommandProtocol::run(const uint16_t type, const char *payload, const ui
                     if (jsonPayload.containsKey("t")) {
                         time = jsonPayload["t"];
                     }
-                    floower->setPetalsOpenLevel(level, time);
-                    fireControlCommandCallback();
+                    if (level >= 0 && level <= 100) {
+                        floower->setPetalsOpenLevel(level, time);
+                        fireControlCommandCallback();
+                    }
                 }
                 return STATUS_OK;
             }
@@ -69,7 +71,7 @@ uint16_t CommandProtocol::run(const uint16_t type, const char *payload, const ui
                     ));
                     transitionColor = true;
                 }
-                if (level != -1) {
+                if (level >= 0 && level <= 100) {
                     floower->setPetalsOpenLevel(level, time);
                 }
                 if (transitionColor) {
diff --git a/platformio/floower/src/connect/WifiConnect.cpp b/platformio/floower/src/connect/WifiConnect.cpp
index d2bc912..b18b4f1 100644
--- a/platformio/floower/src/connect/WifiConnect.cpp
+++ b/platformio/floower/src/connect/WifiConnect.cpp
@@ -54,9 +54,9 @@ void WifiConnect::enable() {
     if (!config->wifiSsid.isEmpty()) {
         WiFi.mode(WIFI_STA);
 
-        WiFi.onEvent([=](WiFiEvent_t event, WiFiEventInfo_t info){ onWifiConnected(event, info); }, SYSTEM_EVENT_STA_CONNECTED);
-        WiFi.onEvent([=](WiFiEvent_t event, WiFiEventInfo_t info){ onWifiGotIp(event, info); }, SYSTEM_EVENT_STA_GOT_IP);
-        WiFi.onEvent([=](WiFiEvent_t event, WiFiEventInfo_t info){ onWifiDisconnected(event, info); }, SYSTEM_EVENT_STA_DISCONNECTED);
+        wifiConnectedEventId = WiFi.onEvent([=](WiFiEvent_t event, WiFiEventInfo_t info){ onWifiConnected(event, info); }, SYSTEM_EVENT_STA_CONNECTED);
+        wifiGotIpEventId = WiFi.onEvent([=](WiFiEvent_t event, WiFiEventInfo_t info){ onWifiGotIp(event, info); }, SYSTEM_EVENT_STA_GOT_IP);
+        wifiDisconnectedEventId = WiFi.onEvent([=](WiFiEvent_t event, WiFiEventInfo_t info){ onWifiDisconnected(event, info); }, SYSTEM_EVENT_STA_DISCONNECTED);
 
         WiFi.begin(config->wifiSsid.c_str(), config->wifiPassword.c_str());
         ESP_LOGI(LOG_TAG, "WiFi on: %s", config->wifiSsid.c_str());
@@ -73,9 +73,9 @@ void WifiConnect::disable() {
 
     // TODO: disconnect the socket
     WiFi.disconnect(true); // turn off wifi
-    WiFi.removeEvent(SYSTEM_EVENT_STA_CONNECTED);
-    WiFi.removeEvent(SYSTEM_EVENT_STA_GOT_IP);
-    WiFi.removeEvent(SYSTEM_EVENT_STA_DISCONNECTED);
+    WiFi.removeEvent(wifiConnectedEventId);
+    WiFi.removeEvent(wifiGotIpEventId);
+    WiFi.removeEvent(wifiDisconnectedEventId);
     esp_wifi_stop();
 
     ESP_LOGI(LOG_TAG, "Wifi off");
@@ -94,9 +94,14 @@ bool WifiConnect::isConnected() {
 void WifiConnect::reconnect() {
     if (enabled) {
         if (wifiOn) {
-            wifiFailed = false;
-            WiFi.begin(config->wifiSsid.c_str(), config->wifiPassword.c_str());
-            ESP_LOGI(LOG_TAG, "WiFi reconnecting: %s", config->wifiSsid);
+            if (!config->wifiSsid.isEmpty()) {
+                wifiFailed = false;
+                WiFi.begin(config->wifiSsid.c_str(), config->wifiPassword.c_str());
+                ESP_LOGI(LOG_TAG, "WiFi reconnecting: %s", config->wifiSsid);
+            }
+            else {
+                disable();
+            }
         }
         else {
             enable();
@@ -360,11 +365,13 @@ void WifiConnect::onWifiDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
         ESP_LOGI(LOG_TAG, "Failed to connect WiFi");
         reconnectTime = millis() + CONNECT_RETRY_INTERVAL_MS;
         wifiFailed = true;
+        WiFi.disconnect(true); // turn off wifi
     }
     else {
         ESP_LOGI(LOG_TAG, "Wifi lost: %d", info.disconnected.reason);
         reconnectTime = millis() + RECONNECT_INTERVAL_MS;
         wifiConnected = false;
+        WiFi.disconnect(true); // turn off wifi
     }
 }
 
diff --git a/platformio/floower/src/connect/WifiConnect.h b/platformio/floower/src/connect/WifiConnect.h
index dc96640..9bd6758 100644
--- a/platformio/floower/src/connect/WifiConnect.h
+++ b/platformio/floower/src/connect/WifiConnect.h
@@ -64,6 +64,9 @@ class WifiConnect {
         bool wifiOn = false;
         bool wifiConnected = false;
         bool wifiFailed = false;
+        wifi_event_id_t wifiConnectedEventId;
+        wifi_event_id_t wifiGotIpEventId;
+        wifi_event_id_t wifiDisconnectedEventId;
 
         uint8_t mode;
         uint8_t state;
diff --git a/platformio/floower/src/main.cpp b/platformio/floower/src/main.cpp
index ac76219..79387f8 100644
--- a/platformio/floower/src/main.cpp
+++ b/platformio/floower/src/main.cpp
@@ -1,4 +1,4 @@
-#define FIRMWARE_VERSION 10
+#define FIRMWARE_VERSION 11
 #define HARDWARE_REVISION 9 // Floower revision 9+ is using stepper motor instead of servo and has a sensor platform available
 
 #include <esp_wifi.h>