diff --git a/docs/Files/index.html.gz b/docs/Files/index.html.gz
index 4245f540..49263c18 100644
Binary files a/docs/Files/index.html.gz and b/docs/Files/index.html.gz differ
diff --git a/src/command.cpp b/src/command.cpp
index 2cce2b33..df809a69 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -1575,6 +1575,7 @@ bool COMMAND::execute_command (int cmd, String cmd_params, tpipe output, level_a
     default:
         ESPCOM::println (INCORRECT_CMD_MSG, output, espresponse);
         response = false;
+        break;
     }
     return response;
 }
diff --git a/src/config.h b/src/config.h
index 86aefa05..9f720e3a 100644
--- a/src/config.h
+++ b/src/config.h
@@ -19,7 +19,7 @@
 */
 
 //version and sources location
-#define FW_VERSION "2.0.0.c18"
+#define FW_VERSION "2.0.0.c19"
 #define REPOSITORY "https://github.com/luc-github/ESP3D"
 
 //Customize ESP3D ////////////////////////////////////////////////////////////////////////
diff --git a/src/espcom.cpp b/src/espcom.cpp
index 2591def9..66893e93 100644
--- a/src/espcom.cpp
+++ b/src/espcom.cpp
@@ -79,6 +79,9 @@ long ESPCOM::readBytes (tpipe output, uint8_t * sbuf, size_t len)
         return Serial2.readBytes(sbuf,len);
         break;
 #endif
+	default: 
+		return 0;
+		break;
 	}
 }
 long ESPCOM::baudRate(tpipe output)
@@ -100,6 +103,9 @@ long ESPCOM::baudRate(tpipe output)
         br = Serial2.baudRate();
         break;
 #endif
+	default: 
+		return 0;
+		break;
 	}
 #ifdef ARDUINO_ARCH_ESP32
     //workaround for ESP32
@@ -129,6 +135,9 @@ size_t ESPCOM::available(tpipe output){
         return Serial2.available();
         break;
 #endif
+	default: 
+		return 0;
+		break;
 	}
 }
 size_t   ESPCOM::write(tpipe output, uint8_t d){
@@ -150,6 +159,9 @@ size_t   ESPCOM::write(tpipe output, uint8_t d){
         return Serial2.write(d);
         break;
 #endif
+	default:
+		return 0;
+		break;
 	}	
 }
 void ESPCOM::flush (tpipe output, ESPResponseStream  *espresponse)
@@ -184,6 +196,8 @@ void ESPCOM::flush (tpipe output, ESPResponseStream  *espresponse)
 		}
         break;
 #endif
+	default:
+		break;
 
 	}
 }
diff --git a/src/syncwebserver.cpp b/src/syncwebserver.cpp
index bd956936..ae38d8a0 100644
--- a/src/syncwebserver.cpp
+++ b/src/syncwebserver.cpp
@@ -93,6 +93,8 @@ void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length
             // send message to client
             // webSocket.sendBIN(num, payload, length);
             break;
+        default:
+			break;
     }
 
 }
@@ -249,6 +251,7 @@ void handle_login()
                         break;
                     default:
                         auths = "guest";
+                        break;
                     }
             } else {
                 delete current_auth;
diff --git a/src/wificonf.cpp b/src/wificonf.cpp
index b85f90d0..89dac5be 100644
--- a/src/wificonf.cpp
+++ b/src/wificonf.cpp
@@ -213,6 +213,8 @@ void onWiFiEvent(WiFiEvent_t event){
 		case SYSTEM_EVENT_ETH_GOT_IP:
 			break;     
 #endif
+		default:
+			break;
 	}
 
 }
@@ -488,12 +490,13 @@ bool WIFI_CONFIG::Setup (bool force_ap)
 
             default:
 #ifdef ESP_OLED_FEATURE
-			OLED_DISPLAY::display_signal(wifi_config.getSignal (WiFi.RSSI ()));
+				OLED_DISPLAY::display_signal(wifi_config.getSignal (WiFi.RSSI ()));
 #endif
-			if ((dot == 0) || last!=WiFi.status()) {
-				msg = F ("Connecting");
-				last=WiFi.status();
-			}
+				if ((dot == 0) || last!=WiFi.status()) {
+					msg = F ("Connecting");
+					last=WiFi.status();
+				}
+				break;
 		   }
 			dot++;
 			msg.trim();