diff --git a/src/js/msp.js b/src/js/msp.js
index a339c214ec..ac4edea8b0 100644
--- a/src/js/msp.js
+++ b/src/js/msp.js
@@ -208,7 +208,6 @@ var MSP = {
             // message received, store dataview
             this.dataView = new DataView(this.message_buffer, 0, this.message_length_expected);
         } else {
-            console.log(`code: ${this.code} - crc failed`);
             this.packet_error++;
             this.crcError = true;
             this.dataView = new DataView(new ArrayBuffer(0));
diff --git a/src/js/msp/MSPHelper.js b/src/js/msp/MSPHelper.js
index d7395f4795..e74540bed4 100644
--- a/src/js/msp/MSPHelper.js
+++ b/src/js/msp/MSPHelper.js
@@ -277,7 +277,6 @@ MspHelper.prototype.process_data = function(dataHandler) {
                     FC.BF_CONFIG.currentmetertype = data.readU8();
                     FC.BF_CONFIG.batterycapacity = data.readU16();
                 } else {
-                    var offset = 0;
                     FC.CURRENT_METER_CONFIGS = [];
                     var current_meter_count = data.readU8();
                     for (let i = 0; i < current_meter_count; i++) {
@@ -1618,13 +1617,16 @@ MspHelper.prototype.process_data = function(dataHandler) {
                 break;
             }
         }
+    } else {
+        console.log(`code: ${code} - crc failed`);
     }
+
     // trigger callbacks, cleanup/remove callback after trigger
-    for (let i = dataHandler.callbacks.length - 1; i >= 0; i--) { // itterating in reverse because we use .splice which modifies array length
-        if (dataHandler.callbacks[i].code == code) {
+    for (let i = dataHandler.callbacks.length - 1; i >= 0; i--) { // iterating in reverse because we use .splice which modifies array length
+        if (dataHandler.callbacks[i]?.code === code) {
             // save callback reference
-            var callback = dataHandler.callbacks[i].callback;
-            var callbackOnError = dataHandler.callbacks[i].callbackOnError;
+            const callback = dataHandler.callbacks[i].callback;
+            const callbackOnError = dataHandler.callbacks[i].callbackOnError;
 
             // remove timeout
             clearInterval(dataHandler.callbacks[i].timer);
@@ -1634,6 +1636,8 @@ MspHelper.prototype.process_data = function(dataHandler) {
             if (!crcError || callbackOnError) {
                 // fire callback
                 if (callback) callback({'command': code, 'data': data, 'length': data.byteLength, 'crcError': crcError});
+            } else {
+                console.log(`code: ${code} - crc failed. No callback`);
             }
         }
     }
diff --git a/src/js/serial_backend.js b/src/js/serial_backend.js
index 0fe0c726f5..c675f50658 100644
--- a/src/js/serial_backend.js
+++ b/src/js/serial_backend.js
@@ -60,7 +60,7 @@ function initializeSerialBackend() {
                 $('select#baud').hide();
             } else if (portName !== '0') {
                 if (!clicks) {
-                    console.log(`${serial.connectionType}: connecting to: ${portName}`);
+                    console.log(`Connecting to: ${portName}`);
                     GUI.connecting_to = portName;
 
                     // lock port select & baud while we are connecting / connected
@@ -803,7 +803,7 @@ function reinitialiseConnection(originatorTab, callback) {
             if (callback) {
                 callback();
             }
-        }, 100);
+        }, 200);
         //TODO: Need to work out how to do a proper reconnect here.
         // caveat: Timeouts set with `GUI.timeout_add()` are removed on disconnect.
     } else {