diff --git a/companion/src/eepromimportexport.h b/companion/src/eepromimportexport.h
index 0d7ea49ece..6be4826e72 100644
--- a/companion/src/eepromimportexport.h
+++ b/companion/src/eepromimportexport.h
@@ -648,7 +648,7 @@ class ConversionField: public TransformedField {
         if (table->exportValue(_field, _field))
           return;
         if (!error.isEmpty())
-          EEPROMWarnings += error + "\n";
+          EEPROMWarnings.push_back(error);
       }
 
       if (shift) {
diff --git a/companion/src/eeprominterface.cpp b/companion/src/eeprominterface.cpp
index 4cf29b34f0..b8798ef8be 100644
--- a/companion/src/eeprominterface.cpp
+++ b/companion/src/eeprominterface.cpp
@@ -12,7 +12,7 @@
 #include "helpers.h"
 #include "wizarddata.h"
 
-QString EEPROMWarnings;
+std::list<QString> EEPROMWarnings;
 
 const char * switches9X[] = { "3POS", "THR", "RUD", "ELE", "AIL", "GEA", "TRN" };
 const char * switchesX9D[] = { "SA", "SB", "SC", "SD", "SE", "SF", "SG", "SH" };
diff --git a/companion/src/eeprominterface.h b/companion/src/eeprominterface.h
index 277fca225b..fd08c8df71 100644
--- a/companion/src/eeprominterface.h
+++ b/companion/src/eeprominterface.h
@@ -1198,7 +1198,7 @@ class EEPROMInterface
 
 };
 
-extern QString EEPROMWarnings;
+extern std::list<QString> EEPROMWarnings;
 
 /* EEPROM string conversion functions */
 void setEEPROMString(char *dst, const char *src, int size);
diff --git a/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp b/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp
index a7002e53c1..249c2b6cea 100644
--- a/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp
+++ b/companion/src/firmwares/opentx/open9xSky9xeeprom.cpp
@@ -149,7 +149,7 @@ t_Open9xArmExpoData_v208::operator ExpoData ()
   c9x.chn = chn;
 
   if (expo!=0 && curve!=0) {
-    EEPROMWarnings += ::QObject::tr("Simultaneous usage of expo and curves is no longer supported") + "\n";
+    EEPROMWarnings.push_back(::QObject::tr("Simultaneous usage of expo and curves is no longer supported"));
   }
   else {
     if (curve == 0) {
@@ -179,7 +179,7 @@ t_Open9xArmExpoData_v210::operator ExpoData ()
   c9x.chn = chn;
 
   if (expo!=0 && curve!=0) {
-    EEPROMWarnings += ::QObject::tr("Simultaneous usage of expo and curves is no longer supported") + "\n";
+    EEPROMWarnings.push_back(::QObject::tr("Simultaneous usage of expo and curves is no longer supported"));
   }
   else {
     if (curve == 0) {
diff --git a/companion/src/firmwares/opentx/open9xStockeeprom.cpp b/companion/src/firmwares/opentx/open9xStockeeprom.cpp
index 898743af12..0f26c96a6d 100644
--- a/companion/src/firmwares/opentx/open9xStockeeprom.cpp
+++ b/companion/src/firmwares/opentx/open9xStockeeprom.cpp
@@ -89,7 +89,7 @@ t_Open9xExpoData_v201::operator ExpoData ()
   c9x.mode = mode;
   c9x.chn = chn;
   if (expo!=0 && curve!=0) {
-    EEPROMWarnings += ::QObject::tr("Simultaneous usage of expo and curves is no longer supported in OpenTX") + "\n";
+    EEPROMWarnings.push_back(::QObject::tr("Simultaneous usage of expo and curves is no longer supported in OpenTX"));
   }
   else {
     if (curve == 0) {
diff --git a/companion/src/firmwares/opentx/opentxeeprom.cpp b/companion/src/firmwares/opentx/opentxeeprom.cpp
index abcf537215..cad02a119b 100644
--- a/companion/src/firmwares/opentx/opentxeeprom.cpp
+++ b/companion/src/firmwares/opentx/opentxeeprom.cpp
@@ -370,7 +370,8 @@ template <int N>
 class SwitchField: public ConversionField< SignedField<N> > {
   public:
     SwitchField(RawSwitch & sw, BoardEnum board, unsigned int version, unsigned long flags=0):
-      ConversionField< SignedField<N> >(_switch, SwitchesConversionTable::getInstance(board, version, flags), "Switch"),
+      ConversionField< SignedField<N> >(_switch, SwitchesConversionTable::getInstance(board, version, flags), "Switch",
+          "Switch "+ sw.toString()+" cannot be exported on this board!"),
       sw(sw),
       _switch(0)
     {
@@ -1257,14 +1258,14 @@ class CurvesField: public TransformedField {
         if (IS_TARANIS(board) && version >= 216) {
           offset += (curve->type == CurveData::CURVE_TYPE_CUSTOM ? curve->count * 2 - 2 : curve->count);
           if (offset > maxPoints) {
-            EEPROMWarnings += ::QObject::tr("OpenTX only accepts %1 points in all curves").arg(maxPoints) + "\n";
+            EEPROMWarnings.push_back(::QObject::tr("OpenTX only accepts %1 points in all curves").arg(maxPoints));
             break;
           }
         }
         else {
           offset += (curve->type == CurveData::CURVE_TYPE_CUSTOM ? curve->count * 2 - 2 : curve->count) - 5;
           if (offset > maxPoints - 5 * maxCurves) {
-            EEPROMWarnings += ::QObject::tr("OpenTx only accepts %1 points in all curves").arg(maxPoints) + "\n";
+            EEPROMWarnings.push_back(::QObject::tr("OpenTx only accepts %1 points in all curves").arg(maxPoints));
             break;
           }
           _curves[i] = offset;
@@ -2430,7 +2431,7 @@ OpenTxModelData::OpenTxModelData(ModelData & modelData, BoardEnum board, unsigne
   if (IS_ARM(board))
     internalField.Append(new UnsignedField<3>(modelData.telemetryProtocol));
   else
-    internalField.Append(new ConversionField< UnsignedField<3> >((unsigned int &)modelData.moduleData[0].protocol, &protocolsConversionTable, "Protocol", ::QObject::tr("OpenTX doesn't accept this protocol")));
+    internalField.Append(new ConversionField< UnsignedField<3> >((unsigned int &)modelData.moduleData[0].protocol, &protocolsConversionTable, "Protocol", ::QObject::tr("OpenTX doesn't accept this telemetry protocol")));
 
   internalField.Append(new BoolField<1>(modelData.thrTrim));
 
@@ -2534,12 +2535,12 @@ OpenTxModelData::OpenTxModelData(ModelData & modelData, BoardEnum board, unsigne
 
   if (IS_TARANIS(board)) {
     modulesCount = 3;
-    internalField.Append(new ConversionField< SignedField<8> >(modelData.moduleData[1].protocol, &protocolsConversionTable, "Protocol", ::QObject::tr("OpenTX doesn't accept this protocol")));
+    internalField.Append(new ConversionField< SignedField<8> >(modelData.moduleData[1].protocol, &protocolsConversionTable, "Protocol", ::QObject::tr("OpenTX doesn't accept this rado protocol")));
     internalField.Append(new UnsignedField<8>(modelData.trainerMode));
   }
   else if (IS_ARM(board) && version >= 216) {
     modulesCount = 3;
-    internalField.Append(new ConversionField< SignedField<8> >(modelData.moduleData[0].protocol, &protocolsConversionTable, "Protocol", ::QObject::tr("OpenTX doesn't accept this protocol")));
+    internalField.Append(new ConversionField< SignedField<8> >(modelData.moduleData[0].protocol, &protocolsConversionTable, "Protocol", ::QObject::tr("OpenTX doesn't accept this radio protocol")));
   }
 
   if (IS_ARM(board) && version >= 215) {
diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index 707b1030a8..ff1fe846de 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -402,10 +402,21 @@ int OpenTxEepromInterface::save(uint8_t *eeprom, RadioData &radioData, uint32_t
     }
   }
 
-  if (!EEPROMWarnings.isEmpty())
+  if (!EEPROMWarnings.empty()) {
+    QString msg;
+    int noErrorsToDisplay = std::min((int)EEPROMWarnings.size(),10);
+    for (int n = 0; n < noErrorsToDisplay; n++) {
+      msg += "-" + EEPROMWarnings.front() + "\n";
+      EEPROMWarnings.pop_front();
+    }
+    if (!EEPROMWarnings.empty()) {
+      msg = QObject::tr("(displaying only first 10 warnings)") + "\n" + msg;
+    }
+    EEPROMWarnings.clear();
     QMessageBox::warning(NULL,
         QObject::tr("Warning"),
-        QObject::tr("EEPROM saved with these warnings:") + "\n- " + EEPROMWarnings.remove(EEPROMWarnings.length()-1, 1).replace("\n", "\n- "));
+        QObject::tr("EEPROM saved with these warnings:") + "\n" + msg);
+  }
 
   return size;
 }
diff --git a/companion/src/firmwares/th9x/th9xeeprom.cpp b/companion/src/firmwares/th9x/th9xeeprom.cpp
index fa8947a91a..144c8bf4e8 100644
--- a/companion/src/firmwares/th9x/th9xeeprom.cpp
+++ b/companion/src/firmwares/th9x/th9xeeprom.cpp
@@ -197,7 +197,7 @@ int8_t t_Th9xLogicalSwitchData::fromSource(RawSource source)
   if (source.type == SOURCE_TYPE_STICK)
     v1 = 1+source.index;
   else if (source.type == SOURCE_TYPE_ROTARY_ENCODER) {
-    EEPROMWarnings += ::QObject::tr("th9x on this board doesn't have Rotary Encoders") + "\n";
+    EEPROMWarnings.push_back(::QObject::tr("th9x on this board doesn't have Rotary Encoders"));
     v1 = 5+source.index;
   }
   else if (source.type == SOURCE_TYPE_MAX)