diff --git a/I2CManager_Wire.h b/I2CManager_Wire.h
index d8add75..6d8cf3d 100644
--- a/I2CManager_Wire.h
+++ b/I2CManager_Wire.h
@@ -193,7 +193,9 @@ uint8_t I2CManagerClass::read(I2CAddress address, uint8_t readBuffer[], uint8_t
           // while (Wire.available() && nBytes < readSize) 
           while (nBytes < readSize)
             if (Wire.available()) {
+              uint8_t temp=nBytes;
               readBuffer[nBytes++] = Wire.read();
+              DIAG(F("nBytes=%d, readBuffer[nBytes]=%d"), temp, readBuffer[temp]);
             } else {
               delay(1);
             }
@@ -229,11 +231,12 @@ uint8_t I2CManagerClass::read(I2CAddress address, uint8_t readBuffer[], uint8_t
  * the non-blocking version.
  ***************************************************************************/
 void I2CManagerClass::queueRequest(I2CRB *req) {
+  DIAG(F("I2CManagerClass::queueRequest() hit"));
   if (req==NULL) {
     DIAG(F("NOOOOOOOOOOO"));
     return;
   }
-  // req->dump();
+  req->dump();
   switch (req->operation & OPERATION_MASK) {
     case OPERATION_READ:
       read(req->i2cAddress, req->readBuffer, req->readLen, NULL, 0, req);
diff --git a/IO_EXIOExpander.h b/IO_EXIOExpander.h
index c449156..2115b90 100644
--- a/IO_EXIOExpander.h
+++ b/IO_EXIOExpander.h
@@ -134,12 +134,14 @@ private:
       // We now need to retrieve the analogue pin map if there are analogue pins
       if (status == I2C_STATUS_OK && _numAnaloguePins>0) {
         commandBuffer[0] = EXIOINITA;
+        DIAG(F("EXIOINITA"));
         status = I2CManager.read(_I2CAddress, _analoguePinMap, _numAnaloguePins, commandBuffer, 1);
       }
       if (status == I2C_STATUS_OK) {
         // Attempt to get version, if we don't get it, we don't care, don't go offline
         uint8_t versionBuffer[3];
         commandBuffer[0] = EXIOVER;
+        DIAG(F("EXIOVER"));
         if (I2CManager.read(_I2CAddress, versionBuffer, sizeof(versionBuffer), commandBuffer, 1) == I2C_STATUS_OK) {
           _majorVer = versionBuffer[0];
           _minorVer = versionBuffer[1];