diff --git a/src/library/refresher.py b/src/library/refresher.py
index 860d1af..1ba97ae 100644
--- a/src/library/refresher.py
+++ b/src/library/refresher.py
@@ -462,18 +462,24 @@ def download_chunk(chunk, blob_service_client, datasets):
             download_xml = download_response.content
             if download_response.status_code == 200:
                 try:
+                    logger.debug('START CHARDET url: ' + url + ' and hash: ' + hash + ' and id: ' + id)
                     detect_result = chardet.detect(download_xml)
+                    logger.debug('END CHARDET url: ' + url + ' and hash: ' + hash + ' and id: ' + id)
                     charset = detect_result['encoding']
                     # log error for undetectable charset, prevent PDFs from being downloaded to Unified Platform
                     if charset is None:
+                        logger.debug('CHARDET HAD NO RESULT url: ' + url + ' and hash: ' + hash + ' and id: ' + id)
                         db.updateFileAsDownloadError(conn, id, 2)
                         clean_containers_by_id(blob_service_client, id)
                         continue
-                except:
+                except Exception as e:
+                    logger.debug('CHARDET HAD ERROR url: ' + url + ' and hash: ' + hash + ' and id: ' + id + ' error '+ str(e))
                     charset = 'UTF-8'
+                logger.debug('START UPLOAD BLOB url: ' + url + ' and hash: ' + hash + ' and id: ' + id)
                 blob_client.upload_blob(
                     download_xml, overwrite=True, encoding=charset)
                 blob_client.set_blob_tags({"document_id": id})
+                logger.debug('START SET DB BLOB url: ' + url + ' and hash: ' + hash + ' and id: ' + id)
                 db.updateFileAsDownloaded(conn, id)
                 logger.debug('Successfully downloaded url: ' + url + ' and hash: ' + hash + ' and id: ' + id)
             else: