diff -r f93706c82762 -r c7b8a9931b59 main/task_sdcard.c
--- a/main/task_sdcard.c	Wed Jul 03 11:18:20 2019 +0200
+++ b/main/task_sdcard.c	Thu Jul 04 15:57:43 2019 +0200
@@ -208,13 +208,13 @@
     // connect SDMMC driver to FATFS
     pdrv = 0xFF;
     if (ff_diskio_get_drive(&pdrv) != ESP_OK || pdrv == 0xFF) {
-	ESP_LOGI(TAG, "the maximum count of volumes is already mounted");
+	ESP_LOGE(TAG, "the maximum count of volumes is already mounted");
 	return ESP_ERR_NO_MEM;
     }
 
     s_base_path = strdup(base_path);
     if (!s_base_path) {
-	ESP_LOGI(TAG, "could not copy base_path");
+	ESP_LOGE(TAG, "could not copy base_path");
 	return ESP_ERR_NO_MEM;
     }
     esp_err_t err = ESP_OK;
@@ -226,7 +226,7 @@
 
     err = (*host_config->init)();
     if (err != ESP_OK) {
-	ESP_LOGI(TAG, "host init returned rc=0x%x", err);
+	ESP_LOGE(TAG, "host init returned rc=0x%x", err);
 	goto fail;
     }
 
@@ -237,7 +237,7 @@
 	err = sdmmc_host_init_slot(host_config->slot, (const sdmmc_slot_config_t*) slot_config);
     }
     if (err != ESP_OK) {
-	ESP_LOGI(TAG, "slot_config returned rc=0x%x", err);
+	ESP_LOGE(TAG, "slot_config returned rc=0x%x", err);
 	goto fail;
     }
     return ESP_OK;
@@ -344,13 +344,13 @@
 
     f = fopen(ff, "r");
     if (f == NULL) {
-	ESP_LOGE(TAG, "FileCopy cannot open %s for read, error %d", ff, errno);
+	ESP_LOGW(TAG, "FileCopy cannot open %s for read, error %d", ff, errno);
 	return 1;
     }
 
     t = fopen(tf, "w+");
     if (t == NULL) {
-	ESP_LOGE(TAG, "FileCopy cannot open %s for create/write, error %d", tf, errno);
+	ESP_LOGW(TAG, "FileCopy cannot open %s for create/write, error %d", tf, errno);
 	fclose(f);
 	return 1;
     }