diff --git a/lib/lv_lib_qrcode/lv_qrcode.c b/lib/lv_lib_qrcode/lv_qrcode.c
index 34d1bdba..430360a4 100644
--- a/lib/lv_lib_qrcode/lv_qrcode.c
+++ b/lib/lv_lib_qrcode/lv_qrcode.c
@@ -119,6 +119,8 @@ lv_res_t lv_qrcode_update(lv_obj_t* qrcode, const void* data, uint32_t data_len)
     lv_canvas_fill_bg(qrcode, c, 0);
     // lv_canvas_zoom();
 
+    LV_LOG_INFO("Update QR-code text with length : %d", data_len);
+
     if(data_len > qrcodegen_BUFFER_LEN_MAX) return LV_RES_INV;
 
     uint8_t qr0[qrcodegen_BUFFER_LEN_MAX];
@@ -128,7 +130,10 @@ lv_res_t lv_qrcode_update(lv_obj_t* qrcode, const void* data, uint32_t data_len)
     bool ok = qrcodegen_encodeBinary(data_tmp, data_len, qr0, qrcodegen_Ecc_MEDIUM, qrcodegen_VERSION_MIN,
                                      qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true);
 
-    if(!ok) return LV_RES_INV;
+    if(!ok) {
+        LV_LOG_WARN("QR-code encoding error");
+        return LV_RES_INV;
+    }
 
     lv_coord_t obj_w = lv_obj_get_width(qrcode);
     int qr_size      = qrcodegen_getSize(qr0);      // Number of vertical QR blocks
@@ -136,6 +141,8 @@ lv_res_t lv_qrcode_update(lv_obj_t* qrcode, const void* data, uint32_t data_len)
     int scaled       = qr_size * scale;
     int margin       = (obj_w - scaled) / 2;
 
+    LV_LOG_INFO("Update QR-code data : obj_w[%d] QR moduls[%d] scale factor[%d]", obj_w, qr_size, scale);
+
     /*Expand the qr encodet binary to canvas size*/
     for(int y = 0; y < scaled; y++) {
         for(int x = 0; x < scaled; x++) {
diff --git a/lib/lv_lib_qrcode/qrcodegen.h b/lib/lv_lib_qrcode/qrcodegen.h
index a0ab0473..59a55a0c 100644
--- a/lib/lv_lib_qrcode/qrcodegen.h
+++ b/lib/lv_lib_qrcode/qrcodegen.h
@@ -122,8 +122,22 @@ struct qrcodegen_Segment
 
 /*---- Macro constants and functions ----*/
 
-#define qrcodegen_VERSION_MIN 1 // The minimum version number supported in the QR Code Model 2 standard
-#define qrcodegen_VERSION_MAX 3 // The maximum version number supported in the QR Code Model 2 standard
+/* Version number supported in the QR Code Model 2 standard
+* higher version numbers can process longer texts but require more memory and computing time.
+*
+* VERSION_MAX = 3 : max text length to encode 42 alphanumeric characters
+* VERSION_MAX = 5 : max text length to encode 85 alphanumeric characters
+* VERSION_MAX = 7 : max text length to encode 122 alphanumeric characters
+* VERSION_MAX = 9 : max text length to encode 180 alphanumeric characters
+* VERSION_MAX = 11 : max text length to encode 251 alphanumeric characters
+* VERSION_MAX = 15 : max text length to encode 412 alphanumeric characters
+* and so on
+* VERSION_MAX = 25 : openHASP restarts on qrcode update 
+*/
+#define qrcodegen_VERSION_MIN 1 // The minimum version number
+#ifndef qrcodegen_VERSION_MAX
+    #define qrcodegen_VERSION_MAX 7 // The maximum version number
+#endif
 
 // Calculates the number of bytes needed to store any QR Code up to and including the given version number,
 // as a compile-time constant. For example, 'uint8_t buffer[qrcodegen_BUFFER_LEN_FOR_VERSION(25)];'