From 9177e7a6c368ec597984783bb7d7f50195abbea5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oliver=20K=C3=B6ster?=
 <36196269+knutwurst@users.noreply.github.com>
Date: Thu, 3 Feb 2022 08:32:23 +0100
Subject: [PATCH] Updated FAQ (english) (markdown)

---
 FAQ-(english).md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/FAQ-(english).md b/FAQ-(english).md
index 4cdc467..b72a02f 100644
--- a/FAQ-(english).md
+++ b/FAQ-(english).md
@@ -74,6 +74,14 @@
 
 >No, just download the correct version. Nevertheless, you should still calibrate the steps.
 
+## When I try to start printing, the console shows: "**Failed to enable Bed Leveling**".
+
+>This error always occurs when an _attempt_ is made to activate mesh bed leveling, but no valid mesh is stored in the firmware. Activation is done with `M420 S1` in the start code, but this requires that the mesh bed leveling has also been done beforehand. You can easily check this by typing `M503` into the console and looking for several G29 commands. With `G29 S0` you can display the current mesh.
+>
+>Alternatively, you can also delete the line `M420 S1` from the start code so that mesh leveling is deactivated. But then there is no compensation for unevenness in the bed.
+>
+>OctoPrint likes to report "_The firmware of your printer has reported an error._" and aborts the print immediately.
+
 ## The mesh leveling seems to have no effect or the nozzle scratches the heating bed
 
 >You have to enter in your start code that the mesh should be loaded and activated. You do this by entering the lines **M420 S1** after **G28** in your start code in the slicer.