From c86c961d4ebdde8fecb941b90fe0ca639bb624f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gu=C3=B0ni=20M=C3=A1r=20Gilbert?= <gudni.m.g@gmail.com>
Date: Thu, 10 Nov 2022 21:49:59 +0000
Subject: [PATCH] M600: Fix bug where fan is not turned off

The firmware saves the current fanspeed before parking,
and the fanspeed is restored after unparking. The problem is the fan
was never actually paused.

Fixes #3670
---
 Firmware/Marlin_main.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index 5357328f4..37e77cb9a 100644
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -3538,6 +3538,9 @@ static void gcode_M600(bool automatic, float x_position, float y_position, float
 
     memcpy(lastpos, current_position, sizeof(lastpos));
 
+    // Turn off the fan
+    fanSpeed = 0;
+
     // Retract E
     current_position[E_AXIS] += e_shift;
     plan_buffer_line_curposXYZE(FILAMENTCHANGE_RFEED);