From c0b000566b1e3970cfdc7c0771616fb1f6083d11 Mon Sep 17 00:00:00 2001
From: MRprusa3d <martin.remis@prusa3d.cz>
Date: Fri, 12 Apr 2019 21:39:30 +0200
Subject: [PATCH] (preliminary) fix @ preHeatError III

---
 Firmware/temperature.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Firmware/temperature.cpp b/Firmware/temperature.cpp
index 4a077a65a..cc547bc5d 100644
--- a/Firmware/temperature.cpp
+++ b/Firmware/temperature.cpp
@@ -1129,6 +1129,8 @@ void temp_runaway_check(int _heater_id, float _target_temperature, float _curren
           if (_isbed)
           {
                __hysteresis = TEMP_RUNAWAY_BED_HYSTERESIS;
+               if(_target_temperature>105.0)
+                    __hysteresis = TEMP_RUNAWAY_BED_HYSTERESIS * 3.0;
                __timeout = TEMP_RUNAWAY_BED_TIMEOUT;
           }
 #endif