Use runaway counter trigger

source/Core/Threads/UI/logic/OperatingModes.h

@@ -83,5 +83,5 @@ OperatingMode showWarnings(const ButtonState buttons, guiContext *cxt);
 // Common helpers
 int8_t getPowerSourceNumber(void); // Returns number ID of power source
 
-extern bool heaterThermalRunaway;
+extern uint8_t heaterThermalRunawayCounter;
 #endif

source/Core/Threads/UI/logic/Soldering.cpp

@@ -161,10 +161,10 @@ OperatingMode gui_solderingMode(const ButtonState buttons, guiContext *cxt) {
     return OperatingMode::Sleeping;
   }
 
-  if (heaterThermalRunaway) {
-    currentTempTargetDegC = 0; // heater control off
-    heaterThermalRunaway  = false;
-    cxt->transitionMode   = TransitionAnimation::Right;
+  if (heaterThermalRunawayCounter > 8) {
+    currentTempTargetDegC       = 0; // heater control off
+    heaterThermalRunawayCounter = 0;
+    cxt->transitionMode         = TransitionAnimation::Right;
     return OperatingMode::ThermalRunaway;
   }
   return handleSolderingButtons(buttons, cxt);

source/Core/Threads/UI/logic/SolderingProfile.cpp

@@ -159,9 +159,9 @@ OperatingMode gui_solderingProfileMode(const ButtonState buttons, guiContext *cx
     setBuzzer(false);
     return OperatingMode::HomeScreen;
   }
-  if (heaterThermalRunaway) {
-    currentTempTargetDegC = 0; // heater control off
-    heaterThermalRunaway  = false;
+  if (heaterThermalRunawayCounter > 8) {
+    currentTempTargetDegC       = 0; // heater control off
+    heaterThermalRunawayCounter = 0;
     return OperatingMode::ThermalRunaway;
   }
 

source/Core/Threads/UI/logic/utils/SolderingCommon.cpp

@@ -9,7 +9,7 @@
 #include "history.hpp"
 #include "ui_drawing.hpp"
 
-extern bool heaterThermalRunaway;
+extern uint8_t heaterThermalRunawayCounter;
 
 bool checkExitSoldering(void) {
 #ifdef POW_DC