Add extra max-temp safety checks (#13756)

Marlin/src/lcd/language/language_en.h

 #ifndef MSG_HEATING_FAILED_LCD_BED
   #define MSG_HEATING_FAILED_LCD_BED          _UxGT("Bed heating failed")
 #endif
+#ifndef MSG_HEATING_FAILED_LCD_CHAMBER
+  #define MSG_HEATING_FAILED_LCD_CHAMBER      _UxGT("Chamber heating fail")
+#endif
 #ifndef MSG_ERR_REDUNDANT_TEMP
   #define MSG_ERR_REDUNDANT_TEMP              _UxGT("Err: REDUNDANT TEMP")
 #endif
 #ifndef MSG_THERMAL_RUNAWAY_BED
   #define MSG_THERMAL_RUNAWAY_BED             _UxGT("BED THERMAL RUNAWAY")
 #endif
+#ifndef MSG_THERMAL_RUNAWAY_CHAMBER
+  #define MSG_THERMAL_RUNAWAY_CHAMBER         _UxGT("CHAMBER T. RUNAWAY")
+#endif
 #ifndef MSG_ERR_MAXTEMP
   #define MSG_ERR_MAXTEMP                     _UxGT("Err: MAXTEMP")
 #endif

Marlin/src/module/temperature.cpp

  */
 
 #if HAS_HEATED_BED
-  #define _BED_PSTR(E) (E) == -1 ? PSTR(MSG ## _BED) :
+  #define _BED_PSTR(M,E) (E) == -1 ? PSTR(M ## _BED) :
 #else
-  #define _BED_PSTR(E)
+  #define _BED_PSTR(M,E)
 #endif
 #if HAS_HEATED_CHAMBER
-  #define _CHAMBER_PSTR(E) (E) == -2 ? PSTR(MSG ## _CHAMBER) :
+  #define _CHAMBER_PSTR(M,E) (E) == -2 ? PSTR(M ## _CHAMBER) :
 #else
-  #define _CHAMBER_PSTR(E)
+  #define _CHAMBER_PSTR(M,E)
 #endif
-#define _E_PSTR(M,E,N) (HOTENDS >= (N) && (E) == (N)-1) ? PSTR(MSG_E##N " " M) :
-#define TEMP_ERR_PSTR(M,E) _BED_PSTR(E) _CHAMBER_PSTR(E) _E_PSTR(M,E,2) _E_PSTR(M,E,3) _E_PSTR(M,E,4) _E_PSTR(M,E,5) _E_PSTR(M,E,6) PSTR(MSG_E1 " " M)
+#define _E_PSTR(M,E,N) ((HOTENDS) >= (N) && (E) == (N)-1) ? PSTR(MSG_E##N " " M) :
+#define TEMP_ERR_PSTR(M,E) _BED_PSTR(M,E) _CHAMBER_PSTR(M,E) _E_PSTR(M,E,2) _E_PSTR(M,E,3) _E_PSTR(M,E,4) _E_PSTR(M,E,5) _E_PSTR(M,E,6) PSTR(MSG_E1 " " M)
 
 // public:
 
   #endif
 
   HOTEND_LOOP() {
+    if (degHotend(e) > temp_range[e].maxtemp)
+      temp_error(e, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, e));
 
     #if HEATER_IDLE_HANDLER
       hotend_idle[e].update(ms);
 
   #if HAS_HEATED_BED
 
+    if (degBed() > BED_MAXTEMP)
+      temp_error(-1, PSTR(MSG_T_THERMAL_RUNAWAY), TEMP_ERR_PSTR(MSG_THERMAL_RUNAWAY, -1));
+
     #if WATCH_BED
       // Make sure temperature is increasing
       if (watch_bed.elapsed(ms)) {        // Time to check the bed?
     void Temperature::set_heating_message(const uint8_t e) {
       const bool heating = isHeatingHotend(e);
       #if HOTENDS > 1
-        ui.status_printf_P(0, heating ? PSTR("E%i " MSG_HEATING) : PSTR("E%i " MSG_COOLING), int(e + 1));
+        ui.status_printf_P(0, heating ? PSTR("E%c " MSG_HEATING) : PSTR("E%c " MSG_COOLING), '1' + e);
       #else
         ui.set_status_P(heating ? PSTR("E " MSG_HEATING) : PSTR("E " MSG_COOLING));
       #endif