diff --git a/config/examples/delta/FLSUN/auto_calibrate/Configuration.h b/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
index 96ffb82ff2..96571231a8 100644
--- a/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
+++ b/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
@@ -621,14 +621,14 @@
 // Above this temperature the heater will be switched off.
 // This can protect components from overheating, but NOT from shorts and failures.
 // (Use MINTEMP for thermistor short/failure protection.)
-#define HEATER_0_MAXTEMP 250
-#define HEATER_1_MAXTEMP 250
-#define HEATER_2_MAXTEMP 250
-#define HEATER_3_MAXTEMP 250
-#define HEATER_4_MAXTEMP 250
-#define HEATER_5_MAXTEMP 250
-#define HEATER_6_MAXTEMP 250
-#define HEATER_7_MAXTEMP 250
+#define HEATER_0_MAXTEMP 255
+#define HEATER_1_MAXTEMP 255
+#define HEATER_2_MAXTEMP 255
+#define HEATER_3_MAXTEMP 255
+#define HEATER_4_MAXTEMP 255
+#define HEATER_5_MAXTEMP 255
+#define HEATER_6_MAXTEMP 255
+#define HEATER_7_MAXTEMP 255
 #define BED_MAXTEMP      115
 #define CHAMBER_MAXTEMP  60