diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp index c086d29e7a..89eaee2ef5 100644 --- a/Marlin/src/module/temperature.cpp +++ b/Marlin/src/module/temperature.cpp @@ -286,6 +286,11 @@ uint8_t Temperature::soft_pwm_amount[HOTENDS]; next_auto_fan_check_ms = next_temp_ms + 2500UL; #endif + if (target > GHV(BED_MAXTEMP, maxttemp[heater]) - 15)) { + SERIAL_ECHOLNPGM(MSG_PID_TEMP_TOO_HIGH); + return; + } + SERIAL_ECHOLNPGM(MSG_PID_AUTOTUNE_START); disable_all_heaters();