diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp index 665e5b5ec98..554ee003135 100644 --- a/Marlin/temperature.cpp +++ b/Marlin/temperature.cpp @@ -308,6 +308,11 @@ uint8_t Temperature::soft_pwm_amount[HOTENDS]; return; } + if (target > GHV(BED_MAXTEMP, maxttemp[hotend]) - 15) { + SERIAL_ECHOLNPGM(MSG_PID_TEMP_TOO_HIGH); + return; + } + SERIAL_ECHOLNPGM(MSG_PID_AUTOTUNE_START); disable_all_heaters(); // switch off all heaters.