Configuration_adv
Назначаешь PIN к которому вентиль подключен
и настраиваешь хотелки
/**
* Controller Fan
* To cool down the stepper drivers and MOSFETs.
*
* The fan turns on automatically whenever any driver is enabled and turns
* off (or reduces to idle speed) shortly after drivers are turned off.
*/
//#define USE_CONTROLLER_FAN
#if ENABLED(USE_CONTROLLER_FAN)
//#define CONTROLLER_FAN_PIN -1 // Set a custom pin for the controller fan
//#define CONTROLLER_FAN_USE_Z_ONLY // With this option only the Z axis is considered
//#define CONTROLLER_FAN_IGNORE_Z // Ignore Z stepper. Useful when stepper timeout is disabled.
#define CONTROLLERFAN_SPEED_MIN 0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)
#define CONTROLLERFAN_SPEED_ACTIVE 255 // (0-255) Active speed, used when any motor is enabled
#define CONTROLLERFAN_SPEED_IDLE 0 // (0-255) Idle speed, used when motors are disabled
#define CONTROLLERFAN_IDLE_TIME 60 // (seconds) Extra time to keep the fan running after disabling motors
//#define CONTROLLER_FAN_EDITABLE // Enable M710 configurable settings
#if ENABLED(CONTROLLER_FAN_EDITABLE)
#define CONTROLLER_FAN_MENU // Enable the Controller Fan submenu
#endif
#endif