How to use robinair acrm3412 machine?

To use the Robinair ACRM3412 machine, start by connecting the refrigerant hoses to the vehicle's AC service ports—ensure the correct connections for high and low sides. Power on the machine and select the appropriate service option on the display, such as recovery, recycling, or recharging. Follow the on-screen prompts to complete the process, ensuring to monitor the gauges and system status. After the service is completed, disconnect the hoses and perform any necessary system checks.