Why is my steam wand not frothing the milk?

Please try the following which should rectify the problem:- Ensure the steam function has been selected on the control panel. - Ensure the steam dial is fully open.- Check the milknozzle(s) are completelycleanandfree of milkdebris. (Therewillbeeither one or two removable milk nozzles depending on your machine). These should always be cleaned after each milk delivery session.- Check both o-rings are intact on the milk frother.