Thanks for your prompt response. Could you please explain action executed for 1st ten numbers stage of curing recipe and after executing previous step ,in case next step is not executed then what interlocking’s needs to be check. For example, in attached recipe 7, Vacuum timeout is 95sec which means vacuum valve ON for 95sec then vent hole timeout also is 95 and vent hole timer is 120. What is difference between vent hole timeout and timer? Please clarify.