Discuss AutoTrading Scheduler expert advisor here. This EA lets you control the status of the AutoTrading button in the platform, effectively giving you control over how other expert advisors in the platform operate based on time. You can ask any questions about this MetaTrader tool here.
That doesn't depend on which chart you attach it to. If it doesn't close trades, then there is some other problem. Please check if autotrading is enabled, the checkbox to attempt closing trades is ticked, and if there are any errors in the Experts tab of the Terminal subwindow at around the time when it should have closed some trades.