I have not encountered that with Timers but I have seen it with macros. Would assume it is the same issue. As a work around you can trigger a macro with the event the first Timer is causing and put a 2 second delay on the macro action. Are your Timers working with Insteon or X10?
Reply To: Two timers firing at the same time 2017-12-22T06:57:31+00:00