Look for conditions where multiple timers and/or macros are being triggered at the same time. Spread the firing times of coincident timers and add a few second delay with the After Delaying: field of macros.

Two points. First, in your other post you mentioned coincident timers causing a problem, no mention that an interaction of a timer and a macro or coincident macros can have the same result. Second, someone looking through the list of Topics for a symptom they are having may well find this Topic and not see your other post. I thought it important for the next person to benefit from your post who has the same symptom to have the complete information in one location. I apologize for any offense.

Simultaneous execution of Timers/Macros can cause the PLM to lock up where even an EZSrve Restart does not unlock. Pulling the plug seems to be the only solution once it is locked up. If you fire multiple Timers at Sunrise, do the second at Sunrise+ 1 mm, the third at Sunrise+2 mm, etc. If the Timers are working on individual Insteon devices, you can create a Group/Scene with each Insteon Device a responder and then have a single Timer control the Group/Scene. For Macros use the After Delaying: function to add a few seconds between simultaneous executions. SHN has made changes to EZSrve to reduce the lockup exposure but as you have experienced it has not been eliminated completely.

One thing you didn’t mention is whether you added any new electrical devices to your environment. Although Insteon is less susceptible to interference than X10, I’ve had to troubleshoot by unplugging things and putting in filters. What happens if you plug in your ApplianceLinc somewhere else, ideally close to the EZSrve?

The suggestions in the previous posts are all good things to look at. Was not clear if you still have a solid “PLM no response” condition. If you do unplug EZSrve for about 30 seconds and then plug it back in without pressing any buttons. Once the PLM has locked up it is generally necessary to unplug the EZSrve to clear. Restarting EZSrve has not been successful in the past unlocking the PLM. The only time I have seen the PLM lock up is when multiple Timer/Macro events are running at the same time. Multiple Timers triggered at the same time, multiple Macros being triggered from the same event, running at the same time, etc. It is not the fact that multiple Timers/Macros are running per say, but that they generate near simultaneous traffic to the PLM which can have a problem handling that kind of traffic.

Can you expand on what the Timers are doing with the X10 devices. How many X10 devices are you controlling at the same time. Are the X10 devices on the same 120V leg as the EZSrve. If not do you have X10 specific phase couplers installed. The Insteon phase couplers do not couple X10 messages. Smarthome has a BoosterLinc device which amplifies X10 that may improve X10 communications.

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