PLM not sending signals?

[dzarn]

I have about 20 Insteon devices - switchlincs, fanlincs, KPLs, and a thermostat. They've been working great for 2 years. Within the last couple of weeks things started getting flaky. My initial troubleshooting pointed to a bad PLM - it seemed like the PLM would receive signals but couldn't send them. Any communication that didn't involve the PLM (e.g. scenes) worked perfectly. Any programs on the PLM triggered by various Insteon commands, e.g. when switch A is fast off at night, turn off a couple additional lights, would be triggered (last run time updated to now) but the destination lights weren't affected. I got Smarthome to replace the PLM, and when I hooked up the new one and restored tonight....no change. The ISY has the latest firmware. Restoring the PLM failed, so most likely all my devices now have no idea that this new PLM exists, further complicating things.

 

There are no new devices (either Insteon or possible signal suckers) that have gone in recently. The only change is that I've taken out all of the wiring in our semi-finished basement, in prep for gutting it and remodeling it. However, all of this was on a separate subpanel and never had Insteon devices on it, so I can't see it having an effect. I did get a new Outletlinc today, which I'm not able to add to the ISY (not surprising).

 

All that being said, any ideas? Could it be an ISY problem (e.g. it says it's sending signals, but isn't)? Am I missing something completely obvious? Should I just pull out all my Insteon and set it on fire? Any help is much appreciated!

[Teken]

Perform a 4 tap beacon test on the new PLM with another dual band device and report back the success / failure of the bridging / coupling.

 

I would also run a compare on what the ISY thinks there is for links when comparing to the new PLM.

 

 

Encrypted By: Phoenix Security Solutions

[dzarn]

So apparently my brain just needed me to put all these thoughts in one place. Literally 30 seconds after making my post, I walked over to plug in a charger, and noticed that the 3-outlet splitter I had put in a couple weeks ago had a little light on it. So what the heck, I unplugged it - and everything works perfectly. Apparently the circuit to power the LED is incredibly efficient at gobbling down Insteon signals.

 

For the record, it's a Cooper 1147LT current tap - http://www.cooperindustries.com/content/public/en/wiring_devices/products/taps_and_adapters/taps/_3_wire_grounding/three_outlet_taps_1147_1147lt.html- I'll be throwing this thing far, far away.

[Teken]

That's awesome! ️

 

 

Encrypted By: Phoenix Security Solutions

[stusviews]

Innocuous device creates INSTEON havoc. That's a gremlinc if ever there was one