Omegared

I've removed the CFL's, left a covered empty socket, and tried communicating with the SwitchLinc while it was ON. Still giving me Communication error, but it's intermittent now, sometimes it works, sometimes it doesn't: Could there be a short on the wiring? Since it's an outside junction box, would rust on the wires cause this? any other leads that I can investigate as to why it would be this intermittent?

Thanks! Will do! If test is successful and the fault lies with the CFLs... should I replace with LEDs?

The load which is controlled by this switch is 2 Exterior lamps. Each lamp has 2 bulbs - Luminus 23W (equivalent to 100w) spiral CFLs. I'm not sure what other devices are found on this particular power line, I can check that tomorrow by turning off the the breaker and verifying. I have another ToggleLinc (same model) installed on another line, that one only controls 1 exterior lamp (2 bulbs) as opposed to 4. That ToggleLinc gave me an red exclamation error once, immediately after I linked it, but it's been error free since.

Thanks for all your help, after adding a few additional dual-band devices over the weekend everything started working and have been able to link all the dimmers and other devices to the ISY. yey! However, nothing is ever easy and I seem to have a hold-out. The culprit is the same ToggleLinc switch (2466S) which I originally posted the log above, it was the device I was mainly testing during the early process and was giving me issues with linking (the "Cannot Determine Insteon Engine" error). I did a hard reset, turned the switch on and off, and then by some miracle it now linked. Shortly after successful link however, it followed by the "Cannot communicate with device" and red exclamation mark. Here is the synopsis so far: I just did some troubleshooting on it and the strangest thing is happening... I can only communicate with the ToggleLinc when the switch is at OFF. When the switch is ON, I get the Exclamation mark and no communication error. When it's OFF, I can Query it and it recognizes that it needs to receive updates (the icon next to the device is the green "11010" icon). It was refusing to Write the Updates to device giving me the "cannot communicate error" repeatedly, so I just pulled the switch out of the wall to check wiring, seems ok. With the device still pulled out of the wall, I turned the device on and off a few times, placed it OFF and again by some miracle it just accepted to write updates to device!! Now, I can query it when it's OFF and send an "ON" command and it works, it turns on the exterior lights. However, as soon as it does, I get the communication error and the red exclamation mark. I have to go and manually turn the switch OFF for it to re-communicate. Here is the level 3 log of sending the "ON" command and then once the error appears.. I try to send "OFF" command, nothing happens: Any ideas? Is it a defective device or bad wiring or ... supernatural occurrences (kidding)?

I'm thinking this question is for Broyd, but I'll just throw my info in the mix, in case it might provide some insight to the original issue: Most of the appliances are pretty standard 220/240 devices (AC, Dryer, Oven, etc), they are all on two-pole breakers.. However, it's an older house that I'm renovating and I ran out of space on the main panel, so I connected a secondary half-panel (connected to the main panel via a two-pole 50 amp breaker). There are a few 220/240 devices on the secondary panel such as AC unit and dryer. Can this secondary breaker panel provide additional challenges to bridge the phases?

Thank you guys. As long as this error is an "expected behavior" caused by the possibility that the 2 legs of the circuit are not bridged, then I'll keep moving forward and add a few more dual band devices. I was checking to see if it's not a blatant issue comm issue with either the ISY or PLM. On the next wave of device purchases I am going to get 2 lamplincs, thank you for the recommendation. Lee, you mentioned: I read about the 4 tap test for the PLM on a few forums, is that still a recommended or useful test to run that I have bridged the 2 phases? The posts I read don't provide a lot of info regarding the test..

I have about 4 SwitchLinc Dimmers, a couple of 6/8 button keypads, ToggleLincs, and a few battery operated devices (LeakSensor, Mini remote, motion detectors). This is a new install so this is the first wave of devices that I want to add. So far, I have only installed 2 of SwitchLincs Dimmers, 1 x 6 button keypad dimmer and 1 ToggleLinc. I wanted to start test linking to the ISY, unfortunately I have not been able to link a single device. I've been reading the troubleshooting suggestions from other users on this forum for the last 4 days, and none of the steps I have taken to troubleshoot my system have helped. I have done a hard reset of the installed switches - I tried unplugging the ISY first / then PLM / plugged back the PLM and wait 30 sec/ plug back ISY. I have even tried a Restore Modem (PLM), although that was likely pointless since I have no links tables. Here is the hardware, firmware and log info: ISY 994i ZW (firmware : Insteon_UD994_OADR_v.4.3.26 / UI : Insteon UD994 v.4.3.26) - PS: What's OpenADR and is that the correct firmware for my ISY? PLM 2413S V2.0 (PLM status/info: XX.XX.XX v9E / Connected) Level 3 comm log: The pairing attempt above is with a ToggleLinc that is about 10' from the PLM/ISY. I'm also guessing that the ToggleLinc (#2466SW ) is not a dual-band device(?). I tried Link Mode first, placed the ToggleLinc into link mode, when I press Finish nothing happens. Adding via New Insteon device (I left the device type on Auto Discover) gives the "Cannot determine Insteon Engine" error. Same scenario occurs when I attempt to link the Switchlincs, but these are installed on the same electrical line about 40' away along with the 6-button keypad. I've read that the most commonly associated issues that have to do with communication are usually a result of improper bridging of electrical legs or electrical noise on circuit. Since the only devices installed so far that can Dual-Link are the 6-button keypad and 2 x Switchlinc, and all of these are installed in the same switch box (i.e. same line), then I have not likely bridged the 2 phases? Do I keep adding the rest of the dual-band devices hoping that this solves the linking issue?