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ISY-99i to Insteon 2476d Dimmer Switch Comm Issues


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Posted

I recently puchased the ISY-99i. I am running 2.7.14 of the firmware. I keep getting issues with communiations to my 2476D Insteon dimmer switch. I have it set to come on at sunset and go off at sunrise. I get the following message:

 

Device Communications Error

Cannot Communicate With Front Porch Lights (13 99 AD 1). Please check connections.

 

Sometimes it works flawlessly while others generate the communications errors. Here are some records from the log file:

 

Front Porch Lights Status Query Sat 2010/04/24 05:53:35 PM Web Log

Front Porch Lights Sat 2010/04/24 05:54:03 PM System -2

Front Porch Lights Status Query Sat 2010/04/24 05:54:21 PM Web Log

Front Porch Lights Status Query Sat 2010/04/24 05:54:54 PM Web Log

Front Porch Lights Status Query Sat 2010/04/24 06:34:51 PM Web Log

Front Porch Lights Status 0% Sat 2010/04/24 06:35:00 PM System Log

Front Porch Lights On Level 41% Sat 2010/04/24 06:35:00 PM System Log

Front Porch Lights Ramp Rate 4.5 Sec Sat 2010/04/24 06:35:00 PM System Log

Front Porch Lights On 112 Sat 2010/04/24 09:06:09 PM Web Log

Front Porch Lights Sat 2010/04/24 09:06:13 PM System -2

Front Porch Lights On Sat 2010/04/24 09:06:17 PM Web Log

Front Porch Lights Fast On Sat 2010/04/24 09:06:20 PM Web Log

Front Porch Lights Status 10% Sat 2010/04/24 09:06:30 PM System Log

Front Porch Lights Status 26% Sat 2010/04/24 09:06:30 PM System Log

Front Porch Lights Status 48% Sat 2010/04/24 09:06:31 PM System Log

Front Porch Lights Status 57% Sat 2010/04/24 09:06:33 PM System Log

Front Porch Lights Status 73% Sat 2010/04/24 09:06:33 PM System Log

Front Porch Lights Status 95% Sat 2010/04/24 09:06:34 PM System Log

Front Porch Lights Status 100% Sat 2010/04/24 09:06:34 PM System Log

Front Porch Lights Sun 2010/04/25 03:00:27 AM System -2

Front Porch Lights Status 0% Sun 2010/04/25 10:25:33 AM System Log

Front Porch Lights On Sun 2010/04/25 01:02:18 PM Web Log

Front Porch Lights Sun 2010/04/25 01:02:22 PM System -2

Front Porch Lights On Sun 2010/04/25 01:02:30 PM Web Log

 

Thanks for any assistance with resolution.

Posted

I am not much use reading the log files, but it sounds like you have a classic case of communication problems. How many devices do you have in your system? Do you have access points, or other methods to bridge the power phases in your electrical system? Do you have devices in your house that can cause interference (UPS for your computer? Power conditioners? Certain TVs and power supplies? etc....) Do you use any filters for those electronic devices? Do you have your PLM plugged into the same outlet as your computer system and related peripherals?

 

As a check, try running scene tests from your ISY admin panel. See if it gives any indication of communication problems. Let us know how it goes.

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