Question about Broan-NuTone Nutone Iaa440 Expansion Kit for Im4406whIm4406l

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I have the IMA 4406 master station from Nutone. I have the terminal board for the IAA-440 expansion module installed. We had thunderstorm that blew out the master station and a guy came today and replaced the master station. It works. The main floor and basement with the 9 remote stations all play radio and CD etc. But all remote stations connected through the expansion module are not working. The switches on the masterstation are all set to radio/intercom and my question (since it took me a month to get this guy back to my house for service) is : The wiring all looks correct except there is a wiring harness from CN1202 that is waving in the breeze....does this need to plug in somewhere?

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Ok, well IF the expansion kit was hooked up at the time of the demise of the "Others" then perhaps the expansion box too is faulty, thunderstorm damage can be very weird, I have seen many many strange results.
You need to make sure that the extender is OK. first...

manuals below.

Posted on Nov 09, 2010


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