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Northernnelevators

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 kbjr
(@kbjr)
Joined: 1 second ago
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Topic starter   [#38551]
I have a northern controller the doors will open fine, but will not close. It is a TC-181 controller, I’m not dropping my voltage on DO7 to get a close signal where on the 3200 board does that come from. I can only chase it to TB3 056 on the board

Thanks



   
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(@elmcannic)
Joined: 1 second ago
Posts: 0
 
Does the unit use ECI door equipment?
If so, what happens when DO/DC are toggled? Normal operation to DOL/DCL?



   
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