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Montgomery HH2

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(@wltr00)
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Topic starter   [#26882]
I've got a 2-stop old Hydro unit that is floor level with the doors open. It will run up/down on INSP, but will not run up/down on auto.

Please see the attached prints.

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IMG_02141001.jpg (304 KB, 59 downloads)
IMG_02151001.jpg (221.06 KB, 44 downloads)



   
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(@john jay)
Joined: 1 second ago
Posts: 0
 
Will the doors close on auto? what relays are energized? need a few clues.



   
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(@wltr00)
Joined: 1 second ago
Posts: 0
Topic starter  
Doors will close on INSP but not in AUTO.



   
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(@elmcannic)
Joined: 1 second ago
Posts: 0
 
Did you get it figured out today?
———————————————————-
Status of DOP, DO and PC in controller?
Safe Edge contact?
Door Board test/manual switch set incorrectly?
Operator Relays?
Stuck DOB?
Just a few ideas....



   
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(@john jay)
Joined: 1 second ago
Posts: 0
 
The print is hard to read, but it looks like you have to pick UDX to drop the DO relay. The UDX relay is picked with a direction, either up or dn. The common link in the direction circuit is, from what I can make out either LR or IR relay. take a close look at those associated contacts and relays. You should come up with a solution. Good Luck.



   
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