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Forums13
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Posts36,813
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Most Online117 Jan 16th, 2020
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#14079 - 05/04/15 10:50 PM
Re: Dover Composite
[Re: DripCan]
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Joined: Feb 2013
Posts: 759
john jay
old hand
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old hand
Joined: Feb 2013
Posts: 759
ohio
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20 years ago this was our everyday world. You have to play detective and eliminate problem areas from your thinking one by one. A lot of times when a Dover was stuck at a floor it would be from what we called a CS lockup. The CS relay should pulse in and out, but things like a door lock bouncing would cause it to pull in and stay energized. You may want to look at that circuit closely. Also if you have worn leveling rings on the selector it can create problems. A wire relay checker from SEES was also an invaluable tool for checking out Dover Relays. When you pull a relay out be sure to wiggle it from side to side and not up and down, this causes the base pins to get bent. Good Luck.
Last edited by john jay; 05/04/15 11:01 PM. Reason: not complete
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#14094 - 05/05/15 08:48 PM
Re: Dover Composite
[Re: christycollett]
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Joined: Jan 2014
Posts: 130
DripCan
member
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member
Joined: Jan 2014
Posts: 130
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ok had FT faulted out borrowed tester an found only one contact in CS working replaced an no calls as of now. Christy I will be contacting you because I got a told about control of live electrical source.Cant use SEES tool with power off.
Last edited by DripCan; 05/05/15 08:50 PM.
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#14099 - 05/06/15 10:40 PM
Re: Dover Composite
[Re: DripCan]
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Joined: Jan 2010
Posts: 663
danzeitz
addict
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addict
Joined: Jan 2010
Posts: 663
st.louis mo
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Wizbang mark v is our relay tester of choice.
Last edited by danzeitz; 05/06/15 10:42 PM.
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#14918 - 08/27/15 07:01 PM
Re: Dover Composite
[Re: dkwoodham]
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Joined: Sep 2013
Posts: 22
J-R
stranger
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stranger
Joined: Sep 2013
Posts: 22
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PM me your email address ill send you a Dover Library
Last edited by J-R; 08/27/15 07:04 PM.
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#33396 - 07/14/22 01:04 AM
Re: Dover Composite
[Re: Fduncan]
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Joined: Apr 2020
Posts: 397
Montana
enthusiast
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enthusiast
Joined: Apr 2020
Posts: 397
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#33397 - 07/14/22 12:56 PM
Re: Dover Composite
[Re: boomer]
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Joined: Jun 2022
Posts: 2
Fduncan
stranger
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stranger
Joined: Jun 2022
Posts: 2
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I recently picked up a building on my route and here goes. I’m working on a 12 stop Dover composite. It is a duplex, but whoever had them before me removed the top mounted selector and installed some kind of electronic one on elevator #1, that elevator is currently out of service and to my knowledge has been for some time. That isn’t the one I’m working on though, the one I’m working on has original selector on top and was operating fine until about 2 weeks ago when the down calls on floors 2, 3, and 4 stopped working. It would take an up call but no down call from those floors. All calls worked on other floors. Over the past 2-3 days this elevator has stopped working completely, then it started going to random floors when any call was given, then without changing anything would start going from top to bottom nonstop cycling doors at those landings. After cleaning the sleds and the top mounted selector and checking and cleaning all of the ibm relays carefully it started working properly for about 10 minutes then started going from top to bottom again no matter what call was given. Then all of sudden while I was going prints that are on jobsite but not clearly not for this particular job the elevator started taking up calls and going to designated floor just fine, on the down call it would go to the floor below the designated call, cycle doors then go up one floor to designated call. After about and hours or so of that it started stopping at every floor cycling doors no matter what call or which direction. After a 17 hour day I went home last night, came back this morning and it’s back to running top to bottom. I’m at a complete loss, and I’ve only got one other composite on my route at the moment so I’m not real familiar with these. Any and all advice is much appreciated. Work safe!
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