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#26526 - 04/12/19 02:20 PM Miprom 21 hall call issue  
Joined: Feb 2016
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Bricker Offline
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I have a miprom 21 2 car group. When one of the cars is at certain floors and a hall call is registered the elevator will not respond. I have replaced the output board. When the car is registered I get my input light but the output light just flashes and doesn’t stay on. I also have the laptop from Kone and have ran the test on the output board and can watch the lights come on and hear the relays latch. Any help is appreciated.

#26532 - 04/12/19 03:27 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Dec 2010
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elmcannic Offline
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elmcannic  Offline
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S. Central Utah
Only one car does it?
If so, quite possible the call is being cancelled due to the car being “at floor”, but the (MAC 104) door open pilot relay(s) is bad, or the opening slow speed doesn’t have the poop to open the door. If the NUD relay appears unmolested, You can swap the DO pilot with NUD on the door board and see if your issue continues (if you have enough new relays, replace them).Tight belt or bad belt(s) will give door troubles too. Also check the operator sheaves for proper alignment one to another. I’ve seen the set screws loosen and sheaves walk out or in causing door troubles.

#26533 - 04/12/19 03:29 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Feb 2013
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john jay Offline
old hand
john jay  Offline
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ohio
Does this car have the IPD system? If it does hall calls can be locked out. Check IPD_Front_HX, per floor. True locks that floor, false not locked. There is also a rear IPD

Last edited by john jay; 04/12/19 03:31 PM. Reason: added on
#26534 - 04/12/19 04:33 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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Posts: 24
Bricker Offline
stranger
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Only one car does it. So I don’t think I describe it very well. So if elevator 3 is at 3rd floor and I hit down call. The call will latch but the elevator will not open the doors. However if the elevator goes to another floor it will then come back to take the hall call.

Now separately elevator 3 and 4 both have the output board. I swapped them and it went away for a few days but it’s back now. But on elevator 4 the output light stays on until the call is answered but elevator 3 output light just flashes on then goes off.

To make this even better it’s the miprom is an overlay combined with a Dover relay logic. This is on a dc traction elevator

#26536 - 04/12/19 06:09 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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john jay Offline
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john jay  Offline
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ohio
So not exactly a 2 car group, and not quite a Miprom 21. So an at floor hall call should make DO10 output go high. DO17 the door closed limit input should be Hi, and the also DO3 input, when sitting with the doors closed. Is the operator a MAC 104 board? Is there some kind of door zone relay left from Dover? If there is a common panel on this? If so, there is are inputs called UP and DN to pilot an at floor door open. Good Luck.

#26538 - 04/12/19 09:16 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Dec 2015
Posts: 1,527
Indirtwetrust Offline
ElevatorPractitioner
Indirtwetrust  Offline
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Posts: 1,527
Local 18
Wow that is interesting. So does each car have an overlay with M21 CPU, PIO, SIO? Or is it just an M21 CPU and PIO running the group? That might be a have to be there to figure it out kind of problem. I’ve never really understood the logic of doing an overlay.

#26541 - 04/12/19 11:23 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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john jay Offline
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john jay  Offline
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ohio
The one I worked on had the CPU and PIO laying horizontally, and a card rack with input and output boards. The only reason for an overlay, is because that was the cheapest way to get fire service.

#26542 - 04/12/19 11:27 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Dec 2010
Posts: 566
elmcannic Offline
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elmcannic  Offline
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S. Central Utah
Well, I’m out on this one!

Good luck Bricker...you get all the good ones!

#26554 - 04/14/19 08:53 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Feb 2016
Posts: 24
Bricker Offline
stranger
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Each car has the miprom overlay and they both have the cpu, pio and sio boards vertically. It has the card rack in a separate controller underneath

#26563 - 04/15/19 01:54 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Jan 2014
Posts: 736
Rolly Offline
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Rolly  Offline
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I believe what you have is called a "Lonnie" overlay. Was not supposed to be permanent. Was to allow all cars to talk to the Miprom Group when modded. Not sure how much info I have on it, but we used it on an Otis A Base before a Mod. I do remember the communication wires were very different then thought and very touchy units. I am pretty sure if it is a Lonnie that you can talk to it with a real svc tool using the Lon on the tool.

#26564 - 04/15/19 02:06 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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john jay Offline
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john jay  Offline
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ohio
Do these have CSV1 and CSV2 toggling on and off? like a master/slave setup? another thought, if the output stays hi, only as long as the input, it may be out of service for one reason or another. you need to look the I O's over and see if this is the case. Make sure binary counting and such are correct. Is the an HCN input. this cancels hall calls, and is used with the PB1 PB2 PB3 PB4 binary car position. Check closely one may be incorrect and the car would think it is on another floor.

#26571 - 04/15/19 06:02 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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Rolly Offline
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Rolly  Offline
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I think you need a svc tool to set up that will do lon. Not sure if world tool does lon setup.

Last edited by Rolly; 04/15/19 06:05 PM.
#26572 - 04/15/19 06:08 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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Rolly Offline
old hand
Rolly  Offline
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I seem to remember an IPD computer on the job we could do a lot with too. It was connected to group.

#26591 - 04/16/19 05:26 AM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Oct 2012
Posts: 262
Philly Offline
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Philly  Offline
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Posts: 262
A level 4 tool will work for m21 lon.

#26592 - 04/16/19 05:42 AM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Oct 2012
Posts: 262
Philly Offline
enthusiast
Philly  Offline
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Posts: 262
A level 4 tool will work for m21 lon. But id check all output boards in that rack. Could be a diff board causing that output to not come up. Does it blink high for a split second on your tool? Like 3u/3d input is high, but do10 output won't open door? What if you give it a 3c at that time? Go to motion tab i think then IOs. Watch DO10 there.

I have a customer describing what seems to be the same problem. Mine is a 96 vintage digital dc four-plex. Haven't been able to see it happen yet. I think its a hall call input board issue, 2 of my four have the hall call inputs. I've sat on this bitch for 4 hours last week, 2 different days and of course it didn't happen.

#26623 - 04/17/19 04:09 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Feb 2016
Posts: 24
Bricker Offline
stranger
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How do I know if I have a level 4 tool? I have a laptop from kone that connects to it.

#26626 - 04/17/19 06:40 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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Posts: 24
Bricker Offline
stranger
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So I’m back out here messing with this. I have found that neither the up or down hall output boards the light stays on. I can see the outputs on my laptop and they stay at 0 and never go to 1.

#26627 - 04/17/19 07:07 PM Re: Miprom 21 hall call issue [Re: Bricker]  
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john jay Offline
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john jay  Offline
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Posts: 757
ohio
Did you check the binary counting i/o's with the car position. What about HCN input. do you have one? Also on the i/o boards, if you can easily wiggle the terminal block on each board, you need to spread the pins on the board where it plugs in to the terminal strip.

#26629 - 04/17/19 10:22 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: Dec 2015
Posts: 1,527
Indirtwetrust Offline
ElevatorPractitioner
Indirtwetrust  Offline
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Joined: Dec 2015
Posts: 1,527
Local 18
If the LEDs light but you don’t see the input change state on the computer, the input board is bad, right?

#26676 - 04/21/19 01:52 PM Re: Miprom 21 hall call issue [Re: Bricker]  
Joined: May 2013
Posts: 224
Jcjmowrey Offline
enthusiast
Jcjmowrey  Offline
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Joined: May 2013
Posts: 224
Atlanta ga
Mmogomlb, that works great on a Miprom 21


If all else fails, read the instructions

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