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Most Online117 Jan 16th, 2020
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#33782 - 08/29/22 11:04 PM
Miprom Hydro
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Joined: Jul 2013
Posts: 198
NewMech
member
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member
Joined: Jul 2013
Posts: 198
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Having intermittent issues with a Miprom Hydro for the last few years. Symptoms are in response to a hall call the doors may open half an inch, half way or not at all. Sometimes they open all the way and have no dwell time. Two stops, issue occurs at both landings. Issue also present with car calls. If you hold the button, hall or car, the doors will continue to open.
To no avail, the following items have been changed: all input cards, all output cards, both backplanes, power supply card, power supply, relay board, timer board, SRB, the board next to the SRB (can’t recall the name), door operator board, cable from operator to detector edge, limits in door operator, hoistway switches and traveling cable wires have been swapped around.
This issue may occur one in a week or remain failed for several days in a row.
I’ve finally got my hands on a tool and the car is currently failing.
Moving the run/debug jumper on the SRB yields no action in the debug menu.
Does anyone have any diagnostic information they can share?
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#33926 - 09/22/22 12:38 AM
Re: Miprom Hydro
[Re: NewMech]
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Joined: Aug 2018
Posts: 19
OH boy
stranger
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stranger
Joined: Aug 2018
Posts: 19
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#33936 - 09/23/22 03:46 AM
Re: Miprom Hydro
[Re: NewMech]
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Joined: Jul 2022
Posts: 12
LAmech
stranger
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stranger
Joined: Jul 2022
Posts: 12
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ALU = At floor leveling unit.
Not sure if that's relevant though, I think it's only used for group controllers.
When you replaced the backboards did you reuse the little voltage regulators that are mounted on the side of the metal cage and wired to the boards? If so, did you confirm you have a clean 14vdc coming out of them. There should be 2 capacitors on the right side of the cardrack you can measure the voltage across fairly easily. Also, flip to AC and see if there's any AC coming through.
Those can go bad and cause all sorts of input issues. Usually the card leds will stay on or off and it will be a row or entire card but I wouldn't be surprised if it could cause this issue.
Last edited by LAmech; 09/23/22 03:46 AM.
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