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Forums13
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Most Online117 Jan 16th, 2020
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#28146 - 11/07/19 07:19 PM
What elevator do I have?
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Joined: Nov 2019
Posts: 14
mjz3348
stranger
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stranger
Joined: Nov 2019
Posts: 14
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I have a residential elevator which stopped working. Error code reported by the controller (in attic) shows: "open car safety circuit" & "There is a fault, floor = 0". I checked the first floors door lock and it seems fine. Cleaning the contacts and rebooting (power re-start) of the system does not change anything. The elevator will not go into "re-learn" mode so I can set the floors. I have no idea what elevator or control board this is from - Can someone suggest where I can get a manual? My elevator company is not avialable for awhile so I am hoping to debug. Control Board
Last edited by mjz3348; 11/07/19 07:20 PM.
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#28150 - 11/07/19 08:59 PM
Re: What elevator do I have?
[Re: workingclass]
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Joined: Nov 2019
Posts: 14
mjz3348
stranger
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stranger
Joined: Nov 2019
Posts: 14
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Please don’t try to troubleshoot You are not trained People can die.
No one is going to die. I am just trying to understand what the likely culprit is from the experts on this forum. I am very technical. The installation company (not available) gave me instructions years ago on how to reset the elevator if it loses its "floor" memory. I followed the instructions and the elevator doesn't respond. Power is on, lights in the cab are working. I am not going to "do anything". Based on the link - can someone at least tell me what brand/ model I have?
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#28167 - 11/08/19 08:47 PM
Re: What elevator do I have?
[Re: Indirtwetrust]
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Joined: Nov 2019
Posts: 14
mjz3348
stranger
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stranger
Joined: Nov 2019
Posts: 14
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The board in the picture says Conquest Thanks - I see it is Conquest 15152 control board. I am waiting on a service visit. Hopefully they can fix this.
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#28228 - 11/19/19 12:59 AM
Re: What elevator do I have?
[Re: mjz3348]
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Joined: Nov 2019
Posts: 14
mjz3348
stranger
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stranger
Joined: Nov 2019
Posts: 14
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Update:
The elevator technician finally arrived today and the problem was a broken O-ring which surrounds a metal counting wheel. The rubber portion rides along a guide rail turning the wheel. He replaced the entire wheel/O-ring with a new solid rubberized wheel (no O-ring) and the elevator was running again.
When the O-ring broke, the elevator lost floor count (two floors) and stopped at the upper limit. The tech manually dropped the elevator by bypassing that switch and then put the elevator into 'learn' mode with new wheel in place. He reconnected the by-passed switch and the elevator is running.
A new problem, however, is that the door lock clicks lock and unlock every 5 minutes or so and the cab light pops on. It does this on both floors. I have no idea what is causing this, but the elevator does work. To stop the door lock/unlock clicking sound and the lights staying on, I have to kill power to the elevator.
Last edited by mjz3348; 11/19/19 01:01 AM.
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#28236 - 11/19/19 04:57 PM
Re: What elevator do I have?
[Re: tayto]
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Joined: Nov 2019
Posts: 14
mjz3348
stranger
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stranger
Joined: Nov 2019
Posts: 14
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garaventa bought quest over a decade ago. they actually have a change up for the encoder "o-ring" that is a molded polyurethane roller (red). is your elevator hydraulic or traction? i assume traction... The technician replaced the o-ring with the 'red' polyurethane roller you described above. The elevator I believe is traction. It has steel cables connected to counterweights. Very slim design. I wonder if I can get schematics from Garaventa? Once the technician disabled/bypassed the upper limit switch, he was able to lower the cab to be level with the second floor. From there, he re-connected the UL switch and put the unit into learn mode which was successful. The elevator would then operate normally up and down. Leaving the elevator at the second floor however, about an hour later, on its own, it moved up a few inches, showed "3" on the display and locked out (upper limit switch hit). I can't fathom why it would do this.
Last edited by mjz3348; 11/19/19 04:58 PM.
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#28266 - 11/22/19 12:05 AM
Re: What elevator do I have?
[Re: elmcannic]
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Joined: Nov 2019
Posts: 14
mjz3348
stranger
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stranger
Joined: Nov 2019
Posts: 14
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mjz,
You seem a pretty observant person, and those observations most likely declare what the issue is. I don’t believe, although I could be wrong, and I know you’re curious...anyone here is going to tell you directly what they believe the issue most likely is, let alone the “how’s” to fix the “why’s. You’ll most likely learn a bit more when the tech come out again.
Oh- very daring of you to be in the cabin during the “learn run” process! If you have a moment, read the discussion titled, “Discuss Close Call” and you’ll quickly understand just how dangerous our trade can be. Riding in the cab during a “learn run”? I would not recommend it.
It's a residential elevator - two floors. Even if it fell from the second floor to the first - I have jumped that height. It's not a big deal. I just want it fixed.
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