Elevator Forum

I have a 2004 A17.1 code book. It says in 2.27.3.1.6, that an elevator with vertical closing doors with a manual pressure close button that the elevat...

If the BF Relay is a Potter Brumfield you might want to see if it is hanging in with residual magnetism.

The Comparator is used as a zero-speed sensor, Tach loss detector, overspeed sensor, and field loss protection relay. The relay is energized in normal...

do not have the print, but this may help. Attachments smc soft start 1.jpeg (242.03 KB, 31 downloads) smc soft start 2.jpeg (193.7 KB, 21 download...

LED 7 is an internal timer that trips if the door does not get open or closed within a set time. I think it was 15 seconds. Once I had the same proble...

Ummm, I have been retired for a while now but correct me if I am wrong. There was no LON download or shaft setup on an HS Hydro. Those procedures were...

Yes a large board in the controller, it has 10 or 11 Molex connectors on the bottom, the part number used to be P-31888-001. Don't know if that is sti...

The Shifter Bd. is plug-and-play. the FCB Bd. is jumpers for the floor, and used for the Arrival gong, and Door side. The Gateway Bd. is for Duplexing...

I would check connections on the shifter board, look at the the 24vdc, and net connections. plug the Molex connectors in and out. Also gateway and Flo...

Also, the DO10 signal goes into the Car Panel Connection Board, and if memory serves me the signal to the operator is a 115vac contact. Nen side of th...

So on an HS like all Montgomery controllers, the open-door signal from the control is DO10, and DO7 is the door close signal. You need to see if the D...

I have the print, but it is a giant size. I think the little drawing is what I did for a Maxton conversion. Not 100% sure though

Let me know if you get this Attachments Esco 1.jpeg (438.99 KB, 40 downloads) Esco 2.jpeg (181.84 KB, 38 downloads) Esco 3.jpeg (248.16 KB, 30 do...

On an HS with more than 2 floors, the magnet polarity has to alternate. If the polarity is off the floor count will be off and the SLDN (slowdown will...

I agree, my math was off by a little.