Elevator Forum

Buildup on hangar track at the lobby could let the door sag back and hang the lock.

You have to look and see what causes FT (failure timer) to pull in. When you pull in the CS relay to open the doors, something happened that didn't al...

300VDC relative to what?? each other (answer above) referenced to negative on rectifier?? referenced to Positive on rectifier?? Do you have a door ope...

Open Armature, bad brushes ????

Compare front fire service parameters to rear and see if there are any differences. Check all fire service modes (certain cities have different fire s...

71 VFC device error has occurred. Check CMC command for proper COMM status. 58 An auto fault reset has occurred. A fault condition caused by drive sys...

What happens when you let up on the button? If the doors continue to close, there may be a parameter that controls how FS and IND operate. You can set...

Sounds like an AHJ question. How are you going to split the duplex? Put one car on PH1 with a flash in MR? Leave hall calls in or take them out? Archi...

Ask Lonnie. He will know who his leading competitor is.

try disconnecting DCL wtre

What area of the country are you in? mu email is oksoibet@comcast,net. Email me and tell me what you are looking for.

Yes in a 120 degree pattern. Hang the car sling approximately where the joint of the jack will be even with the top of the piston. Hang it on a couple...

LOT time should be at lesat 25% more than longest run. What type of LOT do you have? Most of that vintage were motor driven spring loaded gear type ti...