Elevator Forum

not familiar with Shepard either, but some companies picked both contactors at the same time so if one were to weld in the other would drop out, and i...

sbr, you should have over 120 vac to start with, 125 is a good level. I would change taps on the L2A circuit to get my voltage up. You are throwing an...

A 45 error is, SS info lost, aux door close contacts open. You can reset the fault log from the UI menu. E is the log menu, sub menu 1 is the history,...

You may not be getting a close limit signal from the bad rear door board. the controller will throw a 21 error and won't reset until it see's the CL f...

the lingo doesn't seem correct here. Are you an elevator mechanic elevfxr?

depending upon the vintage, you may have to do a re-init. or possibly an init. a re-init is usually no problem. If you init you lose all the parameter...

if the auto call table has only up direction calls it could do this. also does the group have a common panel, or is it series communication?

make sure its not on auto call. I have had these units in Power Plants where the MR temps were really bad and they would still perform correctly. Also...

the usual suspects for this type of problem are; CPU, I/O interface, Timer,Program( the board only not the actual program), Card Rack, and Power Board...

menu #1-70, gives you a percentage of a full load adjustment. It will bypass hall calls at that percentage. It doesn't affect LW percentage adjustment...

if you are an elevator mechanic, assistance will be offered. if not, please see the previous post.

you may have a travel cord issue. If it happens at the same spot in the hoist way.

I think vector control uses the stator current and rotor speed to control the motor, or motors. You may want to go through the parameters, some may ha...

yes basically the gov. switch should trip, and set the rope gripper or e-brake, which ever you have.

is there a drive for each motor? Are the motors properly phased with each other? a little more info please.