Elevator Forum

Also, you should be metering between the two communication wires, not to ground.

Reading RSL frequency accurately depends on the meter that you use. Healthy RSL frequency toggles between 1226 and 1234hz AC. Fluke 87V auto ranges co...

Loss of 24VDC or loss of Car RSL are the most common causes for this behavior.

In Seattle we use IPS, no complaints

Lonnie that worked out of a home shop in Monroe or somewhere near Monroe?

Is this a new issue or was the generator recently at a motor shop?

Copy your EEPROM to a new blank chip. Your existing chip is corrupt.

Originally Posted by Bowtiedrooster16 all the SIL rated switches like all the e stop switches and door locks.. 211 controllers do not contain any SI...

I have had the best luck using Google to find things on the forum. Try:119 site:the original host

I installed a few N5408 diodes in that scenario a few months ago.

Do the “PB” outputs on your bad cars match the inputs on the group controller when this failure occurs?If the group doesn’t know where the cars are, i...

Where are you checking the power supply voltage? Checking at the supply is a good way to get fooled. Also, do you have any ripple on the supply output...

Wow! Those are great. Did you have the PCB fabricated? Did you write the program?

Originally Posted by Indirtwetrust That’s great, I’ll have to remember that one.This is where I use a homemade tool. A battery powered call generator ...

Checked back in at the job last week, all is well. I think this thing is fixed.