Elevator Forum

I suggest you not mess with the valve without landing the car on pipe stands or hanging the car somehow.. yes all the bolts have to be removed. And th...

Contact your local tk office. They can look up the job number thats on the controller and associated equipment. Might be able to have software written...

Do a tbs. adjust your decel before you do it. Bring it up while u do the scan then back down to its original settings

Slack in your selector cable

W11=0

Had the same issue. Replace the cpua and power supply.

Any chance your losing your watchdog on the cpua?

Did u check inside the cabinet on the hoistway side? Sometimes its in there.

Governor encoder coupling

Tac20 should be a 6300py3. Which replaces a py1. All you need is the uit like dirt mentioned

Secure all your can connections. Check your grounds. 60 ohms is correct . Should have around 2.5vdc on lcl hcl to ground. Replace cpua if all else fai...

Tke has their new door operators that will work i believe. Ld16 operators. Never removed a dmc door operator. Just replaced the board since it communi...

Tac 20 should have a py3 board with the large black encoder. Board is probably shot. Good luck

Replace the batteries, you can bypass it with the blue tool.