Elevator Forum

Measure CCH to Shield & CCL to Shield. Should see 2.5VDC on each line to shield. If not, you have a Comm issue and will need to figure out which b...

See attached photos for details. Couldn't find 1967. Attachments IMG_0563.jpeg (1.48 MB, 75 downloads) IMG_0562.jpeg (1.86 MB, 38 downloads)

Still having power issue with this job. Removed all connectors for IOA except CON28 and also removed 186 board from IOA and still the 24V LED's and th...

Still same problem with only CON28 plugged into IOA board

See attached video. Attachments TAC20 Video.zip (2.45 MB, 25 downloads)

Fuses all good?

you can also try TECB. It is used to toggle the Teach direction. Top Down or Bottom Up. Depends on where the HN terminating resistor is placed. If it ...

I’d like a copy too.[email protected]Thanks

Make sure you’re pressing and holding RST. While holding RST, press and hold UDL. Let go of RST and continue to hold UDL until STAT LED displays Z-mod...

Hi Dirt, Thanks for the info. I don't see an _0f8000.dat file listed in appendix C of the TAC20 Manual. See attached photo. Just want to make sure to ...