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#32414 - 01/24/22 08:59 PM TAC20 LON Question  
Joined: May 2015
Posts: 286
wltr00 Offline
enthusiast
wltr00  Offline
enthusiast

Joined: May 2015
Posts: 286
Got a 7-stop TAC20 LON job where hall calls are starting to act up. Sometimes a call won’t latch or may have to press hall button several times to finally latch a call. Any ideas?

#32415 - 01/25/22 12:28 AM Re: TAC20 LON Question [Re: wltr00]  
Joined: Jun 2017
Posts: 93
boomer Offline
journeyman
boomer  Offline
journeyman

Joined: Jun 2017
Posts: 93
Are you sure it’s not the button Tk buttons go bad or the backs can pop off of them.

#32417 - 01/25/22 12:42 AM Re: TAC20 LON Question [Re: wltr00]  
Joined: Dec 2015
Posts: 48
liftronic Offline
LA Elevator
liftronic  Offline
LA Elevator

Joined: Dec 2015
Posts: 48
US
Make sure LON-Bus cable is properly grounded only in the machine room side. Also check the termination resistor at the end of the bus.


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