Elevator Forum

Try KM804250G10 for the configuration key switch

It is a great Door Operator. There are 2 types of control for the 6970 Operator, Saturable Reactor or Resistance control. The procedures for adjusting...

No idea what the SC stands for possibly, Selective Collective, but the 20 is speed up to 2.0 Meters per second, which is capable of up to 400fpm (393....

TCI is a mode of operation not a fault. Your in Top Of Car Inspection mode. If you blew a fuse you must have a short that took you to TCI mode. Bad tr...

If you replace with Maxton or EECO you will probably have to add a soft stop circuit. One relay a rectifier and some condenser timing on the relay.

Lol saw a flyball gov with a mailbox mounted on it.

We are all here to help others. Takes teamwork to analyze problems. No one person knows it all. We all get stuck in ruts and need another opinion from...

FYI: decreasing the resistance allows the brake to circulate more current and stay up longer. If you want it to drop sooner increase the resistance. C...

Uppo: It ALWAYS fails with a sticky core in only one direction first. Guarantee it. Have had 48 years experience with them.JKH: The 6850BJ has the adv...

Uppo.. not true about one direction working on a reset of pawl on an advancer 6850BJ meaning the pawl core is ok. On the advancer selector the same br...

How to Clean a Pawl Magnet Core:Park Elevator at Bottom Floor.Pull Main line.Remove the screws holding the Advancer Motor.Carefully Remove the Advance...

Clean the Pawl Magnet Core inside the Pawl Magnet Coil. This is a common problem with a 6850BJ (Advancer) Selector. It will hang up in one direction f...

jkh is also giving EXCELLENT advice!!!!!!!!!!!!!

If you still have issues after testing, try changing the capacitors in the COP Power Supply. When they start decaying, the voltage reads close but AC ...

chain is slipping on sprocket