the most commonly problems with automatic in DMC elevator DOVER
1.-The selector guides
2.-One magnet out of posicion (slowdown or floor magnet)
3.-the switch tree
4.-The reed switch in back selector board
5.-losse wires between clc connectors to selector connectors
6.-When the clc battery is dead and turn of the power supply the parameters is lost.
Note.-when the parameters is lost the elevator only move in inspection,but if you put in automatic the elevator go to learn first floor but in the first call the led in the selector board turn of because dont have data traveler in clc memory and not check the magnets to confirm.
