I have two Schindler 330a 's which one day stopped communicating with each other and now there is a red led LIT on EBCOM BOARD Tried a new EBCOM BOARD with no luck units work like to separate elevators using risers next to each other but both will return from from fire key fixture any ideas would be appreciated
Check those switches mentioned above. I have ran into that issue before, I changed set those switches and did something else to fix it but I can't remember. All of the info for this is noted in the prints.