it is quiet wierd problem. The york rooftop have two G775-RJD-1 Control intermittent pilot ignition module. THS and R1 all have 24 voltage. when I do the spark test, both module don't have spark. I replaced one of the them, the same problem.
does anybody know what promblem? Does it has anything with the polority of the power?
[Edited by comfortable air on 11-07-2005 at 06:47 PM]