Recent content by cordovan66

Thanks. I did fix the problem. It turned out that the 12-wire connector through which 24V was going from the transformer to the Surelight board had a bad solder joint. Instead of taking out the board and fixing the solder, I ran another wire from the transformer to the fuse. It's held on both...

Please help me diagnose my furnace problems. Over the last 5 years my furnace has gone dead about half a dozen times and resurrected after a few hours. It’s happened twice in the last week. The 2 diagnostic LEDs are dead. I measured the voltage at the 24V transformer. It’s generating 27V just...