I edited my posst. Mn gcs16- 1853-330-1y sn 5694m03188 I added a guy jumped from other roof. Walked accross and jumped down to other roof must of grabed something climbed up an back to other bldg. I want some of his pocket. Sorry if double post.
a common problem with those units is the blower heat delay(fan control) failing open so when there is a call for heat the inducer runs,burners fire and the unit trips on high limit, a quick fix for that problem is to run the blower and inducer together using a relay.