American Standard Freedom 90 4 flash code

11-25-2008, 10:19 AM	#1
Gromit Newbie   Join Date: Nov 2008 Posts: 1	American Standard Freedom 90 4 flash code I have a Freedom 90 2-stage that was installed two years ago. Came home to a cold house last night and the furnace was pushing unheated air only. The status light is flashing four times which means "open temperature limit switch". No idea what that means or where the switch is inside the unit. Any ideas?

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11-25-2008, 10:56 AM	#2
kennzz05 Member   Join Date: Nov 2008 Location: palm coast fl Posts: 551	American Standard Freedom 90 4 flash code try to locate your owners manual should be found there. have you changed your filter lately