Carrier 58mc120 heater not staying on

10-04-2012, 09:49 PM	#1
cologarrett Newbie   Join Date: Oct 2012 Posts: 1	Carrier 58mc120 heater not staying on Started my system today and the burner comes on with a nice blue flame for about 3-5secs and then sputters out. I am getting 4 long and 3 short lights on the system

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10-04-2012, 10:23 PM	#2
Marty S. Member   Join Date: Oct 2009 Location: Nebraska Posts: 2,297	Carrier 58mc120 heater not staying on Sounds like a dirty flame sensor

10-04-2012, 11:01 PM	#3
ben's plumbing Member   Join Date: Oct 2011 Location: pa Posts: 3,193	Carrier 58mc120 heater not staying on yep clean flame sensor 1 st...