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Bubbles17 11-28-2012 04:01 PM

Bryant 90I 355MAV
Why dose my furnace blower alway blow in High speed? I oly runs for so long then quits & starts right afert that. I will show a code of 33 during the cycle & then it will show a code of 13 after it shuts down. What can I do to fix these problems?

NiNe O 11-28-2012 04:44 PM

What do the codes mean? Should say on the door somewhere

Bubbles17 11-28-2012 04:48 PM

13 means Limit switch lock out. & 33 Limit or flame roll out switch is open

NiNe O 11-28-2012 04:55 PM

Roll out switches are the switches around the burner box, they must be manually reset by pushing the button on them. Limit switch has auto reset . Try resetting roll outs and cycle heat

NiNe O 11-28-2012 04:56 PM

How's your filter?

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