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How to reset rollout switches on Climasure series furnaces

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The question is NOT how to reset roll outs....it is why did the roll outs trip!The most common cause is a cracked heat exchanger.Resetting roll outs on an unsafe furnace isnt a good idea.

Posted on Oct 09, 2008

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Hello, sounds Like the Furnace is tuning off due to the limit switch or rollout switch opening. A limit switch and rollout switch are safety swtiches that will turn off the furnace if it gets to hot or the burners flames are abnormal. Usually a weak blower motor, dirty blower wheel , dirty burners or even a crack in the heat exchanger can cause this problem. Best bet is to call a hvac technician and have them check it out.

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If you didn't reset the rollout switch, the air will not work. The rollout switches are in the furnace burner secton. Look at the burners, the rollout switch(es) are just above the burner. They will have a button on top to push for reset. These rollout switches will generally have two wires going to them.

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Your furnace is off on a safety limit. Look for small thermal disks around the burner area they will have a usually red switch in the center and 2 wires coming into it. Reset this and watch furnace run. These are called rollout switches and they trip when you have flame rollout. SO WATCH IT RUN. If you have flame rollout you will most likely have a cracked heat exchanger if so you will need a new heat exchanger or new furnace. Next the number of flashes is important on some furnaces it will tell you what part is faulty. Count the flashes then on one of the furnace covers is the wiring diagram it will tell you what the flashes mean otherwise you can tell me and Ill help you out, WHen you reset the power on the furnace does it try to heat tell me what all happens when you shut the switch off then back on. when you turnit back on make sure the stat is calling for heat,

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