Question about Heating & Cooling
Furnace comes on, and then shuts off with 4 flashes of LED,
Posted by Anonymous on
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Posted on Jan 02, 2017
The led is flashing your fault code. You can look the code up by looking on the inside of your indoor blower panel. Please let me know what the trouble code is. I am guessing you will get a induced draft fault.
Posted on Feb 17, 2009
There maybe a few issues. They have multiple safeties on furnaces. With this in mind this process to find the problem would take a Technician to check these safeties. It could be a flame sensor or thermocoupler each senses a flame or heat to keep the gas going. Also the damper for the flue must open for the gas to stay on. There may be more safeties on this and each safety sends a 24 volt current back to control module in order for the gas valve to stay open. If these aren't being met it will try around three times and go into a lock out mode which will keep gas shut off entirely.
Posted on Feb 23, 2012
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