Question about Heating & Cooling
I did not wire the new control board correctly at first and applied power to it, but nothing happened at that time. Now that it's correctly wired, the above problem persists. Can you give me some ideas what could be going on? BTW had to use an ICM 288 board as my board is no longer available.
If the sensor does not I.D. a pilot, the furnace would not fire, so your OK to this point. The sensor needs to stay in a flame constantly once the main burners light. Sometimes the draft will cause the flame to waver and cause a shutdown. Also, if the blower fan does not start on time, the furnace will shut down. I would check for wavering first.
Posted on Nov 23, 2013
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Posted on Jan 02, 2017
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