Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Furance not staying on
The flame sensor is not sensing flame.
You can try cleaning it, but will probably have to replace it.
When the sensor does not detect flame after ignition, it will shut down the gas flow.
Posted on Oct 02, 2009
it should shut off and come back on when the thermostat tells it to,also you could have a blocked vent line or the duct is blocked,when did you last clean out the dryer?you need to clean out the duct that the lint filter slides into,blow out the vent line,if it's a long run from the back of dryer to outside i use a leaf blower to clean out the line,next vac out the inside of dryer where the motor is,do this once a year so you don't have a fire and your clothes will dry on time.also with gas sometime the gas coils fail,they will heat for the first 15 to 30 minutes then the flame won't lite until the coils cool down,then they will work again,if you need anymore help let me know and send model number
Posted on Mar 17, 2010
SOURCE: When call for heat on
It could be the control board, But before I would replace the board I would check to see if the flame sensor is not touching the burner and shorting it out. Also check the flue make sure it is open. This has a combustion blower on it and a proving pressure switch. Some time the pressure drops when the burners come on will trip the switch and start the process all over again and acts just like a flame sensor fault if the flue has some blockage. Also make sure you have a good ground back to the board. A little rust on the burner right at the flame sensor can block the micro signal back to the board. I am sorry I can't remmember the light codes. There should be sticker on the panel with the wiring diagram that show the codes. Good Luck I hope this helps....
Posted on Feb 06, 2011
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