Amana furnace-ignitor lights but no gas

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  #1  
Old 03-01-05, 01:48 PM
Ron Beard
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Amana furnace-ignitor lights but no gas

This is Amana 90% eff. furnace that is 11-12 years old. IN the past week the furnace was blowing no heat three different times. The first time I replaced the ignitor. I noticed the old one was not broken, but the new one fired right up. I also cleaned the filter. Twice since then the furnace has not worked. Each time, I remove the panel and the duct fan is still running. I turn the electricity off, then back on to recycle the furnace and then it works. It seems the ignitor is working ok but I think there is some type of control that is stopping the gas from getting to the burners. I checked the hose on the pressure switch by disconnecting from the pressure switch and blowing, and air passed freely to duct blower. I could not find a computer panel in the furnace, but maybe I am looking in wrong place.
 
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  #2  
Old 03-01-05, 02:08 PM
L
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Check for 24volts to the gas valve after the ignitor warms up.
 
  #3  
Old 03-01-05, 02:34 PM
M
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May want to clean the flame rod
 
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