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My Amana furnace is acting up.  The pilot light works just fine and the system starts up but then shuts off immediately.  It will keep trying to start but then just blows out cold air.  Then after trying it for awhile it will all of the sudden work!?!?!

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The furnace is not sensing the flame and is shutting off the gas. What kind of pilot do you have? If you have a Hot Surface Igniter(glow coil) It will try to igniter three times and go into safety default for awhile to clear any gas that may be in the area.
Check to see if you have a small rod that protrudes into the flames. It's usually located on the burner on the opposite end of the pilot but may be closer. Clean it with sand paper. if that works then it bought you time to get a new one. They are inexpensive.
If you have a spark igniter then clean the rod(s) on the igniter. This may work but not as often as the HSI. Good luck.

Posted on Jan 17, 2009

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