Question about Honeywell Power Humidifier: Furnace Humidifier/ Humidifier

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Furnace shuts down, will not start up again

Tried to flip the breaker to see if it was a power issue but that did not work. replaced the ignitor. That did not work. The fan powers on, the gas lights and shuts right back down. Had a repair man in to see it and he charged me 125 to look at it and could not find anything wrong. Had another guy in who would not even look at it and tried to sell me on a 10,000 system. Have baby who is freezing. Any ideas?

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  • moretimmy Jan 08, 2009

    lol, now you are speaking a foreign language to me. It's a lennox forced air gas furnace about 13 years old. it has digital stuff on it but other than that, I can't say for sure. I do have a chimney so I will assume it's a natural draft.

  • moretimmy Jan 10, 2009

    Had Reliance guy come in and check through the whole system. I have never been so impressed with the service. He took apart the thermostat and ensured all the wires were tight, did the same on the furnace. He disconnected the humidifer that was remmoved from the last technician and the automatic air filter which was also remmoved by the last technician. he cleaned the sensor rod as you mentioned and then gave me some suggestions to have the wiring redone and the thermostat moved as the person who installed it, installed it on top of a return duct. He also told me how to move it myself so that I could save money. I would definitely recommend them to anyone!! Thanks so much for your help. It was very appreciated and I will suggest you to all my friends in the future.

  • J Mood May 11, 2010

    What model furnace is this? Do you know if it is power vented or a natural draft chimney? Usually the furnace controller will blink out an error code when it shuts down because of a problem. Let me know this information and I'll see if I can help

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Yeup, sounds like a natural draft. A power vent system vents out the side of the house without a chimney, but because there is no draft of hot air rising up a chimney, a powered fan is used. Power vents have additional sensors that can cause the burner to shut down.

If the burner does fire but then shuts down it sounds like the flame sensing rod is not working. It is dirty or needs replacement. Are there any error codes when the burner shuts down, or an indicator lamp that shows when the controller detects a flame?

Posted on Jan 08, 2009

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