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-   -   Trane XB80 gas furnace, no burners, four flashing leds, won't reset (https://www.askmehelpdesk.com/showthread.php?t=524810)

  • Nov 10, 2010, 08:28 PM
    yahoo1911
    Trane XB80 gas furnace, no burners, four flashing leds, won't reset
    I have a Trane XB80 gas furnace and the fan works but the burners don't even try to come on. I had a similar problem last year and the tech came out and found an improperly installed filter that was clogged. After removing the filter, he restarted the furnace. It worked for a couple of days, then stopped working again. He came back out and reset it, same thing, worked again for a couple of days, then stopped. A week ago, I turned the furnace on, and it worked.This morning, no burners, just the fan and four flashing leds. I have replaced the filter, cleaned the flame sensor, and jumpered the two dime size switched and the rectangular plate. I'm wondering if it just needs to be reset. I have shut off the circuit breaker several times, but I still get the four flashing leds after start up. How do you reset the furnace?
  • Dec 10, 2013, 06:29 PM
    HandyHacker
    Replace batteries in thermostat
  • Dec 11, 2013, 05:27 PM
    Grady White
    There should be a key to the blink code somewhere on the furnace. It is often on the inside of the blower door, sometimes on the board itself. Please let us know what the 4 blink code means.

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