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  • Oct 11, 2013, 07:51 PM
    hdarang
    York Diamond 90 Furnace
    White Rodgers Emerson 50a50-241, blower fan come on for 10 second and shut off. led flash 4 time. What can be the cause for the led to flash 4 time?
  • Oct 11, 2013, 08:51 PM
    ma0641
    http://johnsonsupply.com/york2001/PUB/N4u.pdf
    Pg 38

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