LED light out on Control module

Discussion in 'HVAC Heating & Cooling' started by xswheels, Nov 5, 2013.

  1. xswheels

    xswheels New Member

    Nov 5, 2013
    Sarnia, Ontario
    My furnace stopped working today. The vacuum fan runs but there is no ignition. The red LED light is out on my White Rodgers 50D50 843 ignition control module. Is it assumed the module has to be replaced?
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