AR-162 Exhaust fan running

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  • Chompers
    Junior Member
    • Sep 2017
    • 5

    #1

    [Electrical] AR-162 Exhaust fan running

    I have a machine that the fuser cooling fans are constantly
    running on high and never drop down to low speed even when idle.. any suggestions
  • voodorush
    Junior Member
    • Nov 2017
    • 5

    #2
    Re: AR-162 Exhaust fan running

    Sounds like a bad or disconnected PTC thermistor and i will asime they use PTC thermistors (I would put PTC instead of NTC if the upper margin is critical).

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