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FanControllerRepairs

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  • This is the iron-wired feedback diode which rusts and cracks leading to no fan speed except on "High" or "Demist"

    This is the iron-wired feedback diode which rusts and cracks leading to no fan speed except on "High" or "Demist"

  • A touch with a screwdriver and this happens

    A touch with a screwdriver and this happens

  • The power transistor which allows variable speed fan running. They soemtimes fail short circuit in which case the fan runs all the time even with ignition off

    The power transistor which allows variable speed fan running. They soemtimes fail short circuit in which case the fan runs all the time even with ignition off

  • New power transistor

    New power transistor

  • Transistor fitted

    Transistor fitted

  • Untitled photo
  • Backside of the pcb. Excess (brown) resin is from the factory....

    Backside of the pcb. Excess (brown) resin is from the factory....

  • We lacquer the boards after repair to help stop them getting damp

    We lacquer the boards after repair to help stop them getting damp

  • How the controller is fitted

    How the controller is fitted

  • Untitled photo
  • Untitled photo
  • Untitled photo
  • ... Like this!

    ... Like this!

  • Now lacquered

    Now lacquered

  • The controller sits in the airstream from the fan as a cooling technique, but it means the components are subject to continuous moist airflow

    The controller sits in the airstream from the fan as a cooling technique, but it means the components are subject to continuous moist airflow

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    Now lacquered
    The controller sits in the airstream from the fan as a cooling technique, but it means the components are subject to continuous moist airflow
    IMG_7460.JPG