Introduction

This guide will show you how to safely remove and replace the fan assembly of the Holmes HEH8031.

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  • Ensure the device is unplugged from the wall outlet.

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  • Remove eight 12-mm Phillips #2 screws from the back cover.

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Image 1/2: Lift the front housing away from the back of the fan and slowly fold the front housing back down to the floor. Image 2/2: Internal wires are connected to both halves of the housing. Be careful when separating the housing.
  • Turn heater over so the controls are facing up.

  • Lift the front housing away from the back of the fan and slowly fold the front housing back down to the floor.

  • Internal wires are connected to both halves of the housing. Be careful when separating the housing.

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  • Remove four 12mm Phillips #2 screws from the circuit board.

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Image 1/3: Learn how to solder and desolder connections [https://www.ifixit.com/Guide/How+To+Solder+and+Desolder+Connections/750|here!] Image 2/3: Desolder the WHITE wire from the "AC-N" point. Image 3/3: Desolder the RED wire from the "FAN-RED".
  • Desolder the BLACK wires from the "AC-L" point and "T/S" point.

    • Learn how to solder and desolder connections here!

  • Desolder the WHITE wire from the "AC-N" point.

  • Desolder the RED wire from the "FAN-RED".

  • Desolder the GREY wire from the "24V" point.

  • Desolder the BROWN wires from "HEAT1," and "HEAT2" points.

    • Be sure to use desoldering wick when you remove the wire connections.

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  • Desolder the WHITE connector (attached to the GRAY wire coming of the thermostat) from the "NTC101" point.

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  • Remove two Phillips #2 12mm screws from housing

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  • Remove zip tie from wire with pliers

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  • Separate fan assembly from heating coil

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Torben Eid

Member since: 10/13/2016

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IUPUI, Team 2-1, Baechle Fall 2016 Member of IUPUI, Team 2-1, Baechle Fall 2016

IUPUI-BAECHLE-F16S2G1

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