Introduction

This guide will show you how to get to the LEDs and how to inspect the circuit board. If there is a faulty connection or a loose wire, this guide shows displays a quick solution.

Use a Philips #2 screwdriver to unscrew the four 6mm Phillips #0 back screws.
  • Use a Philips #2 screwdriver to unscrew the four 6mm Phillips #0 back screws.

  • Do this by unscrewing from left-to-right then pull the screws out of the back of the fan

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Pull the front and back cover apart.
  • Pull the front and back cover apart.

  • Be careful not to pull the front cover off completely because it holds the wires.

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Remove the Phillips (5-mm head) 6-mm screw that holds the circuit board to the outer shell of the fan.
  • Remove the Phillips (5-mm head) 6-mm screw that holds the circuit board to the outer shell of the fan.

  • Make sure the fan is unplugged while removing the circuit board as you may get shocked.

  • To remove the screws, unscrew in a left-to-right fashion at an angle to make sure that the wires do not get tangled.

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Remove the top cover containing the circuit board and the wires by pulling it away from the body of the fan.
  • Remove the top cover containing the circuit board and the wires by pulling it away from the body of the fan.

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Remove the circuit board from the top cover. Do not touch the other side of the circuit board as you  may damage circuit elements. Unscrew the four screws on the top of the circuit board in a left-to-right fashion. After pull screws out of the board.
  • Remove the circuit board from the top cover. Do not touch the other side of the circuit board as you may damage circuit elements.

  • Unscrew the four screws on the top of the circuit board in a left-to-right fashion. After pull screws out of the board.

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The picture reveals the top side of the printed circuit board that contains the LEDs.
  • The picture reveals the top side of the printed circuit board that contains the LEDs.

  • Inspect the PCB for any faulty connections or loose components.

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Make sure the wires on the side of the board are properly connected. If the wires have are not connected properly, res-older them to the board. If the wires have are not connected properly, res-older them to the board.
  • Make sure the wires on the side of the board are properly connected.

  • If the wires have are not connected properly, res-older them to the board.

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Conclusion

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

Queena Phung

Member since: 09/26/2012

96 Reputation

3 Guides authored

Team

Cal Poly, Team 15-46, Forte Fall 2012 Member of Cal Poly, Team 15-46, Forte Fall 2012

CPSU-FORTE-F12S15G46

5 Members

6 Guides authored

One Comment

Good stuff except for the fact that the most common problem(fan not working) that is for me, the first and simplest repair listed is referred to a dead end in led repair section. I could be wrong, but still, where is the fuse and how does the ohm meter work for a fuse test again? Hey, your fixer guide is the one that brought it up in the first place. Just saying.....

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