Introduction
This guide will show you how to take apart the fan to remove the Printed Circuit Board.
What you need
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Use a Philips #2 screwdriver to unscrew the four 6mm Phillips #0 back screws.
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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.
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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.
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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.
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