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Holmes HEH8031 Circuit Board Removal Replacement
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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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Turn heater over so the controls are facing up.
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Lift the front housing away from the back of the fan and slowly fold the front housing back down to the floor.
 
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Remove four 12mm Phillips #2 screws from the circuit board.
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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