Introduction
This guide will walk you through how to replace the motherboard for the Ninja Foodi DZ401 Air Fryer. Replacing the motherboard may be required if the device does not turn on at all, the buttons or display do not respond, and all other potential fixes have been ruled out.
When handling the motherboard, refrain from touching bare components with your hands, as you may damage or corrode the fragile components. An anti-static band is recommended, and gloves may be worn to prevent damage to the motherboard and its components.
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Position the air fryer so that the front is facing you and the top is accessible.
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Using opening picks and a metal spudger, pry open the silver ring on the front, right corner.
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Place an opening pick on the left side of the corner to hold the ring away from the cover.
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Slide the metal spudger underneath the silver ring. When you find a notch, place the metal spudger next to the notch and pry up to release it.
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Using a metal spudger, pry open the plastic top cover by inserting into the slots and pushing up on the tabs.
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Rotate the air fryer so that the back of the air fryer is facing down and the base is facing you.
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Remove the ten 15 mm screws from the bottom of the air fryer using a Phillips #3 screwdriver.
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Remove the power cord cover.
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Remove the two 16.7 mm power cord bracket screws using a Phillips #1 screwdriver.
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Remove the four 11.1 mm screws from each vent using a Phillips #1 screwdriver.
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Remove both vents.
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Carefully pull the outer casing up from the back.
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Disconnect the front display cable from the motherboard.
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Fully remove the outer casing.
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Extract the white, red, blue, and black wire bundles.
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Using pliers, gently uncrimp and remove the plastic wire caps.
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Carefully separate the wires.
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Disconnect black and yellow cords from the motherboard.
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To disconnect, squeeze down the tab and pull the connector.
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Disconnect both tab connectors.
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To disconnect, tightly grasp the connector and pull it up from the motherboard.
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Remove the four 13 mm mounting screws using a Phillips #1 screwdriver.
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Carefully lift the motherboard up and remove it from the air fryer.
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To reassemble your device, follow these instructions in reverse order.
