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Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement

Introduction

When replacing the auto-away sensor, battery removal is necessary. The battery replacement guide should be a prerequisite before starting. The tools required are tweezers and a Phillips #0 screwdriver.

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  1. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Removal from Wall: étape 1, image 1 de 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Removal from Wall: étape 1, image 2 de 2

    • Grasp the display's metal outer ring with your fingers and pull directly away from the wall.

    Modifier

  2. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Open Display: étape 2, image 1 de 1

    • Turn the display over.

    • Remove the four 6 mm screws from the back of the display using a Phillips #0 screwdriver.

    Modifier

  3. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove the back of the display: étape 3, image 1 de 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove the back of the display: étape 3, image 2 de 2

    • Pinch the gray 20-pin connector with your fingers and pull directly away from the display.

    • Do NOT pull too far as there is a ribbon on the back panel connecting the 20-pin connector to the display.

    Modifier

  4. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Disconnect the base connection ribbon cable.: étape 4, image 1 de 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Disconnect the base connection ribbon cable.: étape 4, image 2 de 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Disconnect the base connection ribbon cable.: étape 4, image 3 de 3

    • Locate the blue pull tab at the end of the ribbon which says, "1. Pull".

    • Grasp the tab with your fingers and pull directly away from the motherboard.

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  6. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Lift battery from the base: étape 5, image 1 de 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Lift battery from the base: étape 5, image 2 de 2

    • Locate the blue tab which says, "2. Pull".

    • Use tweezers to pull the battery up and away from the display.

    • Do NOT pull too far, as the battery is still connected to the motherboard and must be unplugged.

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  7. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Disconnect the battery from the motherboard: étape 6, image 1 de 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Disconnect the battery from the motherboard: étape 6, image 2 de 2

    • Locate the blue tab which says "3 unplug".

    • Grasp the battery with your fingers. Pull gently directly away from the display to unplug the battery from the motherboard.

    Modifier

  8. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove battery from the display: étape 7, image 1 de 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove battery from the display: étape 7, image 2 de 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove battery from the display: étape 7, image 3 de 3

    • Grasp the battery with your fingers and pull directly away from motherboard to separate the battery from the display.

    Modifier

  9. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Locate auto-away sensor: étape 8, image 1 de 1

    • Locate the auto-away sensor.

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  10. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove screws: étape 9, image 1 de 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove screws: étape 9, image 2 de 2

    • Remove the four 3mm screws with a #0 Phillips screwdriver.

    • Remove the one 4mm screw located at the edge of the auto-away sensor. Use a #0 Phillips screwdriver.

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  11. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove auto-away sensor: étape 10, image 1 de 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove auto-away sensor: étape 10, image 2 de 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove auto-away sensor: étape 10, image 3 de 3

    • Lift the auto-away sensor from motherboard using tweezers.

    • Peel the copper foil gently from the EMI shield.

    Modifier
Conclusion

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

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Justin Curry

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USF Tampa, Team 11-5, Blackwell Fall 2014 Membre de l'équipe USF Tampa, Team 11-5, Blackwell Fall 2014

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