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Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement

What you need

  1. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Removal from Wall: step 1, image 1 of 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Removal from Wall: step 1, image 2 of 2
    • Grasp the display's metal outer ring with your fingers and pull directly away from the wall.

  2. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Open Display: step 2, image 1 of 1
    • Turn the display over.

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

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

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

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

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

  7. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove battery from the display: step 7, image 1 of 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove battery from the display: step 7, image 2 of 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove battery from the display: step 7, image 3 of 3
    • Grasp the battery with your fingers and pull directly away from motherboard to separate the battery from the display.

  8. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Locate auto-away sensor: step 8, image 1 of 1
    • Locate the auto-away sensor.

  9. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove screws: step 9, image 1 of 2 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove screws: step 9, image 2 of 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.

  10. Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove auto-away sensor: step 10, image 1 of 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove auto-away sensor: step 10, image 2 of 3 Nest Learning Thermostat 2nd Generation Auto-Away Sensor Replacement, Remove auto-away sensor: step 10, image 3 of 3
    • Lift the auto-away sensor from motherboard using tweezers.

    • Peel the copper foil gently from the EMI shield.

Conclusion

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

2 other people completed this guide.

Justin Curry

Member since: 09/23/14

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USF Tampa, Team 11-5, Blackwell Fall 2014 Member of USF Tampa, Team 11-5, Blackwell Fall 2014

USFT-BLACKWELL-F14S11G5

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