Difficulty

Moderate

Steps

9

Time Required

                          10 minutes

Sections

1

  • Display Board
  • 9 steps

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Introduction

For more information on replacing the display, please refer to page 39 in the service manual.

What you need

Step 1

              Display Board
  • Open the device by following these steps:
  • Place the device on a non-slip surface with the top facing downwards
  • Remove the filter cassette from the top part of the housing.
  • Undo and remove the 6 screws (34).
  • Open the bottom of the housing (35) away to the side.
  • Undo the connecting cables for the humidifier (42) and the alarm (43).
  • Make sure the power supply plug is disconnected.

Open the device by following these steps:

Place the device on a non-slip surface with the top facing downwards

Remove the filter cassette from the top part of the housing.

Undo and remove the 6 screws (34).

Open the bottom of the housing (35) away to the side.

Undo the connecting cables for the humidifier (42) and the alarm (43).

Make sure the power supply plug is disconnected.

1024

Step 2

  • Remove the power board (‘Power Board Replacement’).

Remove the power board (‘Power Board Replacement’).

Step 3

  • Disconnect the following:
  • encoder connector (82).
  • connectors of interfaces (84) and (85) off the control board.

Disconnect the following:

encoder connector (82).

connectors of interfaces (84) and (85) off the control board.

Step 4

  • Disconnect the ribbon cable of the display and the fascia film.
  • Pull the latch out until you feel resistance. You can then pull out the ribbon cable.
  • If the latch has not been opened correctly, the ribbon cable may be damaged when it is pulled out.

Disconnect the ribbon cable of the display and the fascia film.

Pull the latch out until you feel resistance. You can then pull out the ribbon cable.

If the latch has not been opened correctly, the ribbon cable may be damaged when it is pulled out.

Step 5

  • Pull flow measurement hoses (56) off the flow sensor.
  • Pull pressure measurement hoses (57) off the pressure sensors.

Pull flow measurement hoses (56) off the flow sensor.

Pull pressure measurement hoses (57) off the pressure sensors.

Step 6

  • Undo the four screws (51) and remove control board (50).

Undo the four screws (51) and remove control board (50).

Step 7

  • Remove spring (54) from the control board and remove battery (52) (see “7.9 Replace battery on control board” on page 42).

Remove spring (54) from the control board and remove battery (52) (see “7.9 Replace battery on control board” on page 42).

Step 8

  • Remove display

Remove display

Step 9

  • Insert a new display (49).
  • The display may not tilt and must be straight in the guides.

Insert a new display (49).

The display may not tilt and must be straight in the guides.

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

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Author

                                      with 2 other contributors 


                    Cameron Young

Member since: 04/22/2019

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                       Cal Poly, Team S7-G19, Paton Spring 2020                        

                                                  Member of Cal Poly, Team S7-G19, Paton Spring 2020 



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