Somnocomfort And Somnobalance Ventilator Main Circuit Board Replacement Repair Guide

Difficulty

Difficult

Steps

Time Required

                          1 hour

Sections

How to Open and Close Housing (SOMNOcomfort and SOMNObalance Ventilator)
9 steps
Main Circuit Board
8 steps

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Introduction

What you need

Step 1

              How to Open and Close Housing (SOMNOcomfort and SOMNObalance Ventilator)

Remove the covering cap. (pg. 23)

Remove the covering cap. (pg. 23)

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Step 2

Place the unit upside down on a non-slip surface and remove the six screws. (pg. 23)

Place the unit upside down on a non-slip surface and remove the six screws. (pg. 23)

Step 3

Remove the lower part of the housing with a swiveling motion away to the side. Note the SOMNOcomfort series uses a shorter circuit board than the balance series ventilator. (pg. 23)

Remove the lower part of the housing with a swiveling motion away to the side. Note the SOMNOcomfort series uses a shorter circuit board than the balance series ventilator. (pg. 23)

Step 4

Remove the connector (X1) from the circuit board.
Pull the connecting cable (64) from its mount.
Now set aside the lower part of the housing. (pg. 23)

Remove the connector (X1) from the circuit board.

Pull the connecting cable (64) from its mount.

Now set aside the lower part of the housing. (pg. 23)

Step 5

Next, how to close the compartment and reverse the process.
Hold the lower part of the housing to the upper part at an angle
Attach the connector (X1) to the main circuit board. When doing so the connector’s nub has to point towards the lock. (pg. 24)

Next, how to close the compartment and reverse the process.

Hold the lower part of the housing to the upper part at an angle

Attach the connector (X1) to the main circuit board. When doing so the connector’s nub has to point towards the lock. (pg. 24)

Step 6

Properly align the main circuit board inside the unit.
Attach the connecting cable (64) to its mount (pg. 24)

Properly align the main circuit board inside the unit.

Attach the connecting cable (64) to its mount (pg. 24)

Step 7

Place the lower part of the housing on the upper part (47). Please make sure the main circuit board (44) is aligned properly, and that the connecting cable (64) is not being squeezed anywhere. (pg. 24)

Place the lower part of the housing on the upper part (47). Please make sure the main circuit board (44) is aligned properly, and that the connecting cable (64) is not being squeezed anywhere. (pg. 24)

Step 8

Now reattach the upper part of the housing by tightening the six screws. (pg. 24)

Now reattach the upper part of the housing by tightening the six screws. (pg. 24)

Step 9

Insert the covering cap. (pg. 24)

Insert the covering cap. (pg. 24)

Step 10

              Main Circuit Board

Pull the plug X200 and X400 from the main circuit board.

Pull the plug X200 and X400 from the main circuit board.

Step 11

Remove the flat cables from front panel foil and display: To do so, pull the lock. Once you have pulled the lock, you can remove the flat cable.

Remove the flat cables from front panel foil and display: To do so, pull the lock. Once you have pulled the lock, you can remove the flat cable.

Step 12

Remove pressure measurement tube 45 from the pressure sensor or pull out the tube adapter of the pressure measurement tube.

Remove pressure measurement tube 45 from the pressure sensor or pull out the tube adapter of the pressure measurement tube.

Step 13

Remove the main circuit board 44.

Remove the main circuit board 44.

Step 14

Attach tube 45 to the pressure sensor of a new main circuit board 44 or connect the tube adapter of the pressure measurement tube to the angular bush on the pressure sensor.

Attach tube 45 to the pressure sensor of a new main circuit board 44 or connect the tube adapter of the pressure measurement tube to the angular bush on the pressure sensor.

Step 15

Reattach the flat wires of front panel foil and display to the main circuit board: – Pull the lock. – Insert the flat cable into the connector. – Push the lock back in.

Reattach the flat wires of front panel foil and display to the main circuit board: – Pull the lock. – Insert the flat cable into the connector. – Push the lock back in.

Step 16

Connect plugs X200 and X400 to the main circuit board.

Connect plugs X200 and X400 to the main circuit board.

Step 17

Close the unit

Close the unit

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

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Author

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                    Brandon Yowakim

Member since: 01/18/2018

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Team

                       Cal Poly, Team S1-G3, Zimmerman Spring 2020                        

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Introduction#

What you need#

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Introduction

What you need

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