Clean air CA-604B air humidifier Buzzer removal

ID: 133110

Description: The Clean Air CA-604B air humidifier has an...

Steps:

1. Take out the water tank
2. Remove the 7 screw covers using a flat screwdriver/sharp blade
3. Remove the 7 screws using a Phillips screw driver

4. Remove the 6 screw covers
5. Remove the two rubber covers (front feet). They're glued using double adhesive tape.
6. Remove the screws revealed by removing the covers above
7. Remove the bottom cover

8. Remove the three screws
9. Detach the white plug (press on it for releasing it)
10. Slide the top part about 1cm to detach it from the bottom one

11. Release the two screws
12. Using a prying tool remove the top plastic cover
13. Remove the screws that hold the mainboard

14. Locate the black buzzer/speaker
15. Flip the mainboard and using a soldering iron remove the component. Add a bit of solder on top of the existing one to make detaching easier
16. The source of 4AM noise is now removed!

17. After bolting the mainboard, make sure your route the wire as indicated by the red line in the picture (the wire is quite short)
18. Reassemble the device in reverse order
19. Before trying out the new silent device, make sure you add the water tank (as the panel doesn't seem to work properly without water)
20. Enjoy your quiet sleep!