How to change a dishwasher pressure switch

  1. Dishwasher
    How to change a dishwasher pressure switch
  2. Safety first remove plug from mains socket
    Safety First
  3. Tools required are a pair of mole grips and a phillips screwdriver.
    Zanussi heater tools
  4. Using the phillips screwdriver remove 2 screws and remove lid.
    Lid removal
  5. Using the phillips screwdriver remove inner screws both sides of door
    Door front removal 1
  6. Using the phillips screwdriver remove 2 outer screws and remove door panel
    Door front removal 2
  7. Using the phillips screwdriver remove 2 screws and remove front bottom closure.
    Front bottom closure
  8. Using the phillips screwdriver remove screws and remove side panels
    Side panel removal
  9. Lay the machine on its back to expose the bottom use a cloth to protect surface
    Base image
  10. Using the phillips screwdriver remove retaining screws from bottom 
    Base removal 1
  11. Using the phillips screwdriver remove retaining screws from cover plate 
    Base removal 2
  12. Using the phillips screwdriver remove retaining screws and remove legs
    Base removal 3
  13. Using the phillips screwdriver remove remaining screws
    Base removal 4
  14. Remove metal cover plate
    Base removal 7
  15. Lift base panel from locating lugs on left side
    Base removal 5
  16. Un clip from the right side and remove base panel
    Base removal 6
  17. Using the phillips screwdriver remove screws to angled cover plate
    Base removal 8
  18. Using the phillips screwdriver remove further  screws to angled cover plate
    Base removal 9
  19. Remove angled cover plate
    Base removal 10
  20. Using the phillips screwdriver remove retaining screws to plastic bottom
    Base removal 11
  21. Using the phillips screwdriver remove further retaining screws to plastic bottom
    Base removal 12
  22. You can now pull the plastic bottom towards you, do not remove completely. 
    Base removal 13
  23. 2 pressure switches in position, the operation for change is the same for both.
    Pressure switch in position

  24. Grip the pressure switch and pull away from support kit 
    Pressure switch removal

  25. Make a note of wires (a photograph is useful) and remove them.
    Pressure switch wires

  26. Take the new pressure switch from its package ensuring its correct for appliance

    Click image to purchase
    Pressure switch image

  27. Fit wires to new pressure switch.
    Pressure switch wires

  28. Fit new pressure switch into support kit
    Pressure switch relacement.jpg

  29. Pressure switch in possition 
    Pressure switch in position
  30. You can now push the plastic bottom back in and relocate back in appliance. 
    Base removal 13
  31. Using the phillips screwdriver refit  retaining screws to plastic bottom
    Base removal 12
  32. Using the phillips screwdriver refit further retaining screws to plastic bottom
    Base removal 11
  33. Replace angled cover plate
    Base removal 10
  34. Using the phillips screwdriver refit  screws to angled cover plate
    Base removal 9
  35.  Using the phillips screwdriver refit further  screws to angled cover plate
    Base removal 8
  36. Re-clip from the right side and replace base panel.
    Base removal 6
  37. Lift base panel into locating lugs on left side
    Base removal 5
  38. Refit metal cover plate
    Base removal 7
  39. Using the phillips screwdriver replace the screws
    Base removal 4
  40. Using the phillips screwdriver refit the legs
    Base removal 3
  41. Using the phillips screwdriver replace remaining screws
    Base removal 2
  42. Using the phillips screwdriver replace retaining screws to bottom.
    Base removal 1
  43. The appliance can now be stood up
    Base image
  44. Using the phillips screwdriver replace side panels and replace screws.
    Side panel removal
  45. Using the phillips screwdriver replace bottom closure securing with 2 screws
    Front bottom closure
  46. Using the phillips screwdriver replace door panel securing the 2 outer screws 
    Door front removal 2
  47. Using the phillips screwdriver replace inner screws both sides of door
    Door front removal 1
  48. Using the phillips screwdriver replace lid securing with 2 screws 
    Lid removal 
    See full range of dishwasher spares here 

Disclaimer: The information provided has been prepared as a guide only and the steps taken are likely to vary for different appliance models. We strongly recommend using a qualified engineer to undertake major repairs and fault finding.

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