5.4 Replacing pushbuttons
1. Order the required spare part.
2. Use a small screwdriver to pull out the plate ① around the pushbuttons.
3. Remove the pushbuttons.
4. Install the replacement pushbuttons. Ensure that the buttons are inserted with the correct
position and conguration (plate, seal, pushbuttons, spring).
5. Carefully press in the supplied pushbutton plate until it clicks into place.
6. Check if the buttons can be pressed correctly.
Replacing spare parts
5.4Replacing pushbuttons
SITRANS P320/P420
34 Service Manual, 11/2023, A5E44914141-AC