Renovation switch failure reasons, decoration of the reasons for the failure of the switch is three kinds of situation:
1. According to the requirements of the loading is not removed, mainly in the demolition of the key when the unilateral pry, resulting in the inside button from the rear cover ejected and can not be loaded.
2. The wall uneven and the panel screws are screwed up when installed, resulting in panel deformation, window size changes.
3. The switch is not smooth because the paint enters the inside of the switch.