Following on the previous articles, step 3 will be introduced here, with information about removing membrane switches.
Step 3, maintenance of microwave oven keys failure, all microwave oven keys fail
It should be the reason for the aging of the membrane switch board. If it has been used for more than four years, it is recommended to remove the control board and replace the membrane switch board of the same model and specification. If you can't buy a new board, you can also change it into a tactile switch. The circuit should be wired according to the old membrane touch switch board. The panel can be fixed, wired by drilling holes, installing tactile switches.
Through the above maintenance methods for the failure of microwave oven keys, we also know that if the microwave oven has been used for too long, the custom membrane switch keys will not work well, and there is no need to repair them. Just replace them directly. If the service time is not long, you can refer to the maintenance method mentioned above, by which I believe it can be solved.
