Case study of switch contact failure analysis

Since a malfunction was suspected at the switch section of the appliance that would not power on, we will introduce analysis cases along with the work flow.
First, we check for any shape changes such as swelling, cracking, or discoloration through visual observation. In the electrical check, we verify whether the malfunction can be reproduced and whether it is an open or short circuit.
Internal observation using X-rays revealed that the contact terminals inside the switch had melted, scattered, and disappeared, resulting in an open circuit failure.
Ultimately, we will submit a report that includes the consideration of the cause. We also welcome inquiries regarding analysis consultations after non-destructive testing, so please feel free to contact us.


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