VI. Study & Conclusion
Essential basic requirements of excellent after service engineer：
1. Have primary electronic knowledge, know common components and parts and their function。
2. Can use multimeter expertly, distinguish components good or not by using multimeter。
3. Know relationship of entire massage chair interior power supply conversion and supply，can lock the
problem in the smallest range quickly.
4. Know product all function unit drive, control and check relation of all parts，as all massage movements are
controlled by the program. Must detection first, then driver。
5. Dare to do and to be careful，pay attention to the distinction between high voltage and low voltage, and the
protection of people’s personal safety, line insulation protection and so on. The product recovered should
have well-tended appearance and safe and reliable.
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