- The Manufacturer placed components in the wrong position.
- Lack of soldering during the process.
- Wrong reflow temperature.
- Choose wrong components for the PCB.
- Improper stencil design and thickness.
- Poor de-soldering and rework of components.
- Poor quality of PCB.
- Bad design of PCB.
- Bad materials of PCB.
#PCB Assembly #SMT PCB Assembly #After Sales