1. the crack problem
for cracks, cracks and ineffective membranes, if the number of sheets is small (less components or only one or two on a string), replace the membrane. in other words, take out the defective cell and replace it with the wattage that matches the component. if there are a large number of problematic cells on the string, take out the entire series of cells, apply the film removal method on the template, and then re-input. (note that the battery is positive and negative, no welding)
2. virtual welded parts
for virtual solder parts, if the back of the battery is soldered, you can directly solder with a soldering iron. if the front side of the cell is soldered, the dummy soldered cell needs to be taken out, soldered on the template with a soldering iron, and then soldered. back to the original place (note: during virtual welding, it will appear on both sides of the battery, and the operator needs to check). for the exposed white battery, it can also be handled by virtual soldering tabs.
3. short circuit problem
for short circuits, the general situation is divided into the entire series of short circuits and single or multiple short circuits. the short circuit of the whole series is mainly caused by printing errors. just remove the related short-circuit string, adjust the positive and negative electrodes and re-weld. pay attention to the distance between the lines when welding. single or multiple short circuits are most likely caused by welding, which requires careful inspection by maintenance personnel, and then deal with them according to different situations.
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