LB3980 Product Information After turn on the load bank, it would show you the model information, if you want to see the S/N number, click the button”⬇️” The S/N number is very important for maintenance
After turn on the load bank, it would show you the model information, if you want to see the S/N number, click the button”⬇️” The S/N number is very important for maintenance
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