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Lab Precision DC Power Supply is specialized for scientific research, product modification, mobile computer repair and widely used by laboratories, universities, etc. This DC Power Supply High Quality variable output current 0-30v and 0-5a. High reliability, low noise and circuit overload protection, excellent choice for business.
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Shipping Disclaimer: Due to the size and weight of this product, it may be shipped in multiple packages. Packages may be delivered separately by the carrier.
The power supply machine is equivalent to a transformer, which converts 110V voltage into 0-30V voltage or 0-5/10A stable current, can be used both as constant voltage and constant current dc power supply. The power supply machine is applicable to other equipment as long as the voltage and current used by the equipment are within the power rate range.
If there is no display after turnong on the power supply, it may be caused by several reasons.
1. The power strip doesn't not work.
Please use another device to test if the power strip works or not. Please use another power strip or plug it into the wall socket to try if it works.
2. The power cord is not connected well to the power strip.
We recommend unpluging the power cord and re-plug it into the power strip to see if it works. Please ensure that the power cord is well connected with both the machine and the power strip.
If you have confirmed that the power cord is well connected and the power strip works as normal, but there's still no display, we assume that it may be the following reasons.
A. The fuse on the back of the product may be broken.
B. The inner circuit is disconnected or broken.
C. The wire connecting the display panel and the main board is loose.
D. The input socket is loose.
To find out the real cause of the problem, please check the part circled in the picture below if the sockets are securely connected.
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