Whatsminer P21E power supply disassembly and installation guide

Whatsminer P21E power supply is made of high-quality steel and has overvoltage, overcurrent, overtemperature, and other protection functions. These functions can automatically cut off the power when it encounters abnormal conditions to prevent damage to the miner hardware.

It is a high-efficiency and energy-saving miner PSU designed for Whatsminer series miners, such as the M31S, M21S, M20S, and M10S.

Product parameters:

Maximum power: 3300W

Input voltage: 200V-277V AC

Input frequency: 50/60HZ

Maximum current: 20A

Output port 1

Output voltage: 14.5V

Output current: 230A

Output port 2

Output voltage: 12V

Output current: 10A

Whatsminer P21E power supply disassembly steps:

1. First, turn off the power. Use a screwdriver to remove the outer shell of the control board so that the connection cable between the PSU and the control board can be unplugged.

2. Secondly, unplug the connection cables.

3. Finally, unscrew the fixing screws to remove the damaged power supply from the miner.

Whatsminer P21E power supply installation steps:

1. Replace the removed faulty PSU with the new Whatsminer P21E power supply.

2. Plug in the connection cables between the control board and the outlet fan and the P21E power supply respectively.

3. Then, while fixing the P21E PSU, reinstall the removed control board.

4. Fix the power supply and control board, and the installation is complete.

As the "heart" of the Whatsminer series of the miner, the Whatsminer P21E power supply and the miner are inseparable. It not only meets the high power required by the miner, but also ensures the stability of the miner operation and improves the efficiency of mining.