Antminer KA3 PSU Problems and Solutions


This guide will demonstrate four potential Antminer KA3 PSU issues along with their fixes.

What Power Supply Does Antminer KA3 Use?

Antminer Power Supply APW12 for KA3 Connectors made by Antminer. Check out the  Antminer KA3 specifications.

The recommended input voltage is 220 V, using anything beyond 380 V will harm the power supply.

Antminer KA3 PSU Problems and Solutions

4 Possible Problems and Solutions of Antminer KA3 PSU

Read to know the 4 possible problems and their solutions:

1. the Fan Does Not Spin at All and Has No Output

a.This might be because the power supply’s AC side isn’t properly powered.

Antminer KA3 PSU Problems and Solutions

b.Verify that the plug’s two ends are not loose and that the A/C wire is in good condition. Additionally, make sure the PSU is receiving power from the power grid and that the voltage is normal.

Antminer KA3 PSU Problems and Solutions

2. the Fan is Spinning Normally But Has No Output

a.This indicates that the PSU is in protection mode or that the voltage on the power grid is low.

Antminer KA3 PSU Problems and Solutions

b. To make sure the PSU can start, check with a multimeter that the current-voltage is greater than 205 V. Check if the power supply’s output has been short-circuited or overloaded. The power supply would go into protection mode as a result of this. Power off the PSU for 10 minutes then resume.

3. PSU Repeatedly Stops for a Few Seconds Then Resumes

This is due to the high-temperature protection mode that is active.

To see if the fan is spinning, check it out. Return the PSU for maintenance if the fan is not spinning.

Few things to check:

Verify whether the PSU’s cooling air duct is blocked or not. If obstructed, remove the obstruction.

Verify the PSU to see if any dirt has accumulated there. Remove any dirt you find. Also Read: How to Clean and Dust the Bitmain Antminer KA3?

Verify whether the PSU’s output or the surrounding temperature exceeds the information in the power limit curve. High temperatures or overload may be to blame for this.

4. the Power Output of the PSU is Normal, But the Fan is Not Spinning

High chance that fans are malfunctioning. 

Antminer KA3 PSU Problems and Solutions

Check whether the fan is blocked by debris or not. If blocked, remove the obstruction. Return the PSU for repair if the fan is unable to operate under any circumstances.

*NOTE: When the load current is abnormal and the PSU is still operating, the PSU enters a protection mode to prevent fire or other dangerous situations from happening.

Knowing the safety precautions when using a power supply can help keep it from getting damaged.

  • Do’s and don’ts of a PSU

Please don’t hesitate to get in touch with us if you have any questions.

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