Issue description

After P2 is connected to a computer and XCS is running, you may see a pop-up error message: "Air pump current exception." If the machine is in processing at this point, it will automatically stop. When you encounter this problem, follow the steps below for troubleshooting.

Note: Before following the procedure below, please manually adjust the focus distance first.
Add 0.5 mm at a time to avoid the laser module accidentally rubbing against the material surface. For example, if the auto-measured result is 3.0 mm, set it manually to 3.5 mm.

Troubleshooting procedure

#1 Update XCS and firmware

• Check if the XCS and firmware versions are up to date.
• If not, update to the latest versions before using P2.
• If the issue persists, proceed to the next step.

#2 Check the air pump or the UI board for malfunctions

1. Power the P2 off. Remove the rear upper cover and rear plate according to this guide or the video tutorial below:

2. Connect P2 to a computer via USB and power it on.
3. Open your browser and select the link that corresponds to your operating system.

• For Windows: http://201.234.3.1:8080/cnc/cmd?cmd=M15S255&force=1
• For Mac: http://201.234.4.1:8080/cnc/cmd?cmd=M15S255&force=1

4. Input the link in the address bar and press "Enter" to start the air pump at maximum power.

• If the air pump (see the picture below) produces obvious sound or vibration, this rules out the malfunction of the air pump. Move to step #3.

• If, however, there's no sound or vibration, this rules in the malfunction of the UI board or the air pump.
  • If there's a multimeter at hand, use it to test the output voltage.
    • Remove the right upper cover.
    • Adjust the multimeter to the DC voltage mode as shown below and put the two probes at the UI board's output port for the air pump. (See the picture below.)
      • If the voltage is around 24V, this indicates the malfunction of the air pump. Replace the air pump.
      • If the voltage is below 20V, this suggests damage to the UI board. Replace the UI board.
  • If there's no multimeter at hand, check for any visible short-circuits or burnt components on the UI board and send pictures to customer support at support@xtool.com with a brief description of the issue for analysis.

#3 Check the airflow

Press the air tube connector and detach it from the laser module (highlighted in red 1 in the picture below) and feel the airflow at the air tube outlet with your hand (indicated as 2).

• If there's adequate airflow from the air tube outlet, this indicates it's working properly. Proceed to step #4.
• If, however, there's only poor airflow or barely any airflow from the air tube outlet, check for any blockages at the air pump air inlet (See the picture below).

1. Clean them if any are found.
2. Make sure there is no blockage at the air inlet, and power P2 off.
3. Remove the screws fixing the retainers of the air pump and take the air pump out (as shown in Pic 1).
4. Power on P2 and start the air pump at maximum power by clicking on the link that corresponds to your operating system to feel the airflow at the air pump outlet (as shown in Pic 2).

• For Windows: http://201.234.3.1:8080/cnc/cmd?cmd=M15S255&force=1
• For Mac: http://201.234.4.1:8080/cnc/cmd?cmd=M15S255&force=1
  • If the airflow is still weak by now, this indicates a malfunction of the air pump. Replace the air pump.
  • If the airflow is strong but weakened at the laser module's air tube outlet after connection, check for any kinked part from the air pump to the laser module. If there are any, smooth them out.

If the issue persists, proceed to the next step.

#4 Clear the air tube connectors and laser outlet

Clear the air tube connectors

1. Press down the connector of the air tube and detach it from the laser module (highlighted in red 1 in Pic 3).
2. Next, remove the two screws (indicated as 2 in Pic 3) with a 2.0mm hex screwdriver to uninstall two air tube connectors.

3. Clear the inside of the air tube connectors with a toothpick or similar tool before reinstalling them.

Uninstall the focus lens holder and air tube connector

1. Remove the two screws (indicated as 1 in the picture below) with a 2.5mm hex screwdriver.
2. Pull down the air tube connector (indicated as 2 in the picture below).
3. Take out the lens holder.

Clear the laser outlet and air tube connector

1. Turn the black retaining ring counterclockwise to remove it (indicated as 1 in the picture below).
2. Take out the focus lens.
3. Place them on a lint-free cloth.
4. Clear the inside of the laser outlet (indicated as 2 in the picture below) and the connector (indicated as 3) with a toothpick or similar tool.

Put all the parts back together

After cleaning, reinstall all components. Please note that the convex side of the focus lens should face upward.

Still experiencing issues?

Should the issue persist after completing the preceding steps, submit a ticket via the "Submit a Ticket" button in the "Help Ticket" section below. The standard response time for xTool Customer Service is one business day.

For a prompt resolution, please include the following details:

• Issue Description: A detailed explanation of the observed problem.
• Video Evidence: Attach a video demonstrating the issue, where applicable.
• Troubleshooting Performed: Any troubleshooting steps you have already attempted, along with their results.

This information is crucial for xTool technical support engineers to provide timely assistance.

Documentation feedback

Help improve this content by providing feedback. If this content did not meet your requirements, select "No" in the "Was this page helpful?" section below. Include specific details about what was unclear or missing in the pop-up suggestion box. Feedback submissions are reviewed by xTool technical writers to enhance future documentation.