Issue description

The software prompts "Main control board disconnected", and the error code indicates "BOARDS_ELEMENT_NOT_FOUND.airpump_gd303". It means the air pump board is disconnected from the device.

Possible causes

1. The firmware and software are not the latest version.
2. The connection cables are loose or broken.
3. The motion control board is disconnected.
4. The air pump board is faulty.
5. The main control board is faulty.

Troubleshooting procedures

1. Restart the device.

2. Check the firmware and software

Update the firmware and software to the latest version. And then restart the device.

3. Check whether there are similar error codes

If there is also another "Main control board disconnected" error code (BOARDS.ELEMENT_NOT_FOUND.motion_gd470, as shown below), the air pump board disconnection issue described in this article will definitely occur at the same time.

Please click the link to resolve the issue of the motion control board disconnection first, and then proceed to the next step: Troubleshoot Main Control Board Disconnection (Error Code: motion_gd470)

4. Check the connection cables

(1) Power off the device and disconnect it from a power supply. Follow the video tutorial Assemble & Disassemble the Casing of xTool P3 to remove the left plate.

(2) Check the connection cables of the air pump and main control board (as shown).

• Check both ends of the connectors. If they are loose, unplug and plug them snugly.
• Check the connection cables are broken. If they are broken, replace them with the new ones.

5. Check the air pump board

If the air pump board is faulty, replace it with a new one.

6. Check the main control board

If the main control board is faulty, replace it with a new one.

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.
• Device information: Follow the steps to find the SN and export the work log.

• 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.

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