Overview

This article provides troubleshooting steps for instances where the coaxial red light of the P2S laser engraver fails to display during optical path calibration. This issue is often caused by one of the following:

Calibration process errors: Incorrect operation during the calibration sequence in xTool Creative Space (XCS) software.
Hardware issues: A potential malfunction of the red light module or its related components.

💡 Definition: A coaxial red light in the context of laser engraving or cutting machines is a beam of red light aligned with (or near) the optical path of the primary laser beam. Its primary purpose is to assist in:
1. Calibration: Helping users visually confirm the laser’s alignment during the optical path calibration process;
2. Troubleshooting: Providing a visual cue for diagnosing issues with the laser system.

Prerequisite

A computer installed with XCS
Masking tape

Troubleshooting procedure

#1 For potential operation errors

Verify coaxial red light activation

Turn on the machine, and connect the USB cable between the machine and the computer, ensuring XCS is completely closed.
Place a piece of masking tape over the first optical path hole on the machine.

Open a web browser and enter the following URLs in sequence (make sure any VPN is OFF as it can impact command execution).
- Turn ON the coaxial red light: 201.234.3.1:8080/peripherals?type=CoaxialIrLight&action=on
- Turn OFF the coaxial red light: 201.234.3.1:8080/peripherals?type=CoaxialIrLight&action=off

After turning on the red light, press enter and observe if the red light illuminates on the masking tape. If the red light is working, this indicates an operation error during calibration, otherwise proceed to the next step.

#2 For potential coaxial red light module hardware issue

Inspect the red light module connections

Turn off and unplug the machine.
Carefully remove the rear upper cover of the machine referring to this video guide: https://support.xtool.com/article/1691.
Visually inspect the connecting wire of the red light module for any damage or breaks.
- If the wire is broken, and if comfortable and qualified, attempt to reconnect the wires. (Be aware, improper re-wiring may lead to further issues).

*Implement alternative calibration method (if needed):

If the red light module is malfunctioning, and if immediate use is necessary, you can revert to the old calibration method used for P2: https://support.xtool.com/article/196.

Note: This is a workaround, not a permanent solution.

Contact support for hardware replacement

If the above steps do not resolve the issue, and especially if the red light is critical for your process, contact the customer support team to request a replacement red light component (laser tube).

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Overview

Prerequisite

Troubleshooting procedure