Watch the walkthrough
Applies toAll machinesTopicGeneral
Quick answer: Use a multimeter and a short jumper wire to verify the control signal is passing from the controller through the fan board to the RF tube. The jumper test begins at the 2:20 mark in the video below.
Applies to: All Thunder Laser machines with an RF tube and fan board. You'll need: A multimeter; a small piece of thin wire (4–6") stripped at both ends.
⚠ To run a dummy file and meter the controller signal wire, you must bypass the door interlock sensors. Do this with caution and follow all applicable safety procedures.
Video Walkthrough
The full testing procedure is demonstrated in the video below. The jumper test for signal through the fan board to the tube starts at approximately the 2:20 mark.
Still stuck? If you have followed the steps in the video and are still unable to isolate the issue, contact Thunder Laser USA support for further assistance.
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