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Theresa RiveraAug 5, 2025
How to troubleshoot a Leica TCS SP8 White Light Laser that does not emit laser radiation?
- JJoshua MillerAug 5, 2025
If the White Light Laser on your Leica Microscope isn't emitting radiation, confirm the following: * The White Light Laser module interlock is set to ON. * The White Light Laser module emission is on (the Emission LED should be red). * LAS X shows that the WLL is on, the shutter is raised, and laser power is set on WLL emission lines. If the issue persists: 1. Close the LAS X program. If the problem relates to the scanner, you won't hear clicking sounds during shutdown as the pre-shutdown WLL checks are performed. 2. Switch off the LSM using switch 3 (marked Scanner). 3. Switch the LSM back on. 4. Reopen the LAS X program. If resolved, you should hear clicking during startup as the WLL checks are performed. 5. Confirm laser emission.
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