Applicable Systems
YLS-2000
Symptoms
The fiber laser reports a Q-switch fault. The Q-switch modulator is not operating correctly.
Possible Causes
- Q-switch driver circuit failure
- Q-switch crystal degradation
- Q-switch timing or frequency error
Troubleshooting Steps
- Step 1: Check the Q-switch driver output
Driver delivers correct signal - Step 2: Inspect the Q-switch crystal
Crystal is intact and undamaged - Step 3: Verify the Q-switch timing and frequency
Parameters match the laser specification
How to Reset
To reset: Repair the Q-switch, then clear the alarm.
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Source: IPG Fiber Laser User Manual, IPG Photonics Corporation
Category: Laser
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