No laser emission after pressing "test"
- Press the test button.
- Check if the LCD of the laser power supply is lit.
- If not, troubleshoot it following LCD not lit>>.
- If the LCD is lit,
- Press the test button.
- Go check if "water protection" and "laser signal" on the LCD read "on".
- If both read "on" and no laser is being fired, refer to “How to do a ceramic resistor test>>” to troubleshoot
- If both read "off", replace the ammeter with a new, identical one.
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