Cause1: There is something blocking the light path in the atomizer.
Corrective Action1: If there is something blocking the light path, remove it.
Cause2: The position of the deuterium lamp is not adjusted appropriately.
Corrective Action2: Adjust the position of the deuterium lamp.
Click here for the deuterium lamp replacement and adjustment.
Cause3: The lit time of the deuterium lamp has exceeded the cumulative life time of the lamp.
Corrective Action3: Replace the deuterium lamp.
Click here for the deuterium lamp replacement and adjustment.