Ocean Optics DH-2000-CAL - Manual (Page 24)

4: Troubleshooting
16 000-10000-030-02-1209
Halogen Lamp
If the Halogen lamp does not seem to functioning properly, check the following:
Issue Probable Cause Resolution
Deuterium lamp is warming up
Wait until the Deuterium lamp
has lit and try again
Halogen lamp does not work
after pressing On/Off switch
Halogen lamp is defective Replace the Halogen lamp
LED does not light after
switching on the Halogen lamp Internal power supply is
defective
Disconnect the unit from the
main power source and contact
your dealer for repair or
replacement