Ocean Optics DH-2000 - Manual (Page 21)

000-10000-025-02-1209 13
Chapter 4
Troubleshooting
Deuterium Lamp
If the power supply or Deuterium lamp does not seem to functioning properly, check the following:
Issue Probable Cause Resolution
Line power not present Check line voltage
Power switches on, but no
LEDs light.
Fuse defective Check fuse
Deuterium lamp too hot
Allow the Deuterium lamp to cool
down (20 minutes).
Press On/Off switch again to
reset the Deuterium Tungsten-
Halogen lamp, then press again
to restart.
Deuterium lamp life exhausted Replace Deuterium lamp
Deuterium lamp does not light.
The two-color LED under the
Deuterium On/Off switch lights
up red, indicating an error.
Deuterium lamp’s internal
connection plug is not closed
correctly.
Open unit (see the Maintenance )
and close connector plug.
Deuterium lamp turns off
during operation.
Deuterium lamp too hot
Turn off the unit.
Allow the unit to cool down for at
least 20 minutes.
Once the unit has cooled down,
turn the Deuterium lamp back on.