Agilent Technologies 83400 Series, User Manual, Page: 18 / 82

1-7
Getting Started
Connecting a Source
Figure 1-3. Source connections
If you encounter a problem
If the
TEMP LED
comes on, or the
LASER ON LED
goes off, one or more of the fol-
lowing conditions may have occurred:
• The key switch is in the
OFF
position (O).
• The ambient temperature is out of the specified range (25
°
C ±5
°
C).
• The remote shutdown is open.
• The power supply voltage(s) are out of spec (–12.6 V ±5% and +15 V ±5%).
• There is an internal malfunction of the unit; contact Agilent Technologies for
assistance.
These products cannot be serviced. If service is required, return the instru-
ment to Agilent Technologies.