Agilent Technologies 1100 Series Reference Manual page 52

3 Troubleshooting and Test Functions
• When the status indicator is OFF (and power switch light is on), the
• A green status indicator, indicates the detector is performing an analysis
• A yellow indicator indicates a not-ready condition. The detector is in a
• An error condition is indicated when the status indicator is red. An error
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detector is in a prerun condition, and is ready to begin an analysis.
(run mode).
not-ready state when it is waiting for a specific condition to be reached or
completed (for example, immediately after changing a set point), or while a
self-test procedure is running.
condition indicates the detector has detected an internal problem which
affects correct operation of the detector. Usually, an error condition
requires attention (e.g. leak, defective internal components). An error
condition always interrupts the analysis.
1100 Series DAD and MWD Reference Manual