36 5977B Series MSD Troubleshooting and Maintenance Manual
2 General Troubleshooting
Instrument State
Through the front panel LED, the operator can see the current status of the
instrument through color codes. See Table 5 on page 36 for a description of the
MSD state.
Tab le 5 Front panel Instrument Status LED codes
Instrument status LED code
Ready Solid green
Acquiring data Blinking green (<2 sec)
Not ready Solid yellow
Not connected to DS Blinking yellow (<2 sec)
Ready and not connected to DS Solid yellow for 3 sec, quick double blink
Start up (prior to FW load) Blinking red (<2 sec)
Fault Solid red
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