Step 5. Check the power supply LED and fan.
•
Set the power switch to off ( O ) and disconnect the power cord from the
rear panel.
•
Remove the cover.
See ‘’To remove cover’’ on page 6-6.
•
Connect the power cord and set the power switch to on ( l ).
•
If the green power supply LED is not lit, go to page 4-11, ‘’To troubleshoot
the power supply.’’
•
Check that the fan is turning at a moderate speed for normal room
temperature.
The fan is very quiet. Check air flow before determining that the fan is not turning.
•
If the fan is not turning, go to page 4-11, ‘’To troubleshoot the power
supply.’’
Agilent 35670A Troubleshooting the Analyzer
To perform initial verification
4-7