Keysight Technologies N5224A Service Manual page 82

Troubleshooting
Power Up Troubleshooting
Figure 4-2 A19 Midplane Board Power Supply LED Indicators and Measurement Points
The instrument contains potentially hazardous voltages. Refer to the
safety symbols provided on the instrument and in
Considerations" on page 1-3
removed. Make sure that the safety instructions are strictly followed.
Failure to do so can result in personal injury or loss of life.
Do not operate the analyzer with the outer cover removed for more than
30 minutes, as this could cause the analyzer to overheat which could
result in costly damage.
4-10
before operating the unit with the cover
Keysight N5224A/25A Service Guide
"General Safety