Agilent Technologies 7673 - Page 152

Preventive Maintenance and Troubleshooting
Fault light symptoms
143
Probable causes
• The 18-V fuses have blown on the power supply board.
• The 18-V supply is not operable.
Probable cause
• It failed the ±13 V self-test.
Probable cause
• It failed the ±18 V self-test.
1
1
beep
2
2 beeps