1-4 Troubleshooting General Information
1-8 PN: 10580-00177 Rev. D MS2721B MM
Battery Pack Charging Problems
Refer to “Battery Pack Information” on page 4-3.
Lock Error Messages
1. This message normally appears for 2 to 3 seconds when an external 10 MHz Reference is applied. The
Spectrum Analyzer PCB has failed.
2. Replace the Main/Spectrum Analyzer assembly. Refer to “Removal of the Spectrum Analyzer PCB”
on page 4-6.
Spectrum Analyzer Problems
1. Inspect the Spectrum Analyzer RF In connector for damage.
2. Refer to the User Guide (Anritsu part number 10580-00175).
3. Update system software using Master Software Tools (via the Tools menu in Master Software Tools).
4. Spectrum Analyzer PCB has failed. Replace the Main/Spectrum Analyzer assembly. Refer to “Removal of
the Main PCB/LCD Assembly” on page 4-6.