Anritsu VNA Master MS2026C - Option 5, Power Monitor Problems; Option 10, VNA Bias Tee Problems; Option 31, GPS Problems

Troubleshooting 8-3 Operating Problems
MS20xxC MM PN: 10580-00307 Rev. D 8-3
Option 5, Power Monitor Problems
1. Verify correct operation of RF detector.
2. Power Monitor PCB Assembly Option 5 PCB may have failed. Replace Option 5 PCB.
Option 10, VNA Bias Tee Problems
1. Verify that VNA Bias Tee Voltage and Current are within their respective expected range.
2. VNA PCB Assembly may have failed. Replace VNA PCB Assembly.
Option 31, GPS Problems
1. Verify that GPS Bias Tee is functional.
2. Swap GPS Antenna.
3. GPS Receiver Module may have failed. Replace GPS Receiver Module.