5-34 682XXB/683XXB MM
Step 8. Run self-test.
If error 113or 115 is not displayed, the problem is cleared.
If either error 113or 115 is displayed, contact your local
ANRITSU service center for assistance.
Table5-13. ErrorMessages 113and 115 (2 of 2)
TROUBLESHOOTING
TROUBLESHOOTING TABLES
Down Converter
Error 114 Down Converter LO not Locked
Description: The local oscillator in the down converter assembly is
not phase-locked.
Step 1. Disconnect cable W112at A3J2.
Step 2. Using a spectrum analyzer,verify the presence of a +5 dBm
±6 dB, 500 MHz signal at A3J2.
If present, go to step 3.
If not present, replace the A3 PCB.
Step 3. Reconnect cable W112to A3J1, then disconnect cable W112
at J2 of the down converter assembly.
Step 4. Using a spectrum analyzer,verify the presence of a +5 dBm
±6 dB, 500 MHz signal at the end of cable W112.
If present, replace the down converter assembly.
If not present, replace cable W112.
Table5-14. ErrorMessage 114