Anritsu 682XXB - Manual (Page 201)

682XXB/683XXB MM 5-35
A11 FM PCB
Error 116 FM Loop Gain Check Failed
Description: The FM loop has failed or the loop gain is out of toler-
ance.
Step 1. Perform a preliminary calibration. (Refer to chapter 4 for the
calibration procedure.)
Step 2. Run self-test.
G If error 116 is not displayed, the problem is cleared.
G If error 116 is still displayed, go to step 3.
Step 3. Replace the A11 PCB and run self-test again.
G If error 116 is not displayed, the problem is cleared.
G If error 116 is displayed, contact your local ANRITSU serv-
ice center for assistance.
Table 5-15. Error Message 116
TROUBLESHOOTING
TROUBLESHOOTING TABLES