Panasonic UF-890 - Page 123

123
4.3.4 Information Code: 416
START
END
Is communication with the
reference unit successful?
Change Function Parameter #011:
Reduce Rx Sensitivity Level
Yes
No
Yes
No
Change Function Parameter #023:
Increase Training Check Period
Does the problem still occur?
1. Replace the LCU PCB.
Refer to Sect. 4.6.
2. Replace the FCB PCB.
Does the problem still occur?
Change Function Parameter #013:
Increase G3 Rx Equalization
Does the problem still occur?
END
Does the problem still occur?
Yes
No
No
Yes
No
Yes
Check the telephone line condition.