Panasonic UF-E1 Service Manual page 70

UF-E1
4.3.4. Information Code: 416
No
No
No
START
Is communication with reference
unit successful?
Yes
Change Function Parameter #21:
Reduce Rx Sensitivity Level
Does the problem still occur?
Yes
Change Function Parameter #29:
Increase Training Check Period
Does the problem still occur?
Yes
Change Function Parameter #24:
G3 Rx Equalization
Does the problem still occur?
END
No
1. Replace the SC PCB.
2. Replace the NCU PCB.
Does the problem still occur?
Yes
Have the telephone line checked.
Yes
Refer to Sect. 4.6.
66
No
END