Panasonic Panafax UF-885 Service Manual page 110

Panasonic UF-885 / 895
4.3.6 Information Code: 434
START
Is communication with the
reference unit successful?
Yes
Does the trouble occur
regardless of the remote unit?
Yes
The telephone line may have a high
level of white noise and/or
frequent impulse noise.
Ask the telephone company to
check the line.
END
110
No
Replace the FCB PCB.
No
Can the transmitter in question
transmit to the other units?
No
Change the parameter in Service Mode 1.
(Refer to Sect. 5.2.)
for transmitter : #010
for receiver : #011
Yes
Check the remote unit in question.
(Remote unit is defective)
: Increase Tx Level
: Reduce Rx Sensitivity Level