Information Code - Panasonic UF-5500 Service Manual

11.3.6. Information Code: 434

START
Is communication with the
reference unit successful?
Does the trouble occur
regardless of the remote unit?
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
CROSS REFERENCE:
Service Mode 1 (Function Parameter Setting) (P.93)
No
Yes
Replace the MAIN PCB.
No
Can the transmitter in
Yes
question transmit to the
other units?
Change the parameter in Service Mode 1.
(Refer to Sect. Service Mode 1.)
for transmitter: #010: Increase Tx Level
for receiver : #011: Reduce Rx Sensitivity Level
Check the remote unit in
Yes
question.
(Remote unit is defective)
No
207
UF-5500 / 4500