Panasonic UF-885 / UF-895 (serv.man2) Service Manual ▷ View online
106
4.3.2
Information Codes: 401, 402, 422
END
Is communication with the
reference unit successful?
reference unit successful?
Check the remote unit in question.
(Remote unit is defective)
(Remote unit is defective)
Replace the FCB PCB.
Yes
No
START
402, 422
Is the ID Number programmed
into your machine?
into your machine?
Is the Receiving unit set up for
Selective Receive?
Selective Receive?
Program the ID Number.
Yes
No
START
401
Is the Receiving unit set up for
Password Reception?
Password Reception?
Are you sending a Confidential
Mail?
Mail?
Check the Selective Receive
settings at the receiving unit.
settings at the receiving unit.
Yes
No
No
No
Program the Receive Password
to match the receiving unit.
(Fax Parameter No. 044)
to match the receiving unit.
(Fax Parameter No. 044)
Yes
Check with the receiving end,
the mailboxes may be full.
the mailboxes may be full.
Yes
Are you sending a document
by Relayed Transmission?
by Relayed Transmission?
No
Check the Relayed Transmission
settings at the Relay Station.
settings at the Relay Station.
Yes
END
107
4.3.3
Information Codes: 404, 405, 407
START
END
Is communication with reference
unit successful?
unit successful?
Change Function Parameter #010:
Reduce Tx Attenuation Level
Reduce Tx Attenuation Level
Yes
No
Yes
No
Change Function Parameter #017:
Reduce Tx Modem Speed
Reduce Tx Modem Speed
Does the problem still occur?
1. Replace the LCU/LCE PCB.
2. Replace the FCB PCB.
2. Replace the FCB PCB.
Does the problem still occur?
Change Function Parameter #025:
Communication Startup to 2nd
Communication Startup to 2nd
Does the problem still occur?
END
Does the problem still occur?
Check the telephone line condition.
Does the problem still occur?
(Recording paper may have run
Check the remote unit.
out or paper may have jammed.)
Refer to Sect. 4.6.
Yes
No
Yes
No
Yes
No
Yes
No
108
4.3.4
Information Code: 416
START
END
Is communication with the
reference unit successful?
reference unit successful?
Change Function Parameter #011:
Reduce Rx Sensitivity Level
Reduce Rx Sensitivity Level
Yes
No
Yes
No
Change Function Parameter #023:
Increase Training Check Period
Increase Training Check Period
Does the problem still occur?
1. Replace the LCU/LCE PCB.
Refer to Sect. 4.6.
2. Replace the FCB PCB.
Does the problem still occur?
Change Function Parameter #013:
Increase G3 Rx Equalization
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.
109
4.3.5
Information Codes: 408, 409, 417, 418, 490
START
END
Is communication with the
reference unit successful?
reference unit successful?
Is the unit transmitting or
receiving?
receiving?
Yes
Transmitting
Receiving
No
Yes
No
Change Function Parameter #18:
Reduce Rx Modem Speed
Does the problem still occur?
1. Replace the LCU/LCE PCB.
2. Replace the FCB PCB.
2. Replace the FCB PCB.
Does the problem still occur?
Change Function Parameter #13:
Increase G3 Rx Equalization
Does the problem still occur?
END
Does the problem still occur?
Yes
Yes
No
Change Function Parameter #071:
Increase Error Tolerance
Change Function Parameter #011:
Reduce Rx Sensitivity Level
Does the problem still occur?
No
No
Yes
Yes
No
Does the problem still occur?
Change Function Parameter #010:
Reduce Tx Attenuation Level
Change Function Parameter #017:
Reduce Tx Modem Speed
level of white noise and/or frequent
The telephone line may have a high
impulse noise. Ask the telephone
company to check the line.
company to check the line.
Does the problem still occur?
No
Yes
Yes
No
Check the telephone line condition.
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