8. Troubleshooting
Field Service Ver. 2.0 Dec. 2008
92
FK-507
T
roubleshooting
Code
Description
Cause
Remedy
Re Li Lo
74
• Received DIS or DTC 3
times while waiting for
response to TCF
• No response even after
sending TSI/DCS and
TCF 3 times
• Received FTT twice even
TCF has lowest speed
Failure in remote
machine
|
Try another remote machine.
Line failure
|
Try another line.
Failure in FAXU board
|
Replace FAXU board
Failure in MFBU board
|
Replace MFBU board
76
• Reverse polarity while
waiting for signal other
than initial identification
Failure in remote
machine
|
Check the remote system
and retry TX.
Line failure
|
If same error is experienced
several times, set the soft
switch to (MODE 082 Bit 3)
0.
77
• No response to post mes-
sage (T4 timeout)
• 5 minute timeout in RNR,
RR sequence (T5 timeout)
Failure in remote
machine
|
Try another remote machine.
No RTC detection in
remote machine (line
failure)
|
Try another line.
78
• Received DCN while wait-
ing for response to post
message
Interruption or failure
in remote machine
|
Check the status of the
remote machine and retry
TX.
79
• Received PIP for post
message (For response to
EOP or PPS-EOP, com-
munication is normal even
though error code is dis-
played)
Failure in remote
machine
|
Check the status of the
remote machine.
7A
• Received RTN for post
message (where RTN
reception is regarded as
communication failure)
• Retry out of resending
error
• PPR frame error
Failure in remote
machine
|
Check the status of the
remote machine.
Line failure
|
Check the line.
Failure in TX level
|
Check TX level.
7C
• Received CRP 3 times for
TCF
• Received CRP 3 times for
post message
• Received CRP 3 times for
DTC of polling reception
Failure in remote
machine
|
Try another remote machine.
Line failure
|
Try another line.
7D
• RX command error (with-
out cutting off carrier)
Failure in remote
machine
|
Check the status of the
remote machine.
7F
• No remote machine
response after changing
mode (T1 timeout)
Failure in remote
machine
|
Check the status of the
remote machine.
8F
• Received PIN for post
message
Failure in remote
machine
|
Check the status of the
remote machine.
Service Manual Y109
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