Ricoh M0A0

3.Troubleshooting
16
Code
Meaning
Suggested Cause/Action
 Replace the FCU.
 Defective remote terminal
 Check for line noise or other line problems.
 Try asking the other end to adjust their tx level.
 Try adjusting the rx cable equalizer setting and/or rx
error criteria.
Cross reference
 Rx cable equalizer - G3 Switch 07 (PSTN)
 Rx error criteria - Communication Switch 02, bits 0 and
1
0-29
Data block format failure in ECM reception
 Check for line noise or other line problems.
 Check the FCU - NCU connectors.
 Replace the NCU or FCU.
0-30
The other terminal did not reply to NSS(A)
in AI short protocol mode.
 Check the line connection.
 Try adjusting the tx level and/or cable equalizer
settings.
 The other terminal may not be compatible.
Cross reference
Dedicated tx parameters - Section 4
0-32
The other terminal sent a DCS, which
contained functions that the receiving
machine cannot handle.
 Check the protocol dump list.
 Ask the other party to contact the manufacturer.
0-33
The data reception (not ECM) is not
completed within 10 minutes.
 Check the line connection.
 The other terminal may have a defective modem/FCU.
0-52
Polarity changed during communication
 Check the line connection.
Retry communication.
0-55
FCU does not detect the SG3.
 FCU firmware or board defective.
 SG3 firmware or board defective.
0-56
The stored message data exceeds the
capacity of the mailbox in the SG3.
SG3 firmware or board defective.
0-70
The communication mode specified in
CM/JM was not available.
(V.8 calling and called terminal)
 The other terminal did not have a compatible
communication mode (e.g., the other terminal was a
V.34 data modem and not a fax modem.)
 A polling tx file was not ready at the other terminal
when polling rx was initiated from the calling terminal.
0-74
The calling terminal fell back to T.30 mode,
because it could not detect ANSam after
 The calling terminal could not detect ANSam due to
noise, etc.