Ricoh B291 Service Manual page 750

ERROR CODES
Code Meaning
0-23 Too many errors during
reception
0-30 The other terminal did not
reply to NSS(A) in AI short
protocol mode
0-32 The other terminal sent a
DCS, which contained
functions that the receiving
machine cannot handle.
0-52 Polarity changed during
communication
0-55 FCE does not detect the
SG3-V34.
0-56 The stored message data
exceeds the capacity of the
mailbox in the SG3-V34.
0-70 The communication mode
specified in CM/JM was not
available
(V.8 calling and called
terminal)
0-74 The calling terminal fell back
to T.30 mode, because it
could not detect ANSam
after sending CI.
0-75 The called terminal fell back
to T.30 mode, because it
could not detect a CM in
response to ANSam
(ANSam timeout).
B779
CÓPIA NÃO CONTROLADA
• Check the line connection.
• Check the FCU - NCU connectors.
• Replace the NCU or 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
• Check the line connection.
• Check the FCU - NCU connectors.
• Try adjusting the tx level and/or cable equalizer
settings.
• The other terminal may not be compatible.
Cross reference
• Dedicated tx parameters - Section 4
• Check the protocol dump list.
• Ask the other party to contact the manufacturer.
• Check the line connection.
Retry communication.
• FCU firmware or board defective.
• SG3-V34 firmware or board defective.
• SG3-V34 firmware or board defective.
• 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.
• The calling terminal could not detect ANSam due
to noise, etc.
• ANSam was too short to detect.
• Check the line connection and condition.
• Try making a call to another V.8/V.34 fax.
• The terminal could not detect ANSam.
• Check the line connection and condition.
• Try receiving a call from another V.8/V.34 fax.
12
CÓPIA NÃO CONTROLADA
Suggested Cause/Action
SM