Service manual

Error Codes
M381 8 SM
Code Meaning Suggested Cause/Action
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 sending CI.
 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.
0-75
The called terminal fell
back to T.30 mode,
because it could not detect
a CM in response to
ANSam (ANSam timeout).
 The terminal could not detect ANSam.
 Check the line connection and condition.
 Try receiving a call from another V.8/V.34 fax.
0-76
The calling terminal fell
back to T.30 mode,
because it could not detect
a JM in response to CM
(CM timeout).
 The called terminal could not detect a CM due
to noise, etc.
 Check the line connection and condition.
 Try making a call to another V.8/V.34 fax.