Ricoh D649 Field Service Manual page 38

3. Troubleshooting
Code
6-04 G3 ECM - RTC not detected
G3 ECM - facsimile data
frame not received within 18 s
6-05
of CFR, but there was no line
fail
G3 ECM - coding/decoding
6-06
error
G3 ECM - PIP/PIN received in
6-08
reply to PPS.NULL
6-09 G3 ECM - ERR received
G3 ECM - error frames still
received at the other end after
6-10
all communication attempts at
2400 bps
V.21 flag detected during high
6-21
speed modem communication
The machine resets the
sequence because of an
6-22
abnormal handshake in the V.
34 control channel
V.21 signal not stopped within
6-99
6 s
36
Meaning
• Check the line connection.
• Check for a bad line or defective remote terminal.
• Replace the FCU.
• Check the line connection.
• Check for a bad line or defective remote terminal.
• Replace the FCU.
• Try adjusting the rx cable equalizer
Cross reference
• Rx cable equalizer - G3 Switch 07 (PSTN)
• Defective FCU.
• The other terminal may be defective.
• The other end pressed Stop during communication.
• The other terminal may be defective.
• Check for a noisy line.
• Adjust the tx levels of the communicating machines.
• See code 6-05.
• Check for line noise.
• Adjust the tx level (use NCU parameter 01 or the
• Check the line connection.
• Defective remote terminal.
• The other terminal may be defective or incompatible.
• Check for line noise.
• If the same error occurs frequently, replace the FCU.
• Defective remote terminal.
• Replace the FCU.
Suggested Cause/Action
dedicated tx parameter for that address).