Ricoh D146 Service Manual page 1828

Code
0-22 The signal from the other end
was interrupted for more than
the acceptable modem carrier
drop time (default: 200 ms)
0-23 Too many errors during
reception
0-29 Data block format failure in
ECM 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.
D163
Meaning Suggested Cause/Action

Check the line connection.

Replace the FCU.

Defective remote terminal.

Check for line noise or other line problems.

Try adjusting the acceptable modem
carrier drop time.
Cross reference
Acceptable modem carrier drop time - G3
Switch 0A, bits 0 and 1

Check the line connection.

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

Check for line noise or other line problems.

Check the FCU - NCU connectors.

Replace the NCU or FCU.

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

Check the protocol dump list.

Ask the other party to contact the
manufacturer.
52 SM