Ricoh D0C8, Service Manual

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Error Codes
SM 23 D0CK
Code Meaning Suggested Cause/Action
•
The remote machine may be defective or may
have disconnected.
Cross reference
•
Maximum interval between EOLs and between
ECM frames - G3 Bit Switch 0A, bit 4
0-22 The signal from the other end was
interrupted for more than the
acceptable modem carrier drop time
(default: 200 ms)
•
Check the line connection.
•
Replace the FCU (PCB2).
•
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
0-23 Too many errors during reception
•
Check the line connection.
•
Replace the FCU (PCB2).
•
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
0-30 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 (PCB2).