Ricoh B022, Service Manual, Page: 616 / 878

ERROR CODES FOR THE ISDN OPTION
B418 2-12 SM
2.2.6 B-CHANNEL NETWORK LAYER
Code Probable Cause Action
7-80 A packet having an abnormal GFI was received 6
7-81 A packet was received that had a logical channel number different
from the logical channel being used for the communication
6
7-82 A packet containing a format error was received 6
7-83 A packet containing an LI error was received 7
7-84 A CN packet was received that had a PID different from 02 7
7-85 Unsupported packet type received 7
7-86 Abnormal or unsupported facility received 7
7-87 P(s) sequence number error 6
7-88 P(r) sequence number error 6
7-89 A reset using S:RQ or R:RI occurred 6
7-90 A restart using S:RQ or R:SI occurred 6
7-91 Call set-up error; in reply to S:CR, R:CI was received to indicate
rejection of the call
7
7-92 T20 timeout; timeout while waiting for an SF packet 6
7-93 T21 timeout; timeout while waiting for a CC packet 6
7-94 T22 timeout; timeout while waiting for an RF packet 6
7-95 T23 timeout; timeout while waiting for a CF packet 6
7-96 T10 timeout; timeout while waiting for the first frame 6
2.2.7 TRANSPORT LAYER
Code Probable Cause Action
8-00 Invalid block received 8
8-01 TCC block received 8
8-02 TBR block received 8
8-05 TCR block; block format error 8
8-06 TCR block; block size parameter LI error 8
8-07 TCR block; extended addressing LI error 8
8-08 TCR block; block size length error 8
8-10 TCA block; block format error 8
8-11 TCA block; Tx origin reference data in TCR disagreed with the address
reference data in TCA
8
8-12 TCA block; octet 7 did not equal 0 8
8-13 TCA block; extended addressing LI error 8
8-14 TCA block; block size exceeded that set by TCR 8
8-15 TCA block; block size parameter LI error 8
8-20 TDT block; block format error 8
8-21 TDT block; octet 3 did not equal either 00 or 80(H) 8
8-22 TDT block; the end indicator was “Continue” even though there was no
field data
8
8-23 TDT block; an end block with no field data was received after an end
indicator of “End”
8
8-26 Timeout during state 0.2 8
8-27 Timeout during state 1.1 8
8-28 Timeout during state 0.3 8