Brother MFC-4820C, Service Manual

Page: 179 / 268

8-8
Definition of Error Codes on the Communications List
(1) Calling
Code 1 Code 2 Causes
10 08 Telephone number of the remote station deleted before calling.
11 01 No dial tone detected before start of dialing.
11 02 Busy tone detected before dialing.
11 03 2nd dial tone not detected.
11 05 No loop current detected.*
11 06 Busy tone detected after dialing or called.
11 07 No response from the remote station in sending.
11 10 After dialing, continuous tone detected, meaning that the
telephone number was invalid.
17 07 No response from the calling station in receiving.
*Available in German versions only.
(2) Command reception
Code 1 Code 2 Causes
20 01 Unable to detect a flag field.
20 02 Carrier was OFF for 200 ms or longer.
20 03 Abort detected ("1" in succession for 7 bits or more).
20 04 Overrun detected.
20 05 A frame for 3 seconds or more received.
20 06 CRC error in answerback.
20 07 Undefined command received in answerback.
20 08 Invalid command received.
20 09 Command ignored for document setting or for dumping-out at
turn-around transmission.
20 0A T5 time-out error
20 0B CRP received.
20 0C
EOR and NULL received.