Troubleshooting of the Communications Error
SM 6-71 M085/M086
Trouble –
shooting
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 Error command received.
20 08 Invalid command received.
20 09
Command ignored once 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.
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