Brother FAX4750 Service Manual page 182

Code 3
C2
C3
C4
C5
C7
D0
D1
D2
D3
D4
D5
D6
D8
DA
DB
E2
E3
E4
FE
FF
71
(13) Maintenance mode
Code 1
E0
E0
E0
S-sequence finished before prediction in phase 3.
Timeout waiting for S-Sbar in phase 3.
Timeout waiting for S-Sbar in phase 3.
Timeout waiting for S in phase 3.
Training after TRN failure.
Problem with S-sequence in phase 4.
FED turned off in S-sequence in phase 4.
S-sequence finished before prediction in phase 4.
Timeout waiting for S-Sbar in phase 4.
Timeout waiting for S-Sbar in phase 4.
Timeout waiting for S in phase 4.
Timeout waiting for MP.
Timeout waiting for E.
Timed out in re-negotiation of the transmitter rate.
Timed out in the transmitter MPh.
Retraining detected in phase 2.
Retraining detected in phase 3.
Retraining detected in phase 4.
DTR turned off during retraining.
Tx set-abort flag.
Did not write onto the first mapping frame.
Code 2
01 Failed to detect 1300 Hz signal in burn-in operation.
02 Failed to detect PB signals in burn-in operation.
03 Failed to detect commands from the RS-232C in burn-in
operation.
Causes
Causes
VI - 14