List Of Error Codes - Mitsubishi MELSEC AJ65BT-R2 User Manual

10 TROUBLESHOOTING

10.1.2 List of error codes

Error code
Error name
(hexadecimal)
0000
0001 to 4FFF
B000 to BAFF
Automatic update
BB07
timeout error
Transmission
BB11
timeout error
Reception timeout
BB21
error
RS-232-C
BB23 reception overrun
error
RS-232-C framing
BB24
error
RS-232-C
BB25 reception parity
error
OS reception area
BB26
overflow error
The configuration of the error codes stored in the buffer memory, and a list of the error
codes is given in this section.
Refer to the respective module User's Manual for details on the error codes that occur
in the programmable controller CPU and master module.
(1) Error code configuration
b15
(2) Error code list
Cause of error
–
–
–
A timeout occurred when
using the buffer memory
automatic update function.
A transmission timeout
occurred.
A reception timeout
occurred.
An overrun error occurred
during RS-232-C reception.
A framing error occurred
during RS-232-C reception.
A parity error occurred
during RS-232-C reception.
The OS reception area
overflowed.
∼
Error code
Normal
Refer to programmable controller CPU User's Manual.
Refer to Master Module User's Manual.
•
Increase the transient timeout time designation (
105 ).
H
•
Correct the flow control state, flow control designation
( 100
R 2
designation.
•
Check the RS-232-C cable wiring.
•
Increase the transmission timeout time designation
( 11A
R 2
•
Correct the flow control state, flow control designation
( 100
R 2
designation.
•
Check the RS-232-C cable wiring.
•
Increase the reception timeout time designation (
112 ) value.
H
•
Decrease the reception end data size designation
( 111
R 2
•
Decrease the transmission speed.
•
Noise may be the cause.
•
Correct the specifications for the R2 and external
device transmission.
•
Noise may be the cause.
•
Correct the specifications for the R2 and external
device transmission.
•
Noise may be the cause.
•
Carry out flow control with the external device.
•
Correct the flow control designation (
external device flow control designation.
•
Check the RS-232-C wiring.
10 - 2
b0
Error remedy
) and external device flow control
H
) value.
H
) and external device flow control
H
) designated value.
H
MELSEC-A
R 2
R 2
100 ) and
R 2
H