Mitsubishi Electric MELSEC Q Series Programming Manual page 532

APPENDICES
Table 1.12 Servo error (2000 to 2999) list (MR-J4(W)- B) (Continued)
Servo amplifier
Error code
LED display
7B.1
7B.2
2943
7B.3
7B.4
7C.1
2944
7C.2
7D.1
2945
7D.2
8A.1
2948
8A.2
8E.1
8E.2
8E.3
2952
8E.4
8E.5
8E.6
8E.7
8E.8
9B.1
2955 9B.3
9B.4
2956 9C.1
Name
Encoder diagnosis error 1 (safety observation
function)
Encoder diagnosis error 2 (safety observation
Encoder diagnosis
function)
error (safety
Encoder diagnosis error 3 (safety observation
observation function)
function)
Encoder diagnosis error 4 (safety observation
function)
Functional safety unit communication cycle error
Functional safety unit
(safety observation function)
communication
diagnosis error (safety
Functional safety unit communication data error
observation function)
(safety observation function)
Safety observation Stop observation error
error Speed observation error
USB communication USB communication time-out error/serial
time-out error/serial communication time-out error
communication time-
out error/Modbus-
Modbus-RTU communication time-out error
RTU communication
time-out error
USB communication receive error/serial
communication receive error
USB communication checksum error/serial
communication checksum error
USB communication character error/serial
USB communication
communication character error
error/serial
USB communication command error/serial
communication
communication command error
error/Modbus-RTU
communication error
USB communication data number error/serial
communication data number error
Modbus-RTU communication receive error
Modbus-RTU communication message frame error
Modbus-RTU communication CRC error
Excess droop pulse 1 warning
Error excessive
Excess droop pulse 2 warning
warning
Error excessive warning during 0 torque limit
Converter error Converter unit error
APP - 41
Details name Remarks