Mitsubishi Electric MELSEC-Q Series - Page 532

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