Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

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8 TROUBLESHOOTING
8.2 Alarm list
287
8
7A Parameter setting error
(safety observation function) 7A.1 Parameter verification error (safety observation
function) DB
  
7A.2 Parameter setting range error (safety observation
function) DB
  
7A.3 Parameter combination error (safety observation
function) DB   
7A.4 Functional safety unit combination error (safety
observation function) DB   
7B Encoder diagnosis error
(safety observation function) 7B.1 Encoder diagnosis error 1 (safety observation
function) DB
  
7B.2 Encoder diagnosis error 2 (safety observation
function) DB
  
7B.3 Encoder diagnosis error 3 (safety observation
function) DB
  
7B.4 Encoder diagnosis error 4 (safety observation
function) DB   
7C Functional safety unit
communication diagnosis
error (safety observation
function) 7C.1 Functional safety unit communication setting error
(safety observation function) SD

*7
 
7C.2 Functional safety unit communication data error
(safety observation function) SD

*7
 
7D Safety observation error 7D.1 Stop observation error DB

*3
 
7D.2 Speed observation error DB 
*7
 
82 Master-slave operation error
1 82.1 Master-slave operation error 1 EDB
  
84 Network module initialization
error 84.1 Network module undetected error DB
  
84.2 Network module initialization error 1 DB   
84.3 Network module initialization error 2 DB   
85 Network module error 85.1 Network module error 1 SD
  
85.2 Network module error 2 SD
  
85.3 Network module error 3 SD   
86 Network communication error 86.1 Network communication error 1 SD   
86.2 Network communication error 2 SD
  
86.3 Network communication error 3 SD
  
86.4 Network communication error 4 SD   
8A USB communication time-out
error/serial communication
time-out error/Modbus RTU
communication time-out error 8A.1 USB communication time-out error/serial
communication time-out error SD   
8A.2 Modbus RTU communication time-out error SD
  
8D CC-Link IE communication
error 8D.1 CC-Link IE communication error 1 SD
  
8D.2 CC-Link IE communication error 2 SD
  
8D.3 Master station setting error 1 DB   
8D.5 Master station setting error 2 DB   
8D.6 CC-Link IE communication error 3 SD
  
8D.7 CC-Link IE communication error 4 SD
  
8D.8 CC-Link IE communication error 5 SD   
8D.9 Synchronization error 1 SD   
8D.A Synchronization error 2 SD
  
8E USB communication error/
serial communication error/
Modbus RTU communication
error 8E.1 USB communication receive error/serial
communication receive error SD
  
8E.2 USB communication checksum error/serial
communication checksum error SD   
8E.3 USB communication character error/serial
communication character error SD   
No. Name Detail
No. Detail name Stop
method
*2*3
Alarm deactivation
Alarm
reset CPU
reset Cycling
the
power