Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 289

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