Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

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8 TROUBLESHOOTING
8.2 Alarm list
70 Load-side encoder initial
communication error 1 70.7 Load-side encoder initial communication -
Transmission data error 3 DB
  
70.8 Load-side encoder initial communication -
Incompatible encoder
*6
DB
  
70.A Load-side encoder initial communication - Process
error 1 DB   
70.B Load-side encoder initial communication - Process
error 2 DB   
70.C Load-side encoder initial communication - Process
error 3 DB
  
70.D Load-side encoder initial communication - Process
error 4 DB
  
70.E Load-side encoder initial communication - Process
error 5 DB
  
70.F Load-side encoder initial communication - Process
error 6 DB   
71 Load-side encoder normal
communication error 1 71.1 Load-side encoder normal communication - Receive
data error 1 EDB
  
71.2 Load-side encoder normal communication - Receive
data error 2 EDB
  
71.3 Load-side encoder normal communication - Receive
data error 3 EDB
  
71.5 Load-side encoder normal communication -
Transmission data error 1 EDB   
71.6 Load-side encoder normal communication -
Transmission data error 2 EDB
  
71.7 Load-side encoder normal communication -
Transmission data error 3 EDB
  
71.9 Load-side encoder normal communication - Receive
data error 4 EDB   
71.A Load-side encoder normal communication - Receive
data error 5 EDB   
72 Load-side encoder normal
communication error 2 72.1 Load-side encoder data error 1 EDB
  
72.2 Load-side encoder data update error EDB
  
72.3 Load-side encoder data waveform error EDB
  
72.4 Load-side encoder non-signal error EDB   
72.5 Load-side encoder hardware error 1 EDB
  
72.6 Load-side encoder hardware error 2 EDB
  
72.9 Load-side encoder data error 2 EDB
  
74 Option card error 1 74.1 Option card error 1 DB   
74.2 Option card error 2 DB
  
74.3 Option card error 3 DB
  
74.4 Option card error 4 DB
  
74.5 Option card error 5 DB   
75 Option card error 2 75.3 Option card connection error EDB
  
75.4 Option card disconnected DB
  
79 Functional safety unit
diagnosis error 79.1 Functional safety unit power voltage error DB 
*7
 
79.2 Functional safety unit internal error DB   
79.3 Abnormal temperature of functional safety unit SD

*7
 
79.4 Servo amplifier error SD
  
79.5 Input device error SD
  
79.6 Output device error SD   
79.7 Mismatched input signal error SD
  
79.8 Position feedback fixing error DB
  
No. Name Detail
No. Detail name Stop
method
*2*3
Alarm deactivation
Alarm
reset CPU
reset Cycling
the
power