Mitsubishi Electric Melservo-J4 Instruction Manual page 15

Alarm Detail
No. Name No. Name
30 Regenerative 30.1 Regeneration
error heat error
30.2 Regeneration
signal error
30.3 Regeneration
feedback signal
error
31 Overspeed 31.1 Abnormal motor
speed
32 Overcurrent 32.1 Overcurrent
detected at
hardware
detection circuit
(during
operation)
32.2 Overcurrent
detected at
software
detection
function (during
operation)
32.3 Overcurrent
detected at
hardware
detection circuit
(during a stop)
32.4 Overcurrent
detected at
software
detection
function (during
a stop)
33 Overvoltage 33.1 Main circuit
voltage error
34 SSCNET 34.1 SSCNET
receive error 1 receive data
error
34.2 SSCNET
connector
connection error
34.3 SSCNET
communication
data error
34.4 Hardware error
signal detection
34.5 SSCNET
receive data
error (safety
observation
function)
34.6 SSCNET
communication
data error
(safety
observation
function)
35 Command 35.1 Command
frequency error frequency error
Stop Alarm deactivation
method
Alarm CPU Cycling
*2*3
reset reset the
power
*1 *1 *1
DB   
*1 *1 *1
  
DB
*1 *1 *1
DB   
  
SD
DB   
  
DB
  
DB
DB   
  
EDB
*10 *5
SD   
*10
  
SD
*10
SD   
*10
  
SD
*10
SD   
*10
  
SD
SD   
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
Process Stop Alarm code
ing system
ACD3 ACD2
*9
system
(Bit 3) (Bit 2)
*9
Common All axes 0 0
Common All axes
Common All axes
Each axis Each 0 1
axis
Each axis All axes 0 1
Each axis All axes
Each axis All axes
Each axis All axes
Common All axes 1 0
Common All axes  
 
Common All axes
Each axis Each  
axis
 
Common All axes
   
   
Each axis Each 1 1
axis
*8
ACD1 ACD0
1
(Bit 1) (Bit 0)
0 1
0 1
0 0
0 1
 
 
 
 
 
 
0 1
13
1.2 Alarm list